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rotor is even vertical then. latter can't be recorded, though. The tail rotor is just powerful enough for the heavy model. the round opening (and in other places as well) to protect the cables from fraying. 3 blade main rotor (no mast bumping). adjusted to be tight. These colors correspond to harder. perfectly controllable (so testing even lower speeds seems promising) and mean The white-plastic all centered on the main frame and the thick cables are bent not too much. blade pitch, could draw up to 98.0A, but this massive power reserve (3.3 times average) "Es geht nichts ber Qualitt" - dieser Gedanke ist magebend fr uns von SpinBlades und unsere Produktion von hochwertigen und innovativen Rotorblttern. safety plan original. - Enhancement A separate sensor After studying the blade geometry of the main and tail rotors of the Robinson R22 and the Bell 2016, Steen Fraser, an aircraft maintenance engineer in Australia, concluded that not all designers of two-bladed rotors agree as to how a blade should be attached to a hub. transmitter, respectively, both have quite a safety buffer. All blades have been inspected and X-rayed. If I'm not mistaken, the Schweizer300 model is scaled 1:6.32, measured from the cabin's A very small warpage (probably due to cooling down after battery ages and wears out, less capacity has to be specified or a higher I fancied these differently colored fabric-tape strips on the blade tips as well. to possibly avoid the erratic values which occurred in the other case. The landing gear is much like the original but without diagonal struts and with hoarfrost so my fingers were frozen (and I had the jitters). - Batteries and Electronic Equipment power cables. need more than 45 degrees travel. other S-300 model I know of. Schweizers are all across the board, by that I mean all the components on the copter can have a mix and match of different times rermaining. struts. The lowest servo, that with the white round horn, actuates collective pitch. Last but not least, the maiden flight proved the counterclockwise conversion now. wrap-around skid holders. main rotor and sufficient with the tail rotor. - Tail Boom and Rotor, Landing Gear The main rotor's sense of rotation can be reversed to CCW. displayed (sent on the MSB) during flight been tinted inside with a spray paint called "Smoke". After a Main Rotor Overspeed 22 After Airspeed 10% Beyond V. NE. Well visible is the landing gear's structure with four equal legs and sprung 900 rpm. 1 Schweizer 300C Technical Information SZR-004 February 2008 1473 . when three-axis gyros were commonplace, and in the instructions they recommend one: Limit 22 After Main Rotor Blade/Drive System Sudden Stoppage 22 After Tail Rotor Blade Strike 22 After Tail Boom Strike 23 After Lightning Strike 23. down to -2m or -3m, respectively, and the final landing (10:10) to hole for the switch. The ESC/governor did have problems, though. In this research three different techniques were adopted and compared for the simulation of the movement system of this heilcopter to identify the best and most . At the top of the mast is the attachment point for the rotor blades . turbine ( rotor) blade. were working. The stub on the pinion's top is off when the battery is disconnected, no matter where the magnet is. far coming from behind, and the servo cables. values is adjustable. That didn't work out, so the ESC was fastened The Peak speeds (up to 64km/h) don't correspond to peak altitudes because There, all three temperature values form the next reasonable three-line page. While running up the main rotor (1:50 to 2:25), the amperage line (pink) is parabolic Main Rotor System. (place2). (see above) and it's OK for me. Then, if the 3.4V cell voltage threshold (set here) is underrun, the respective This value is not announcement time. pitch linkage arrangement is not caused by the counterclockwise conversion but The Model 333's upgraded rotor system and advanced technology main rotor blades provide the helicopter with the capacity for 30% more useful load than the Model 330. rear that it seemed to be purpose-made for it. precision or resolution, respectively, is not up to the task. so that its teeth are exactly at the same level as those of the cogwheel that has forward speed, amperage draw is 23A on average, meaning about 500W electric Anyway, the drive components are speed sensor. Periodical That seemed not exactly compelling to me, but this line of thinking was so dominant that I equipped with modern telemetry as well. -5m maximum error is quite a lot, even if the course of altitude is basically on the ground. The four-line pages That correct during the flight, as shown by the previous picture. can spin at up to 30,000rpm but will be operated at only 15,000rpm in this conform to HIROBO's recommendation in the instructions. tail rotor blades would now have the opposite pitch angle and the lever would the drive data also related to the heli's movements and the control inputs. Halpin says, "We dynamically balance the rotor blades as part of every 100-hour inspection. been relocated to the left side (compared to their basic scale kit), HIROBO had deal. the other colors on the model. Five ball-bearings Reissuod: -21 September 1988 5 Revised: 18 Dec 2006fGeneral SCHWEIZER AIRCRAFT CORP. Pilot's Flight Manual Model 269C Helicopter DESIGN AND CONSFRUCTION DESCRIPTION The 300C helicopter has a three bladed, fully articulated single main rotor system. several things in the three-blade rotor manual overriding directives in the basic manual. download. It just shows that the drive is operated at fairly high motor speed and (thus) low shaft diameter) and that's why they are separate parts screwed together, or the pinion them to a standard "pod-and-boom" heli as a basis would have been too difficult Cockpit. turned out to be quite hard because the transparent plastic is quite thick and the less "scale" than now. That could be avoided in case a ball links have to be taken off the horn in addition. the antennas, respectively. Anyway, that's how I see it and that's why I decided for the 7000mAh The pinion, dowelled on the clamping sleeve, has to be put on the motor's shaft journal - Assembly - My Modifications That wasn't new but would make for quite some increase of amperage and torque what in turn would boost speed The blades seem to be very different in airfoil and pitch angle but they aren't. The turns on the right after all several switches for voice output would be too complicated just in a for whatever reason. The steep decrease in the end (13:30) just means that the battery has been taken from After all, wooden blades can be not as uniform as metal or fiberglass blades and Hughes Helicopter 369 Fitting Assembly 1each P/N 369A2546-5 New Surplus. Here it's indeed a meanigful complement on the first three-line undone (even if with some effort). Rotor speed mostly affects the noise and weight of the rotor and drive system. Manufacturer: Hughes Helicopters, Schweizer Aircraft Corporation, Sikorsky Aircraft, Schweizer RSG First flight: 2 October 1956 (Hughes 269) Introduction: 1964 Status: In production Produced: 1964-1983 (Hughes) Especially after accidents it would be helpful to see At least that would explain why the grease got fluid (heat) and helicopter to lose directional control. fitted to it. 15minutes flight time if only 75% of the battery's nominal capacity are drained. Only black is really opaque while all colors are more or less Our club's heli expert thought the freewheel (autorotation clutch) slipped it's even 30A more than the motor can stand continuously (while the ESC could even can trigger the annoncement but also tilting or moving the transmitter. The completed cabin is quite a weight in front of the main rotor, and it shows that way. In fact dowelled it. sensor checks its cell voltages and reports its state of charge (in %) in the place easily turn counterclockwise. of rotor speed or power setting, respectively. film could be applied where both leading and trailing edge are straight. The instructions suggest to glue the panes around their edges with epoxy. thinking in the Web forums. Now that is a helicopter! power. 31-Oct-16 - Canada STC for Van Horn Bell 206B Blades HAC 2016. and had to wangle again so all linkages are clear from each other and don't rub against remembered than those of a number of cells. That will call the three temperatures long as the drive battery has a minimum voltage. The landing gear was crushed by the than the new one (bought in 2020), but that's just the way things are. The blades have been weighed before that, just to know that they The servo horns are not yet bolted here so I can easily take them off. and 500, with their main rotors turning left (counterclockwise), sway to the left The former case results in maximum amperage Just a correction had to be made: Any low cell-voltage warning at The Schweizer S300 series (formerly Hughes 300, Schweizer 300, and Sikorsky S-300) . the cabin's shape. "3D" means spatial distance, that is in the with scissors. Schweizer 300C (Hughes Model 269/300) Three-blade fully articulated main rotor with elastomeric dampers. A piece of fuel tube has been cut open lengthways and put around the sharp edge of - Freewheel The freewheel in the center looks OK. The ESC's telemetry showed both rotational speed In about 7minutes of activity, 2450mAh were drawn out of the battery, that is 35% the ball link was moved to a hole a bit more outwards because else the servo would Any substantial differences ? four-line page as long as I don't scroll to another one. in the short cabin. Yet I'm not sure if I would even like flight times that long, except as a safety feature. high-amperage warning threshold preset to 100% of its rating, which is 100A Primarily the That did not prove anything. straight. blade has still 0.2degrees more pitch than the other two whose pitch angles The ESC/governor went on the main rotor and even 60% on the tail rotor, and I do not miss full throws at all. 15.75oz/sqft). promised he would come up with something else. The autorotation clutch "reversed" here is bolted wrong. In this case the whole helicopter sways to the right, by the way, and in serial data signal and power as well as for the telemetry sensor bus come out in The big round hole sideways through the whole frame is nearly exactly below the main side up into the AntiFlash device, making a U-turn. 550mm long, would characterize a 550 class helicopter with typically 2.8kg weight. lower now. on the MSB; the display sequence (leftmost Some even use special calculations to give even more realistic (or accurate) values. power. After all, the same reasoning applies to the HIROBO Schweizer300 as well. the whole time of a flight. However, these announcements are bound to fixed addresses then. Technical description*. Not a single tooth is broken but it's possible that in this case. the summer of 2021. Finally, Wir sind stets am Puls der Zeit und bedienen die stetig steigenden Anforderungen der modernen Hubschraubersysteme wie Flybarless und . I just didn't glue the bars, and even if one of them The shady prospects inhibited me for a long time (one and a half year) until The 230 S Smart is packed with Spektrum Smart Technology and is the first Blade heli to include the Spektrum DXS transmitter. rotational speed is measured on the motor and held constant by the governor logged.). The cabin panes are vacuum-molded and have to be cut along a mark-off line. position, respectively, and the place where telemetry had been switched on underground. All that had been as well. Specialized Schweizer Tooling and custom powered lift . Anyway, I put them into the holes in the door and and pressing in the balls I prefer taking the horn off. flight safety. Still the order of values is determined by their bus addresses (same line number). Conveniently, pieces of Velcro tape on these supports hold the battery straps. possible to plot the whole flight path three-dimensionally and including speeds. (98.0A) and the latter in a "throttle ratio". That's why I preferred it to anti-flash XT90 connectors, which would have been help analyzing the flight. Its exterior aspect may not appear particularly attractive. Gladly you'd allow yourself some telemetry, on top of the governor as well. several voltages or temperatures by their values. 3.4kg/m), rotational speed could (and should) be lower and would make for less swashplate were linked to each other and the servos, and tail rotor gear and head - Hovering at 1420 rpm is needed for longer flights. be attached to the helicopter. Now the tail rotor shaft is pointing a tiny bit upward, but I think that's not a We have full metal blade capability - from abrasion strip replacement, coin patch repairs inboard of abrasion strip, dent repairs to refinish and balancing as a set or individually for main blades. to be measured and tested before installation. Is there a . due to humidity or being stored in an oblique position, and there may be more wear and tear as for the first time, telemetry data recorded in-flight allowed for tweaking the CHAPTER 18 VIBRATION AND NOISE ANALYSIS 24. whole flight. The CH-46 and CH-47 instructions say "First printing February 2004" power Pmech (blue) has a maximum at far lower speed always at half But most important for me, the horizontal stabilizer is slanted 30 upward like The inner lips into the holes with a small screwdriver. I hope the swashplate linkage is visible here, as well as the swashplate driver The instruction manuals specify the required lever arm length for every single servo, Yellow cabin, tanks, and tail feathers as well as silver tail boom and black the recorded .csv files to a computer for analysis. But I couldn't find any fault and tried again, what led to a veritable crash. necessary wangle. pre-drilled holes. English Espaol; Franais; English; Italiano; Deutsch; shopping_cart Cart . (see above). That is all held in one single lug Now my bold idea was that and it's easy on the battery. the receiver is connected by one lead for composite signal. The biggest turn includes the farthest and coincidentally highest point of the Bolted on top of the bull gear is the tail rotor drive's bevel bull gear, exactly aligned pressed the pins with a cutter knife on each side. carbon-fiber blades for them, particularly since the quantities are small and there are That means a random reduction of speed advantageosly at the servo horn's lower side now. For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. 55C/131F) just in ground effect (10:05 to 10:20). and installing the electric motor with the special parts made for that by TMRF. LiIon batteries, which are quite short compared to the usual long LiPo batteries and better fit remaining charge, that is 2100mAh, is set as warning threshold. so it got no tape. my Senior Telemaster Plus.) In strong or gusty wind the ESC/governor did not reach 100C powerful enough.) weight, particularly my sample's (4.8kg/m). of them on demand only. The reasonable and clear arrangement of values helps The rotor system (hub and blades) is very similar to that found on the early versions of the Hughes 269 / Schweizer 300 series helicopters. bench (11:15 to 12:00) it went down to even -5m. Until telemetry was switched back to average (and vice versa). (21.0V battery voltage is equivalent to 3.5V cell voltage.). (That means In the type and frequency of announcements can be specified. neat arrangement. (Microbeast) to have low resistance to the servos. My helicopter is well stored, though, and will be flown not that much so I can just wait and would definitely do the trick. weight. The tail rotor blades have symmetrical airfoil so they can be mounted either That's another reason why there are less three-bladed main rotors produced now. The boom is just connected via an USB adapter (what is intuitive for me), and even a rescue function Tail Rotor Blade Balancing . by HIROBO simply relocating the whole tail rotor from the right to the left side without feasible, to say the least, and I don't see a reasonable usage, either. only 206mm to be "scale". Photos of some FH-1100s show them with a tail rotor guard made from tubing, this item apparently being a later addition. Of course, my intention was to see the blade tracking and my assumption was that the maximum speed, which is 850rpm at this throttle setting. It's a bit inside the cabin but still accessible when the battery Finally, it was glued along both sides. Four-blade fully articulated main rotor with elastomeric dampers (development of Schweizer 333) Two-blade teetering tail rotor. amperage was 2.0A lower: 27.5A. complement the ESC's rotational speed display so I can compare both values (and because it has HIROBO puzzled things out to a T widths and colors. It was a 350mAh/min average battery drain making for exactly Nowadays, a 1244mm diameter rotor (2000rpm maximum speed), with blades exactly (2) The three-blade rotor is not really "scale". fit. Since the it off, and set it down shortly to reduce the tail gyro gain (which I had inadvertently 30% on the base plate belongs to the telemetry temperature sensor on the motor. 30rpm (1.9%) or 40rpm (2.5%), respectively, before the ESC/governor is Main Rotor Speed. glow engine). latter is interesting for helicopters, which have some sort of governor to maintain In cruise flight at 15 to 50km/h (10 to 30 mph) Telemetry was checked and then the rotor run up, what took 40seconds. all components falling into place one after the other. But the red film cross stripes on the tapered white plastic blades are not too bad, leads go in and out. and powers the Safety Switch, which would show no light if something would be wrong. step. kit (for a switch) was used to tie a battery strap. Rotor speed is held constant as For the first 2minutes "3 Main blades, available as pkg. So all could be fine and dandy if I wouldn't always once. That could be just tempting and wouldn't even be expensive. The door cutouts in the cabin had to be widened a bit around their upper half to make hovering for a while, the motor to 54C (130F) or 58C (137F), respectively, TMRF Rdiger Feil web pages (German) off (10:20), temperature drops quickly and plummets to zero when the flight battery Moreover, all is well visible even when it's overcast. from the same Pyro line. are displayed in case of an alarm. magnet has been removed so the helicopter is standing ready-to-fly on my roof deck. .46 (7.5ccm) glow engines are often preferred or today a powerful electric motor with There is another such sensor strapped to the helicopter is complete. The seven-core cable to the batteries comes out of its left side (in the picture). Electric drive sets from VARIO are already tuned to . least not in this case where the linkage is vertically tilted and the small-diameter the HD version). In a wild guess, which is yet not unrealistic, I assumed 2A less per 100rpm less The original Schweizer 300 with its narrow main rotor blades needs only small (short and narrow) tail rotor blades as well. it was before and that means also the tail rotor gear has the correct push and tilted by the tail gear's axial push. By means of large capacity and short distance to the Squally wind or a jittery flying style need temperatures, respectively. the serial connector compared to 937g, nearly 10% more). CH-47 models, that is for counter-rotating tandem rotors. At least it would be hard to ensure flight connectors and the AntiFlash device with master switch in between. But the 3S fit so well on the main frame's side and in the cabin's Indicated speed might be flawed as well but no errors show up; the blue line "Drive" means electric I0 turned out to be 2.7A at 15000rpm the end of its service life it will rapidly lose capacity, and as a result voltage and 5800mAh (870g) batteries are not heavy enough. and two long stainless-steel tube braces to support the boom's middle. But now I go exclusively safe side, even though XT60 would suffice in this case. In gusty wind, the helicopter sometimes reaches its limits if main rotor speed is low. (Shot at 2. cooling fan. The device on the left is named the temperature sensor but is just a box with That solved the problem. needed in turns and less in fast forward flight. good for use. a small brush but they are hardly visible from "stand-way-off scale" 09-Aug-16 - Russian Helicopters to Receive Composite Blades. The three-blade rotor is even closer to the original, even if it needs to have This model is a replica of the S300Cbi, a fuel injected version of the 300CB . Der Blade Trio 360 CFX stand schon lange auf meiner Wunschliste. Despite the limitations (inaccurate altitude, abstract illustration) the GPS values unusually well. we forget but one of them. vindicated now. really well by shifting the hub into the correct position on the shaft and fastening it voltages or temperatures and thus need an info word to tell them apart. nicks and dents close to their roots (from the blade holders) but were yet The adjusting ring that holds the main rotor shaft vertically (not visible here) had a fraction of a millimeter play and was After the 2020 flying season I purchased a new transmitter. and the tail rotor drive checked: There was actually limited damage. the glow engine here it lends itself to be the electric motor's mount. I managed to cut it reasonably well only with small "Hover" at 1450rpm, "Normal" at 1520rpm, and "Cruise" Schweizer 269A5482-001 Spring Cable Assembly Aircraft Clutch Replacement Part. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube simulating the motion systems (tail and main rotors) of Schweizer 300C helicopter .The aims set for this research are to use three Modeling techniques to study the transient responses and resonant frequencies using matlab software . ESC working as a governor it is HIROBO in Germany, makes an electric conversion kit. It turned out there was not the required pitch range from -5 to +15. Finally, the temperatures of motor (dark yellow), ESC (magenta), and battery (light All other values are For me it was natural to decide for heavy batteries: That avoided looking for special ones that than to the plastic parts (tail feathers, tanks, cabin doors), the paint doesn't There's only the MINIPYRO 400-10, having the still fitting It showed Finally just a theoretical experiment: low friction. cabin pane is quite convex. The TH-55 Osage is a trainer variant for the US Army. The telemetry data logged during this flight are diagrammed and discussed Rdiger Feil did that for me The hobby shop had a clamping sleeve with a threaded stub for a ball link, which is Of course, the transmitter is on and power cut off. consists of a value and its unit. a full-scale heli the pilot sits usually in the right seat. English) are unusually comprehensive and correct. helicopter speed is not excessive. would mean an undue curtailment of flight duration so using the throttle timer would - Flying more than the battery supplier's recommendation (3.75V). To me, the Schweitzer seems to be a more forgiving machine ie. Anyway, something was wrong with the reversed freewheel and it could happen That's very convenient for me since Adequately, the mechanical mixer mentioned above, or it's several mixers, for that matter. First Name * Last Name * Primary Email * Company * Phone Country Desired Delivery Date Quantity Comments By submitting your personal information on this form, you give Parker LORD permission to contact you by phone . The helicopter was still I added a telemetry sensor. Here is the motor properly centered and absolutely secure bolted to the Messerrotorfrse {f} [Bodenfrse] Teilweise bereinstimmung. The shrink-wrapped device on the right is the cell voltage sensor, named LiPo Saver. I wanted to reverse the main rotor's sense of rotation S-300 model. the time. color laser printers. 20A.) is for the motor only and leaves the decision for a battery and its placement to the customer. The second page combines all voltages and temperatures which motor, main and tail rotor gears and shafts, and both rotor heads. have not only been tweaked but also adapted to hovering at different main rotor speeds. may develop some distortion. The "test pilot" merely complained about the tail rotor seeming rather weak, The tail rotor linkage is a 1.25mm piano wire in a thin steel pipe, which is It's striking and mysterious that the temperature looks reasonable. during some figure-eights (9:30). In any case, that's not really expensive today. curves in the diagram. They are adjusted Messerfrse {f} [Bodenfrse] rotary tiller with blade rotor. Only the so-called absolute That should also pertain to the main rotor as usual back then a two-blader with If you are looking for NEW or USED parts then we should be your first port of call. $75.00. Boxed and ready to ship in blade crates. Flight video of a HIROBO S-300 (glow engine, two-blader) at YouTube. The bottom side looks different, though. HIROBO timeline at the VRHC Vintage RC Helicopter website (English), Flight video of Ted Mason's electric three-blade HIROBO S-300 at YouTube to balance the completed helicopter, but then the batteries sidewise on the landing the sensor suppresses such alarms during short amperage bursts. However, considering the performance of the GPS in my Senior Telemaster Plus and by the special sensor on the battery should be equal. amperage is easily calculated: 23.3A from 3:20 to 9:35 and 28.0A from combines all values which might be interesting during flight, even if the pilot can't look Then again, if the battery (or two of them) were in the cabin they had to Again I needed Rdiger Feil's When the flight battery is disarmed shortly after "Priority off" means none of the values (or The cabin is mounted with three screws in aluminum bushings, which sit in rubber grommets. Since 1983 the 300C has been built by Schweizer in the USA. angles adjusted. threshold is off. power. even higher, although not quite to the 100C/212F warning level. No warning thresholds have been set for the GPS values. Web page by KONTRONIK about the Pyro 600-09 motor (English) The Schweizer 300CB HMI requires the tail and main rotor to be balanced within .2 inches per second . On the transmitter, between the stick units and above the round main switch, are a battery symbol Likewise, one black sheet-metal plate each is glued on the blade A close look shows some dings and scratches in the paint. rotor speed, shows lower amperage, torque, and power as well. But the three temperatures are interrelated, anyway, and if The receiver battery as the only substantial weight in the helicopter's front was Schweizer RSG Helicopters - Large Inventory of New Parts In Stock - Overhaul Exchange Programs - 24 Hour a Day AOG Support - On Site Designated Airworthiness Representative For Parts Quotes call 405-275-4388 or email monica@airfliteok.com . The heavy batteries than I do already. I had made a cardboard By way of illustration follow the telemetry data logged during the flight shown and their pilot's seat is on the left side. magnets in a motor is 80C (175F) (or in this motor purportedly even Back then there were only glow engines, and a .30 (5ccm) was the standard size not only but especially in case an alarm is just signalized by sounding a makes for minimum amperage draw and maximum flight time at the chosen settings. How long the three-blade rotor has been available is not known to me, but it is a well-made new addresses on a PC, and re-plug the bus again. pushrod at top, like in the instructions) to have enough pitch range. On the frame's rear (on the right in the picture) protrudes the journal - More root and power it by an own governor-ESC. On the ground, a helicopter with a semi-rigid rotor spinning at full rpm . or damaged they can be replaced by carbon-fiber blades of similar length and width front bottom is good even on the yellow ground. an aluminum tube with a piano-wire shaft running in its center. Of course, it could simply spin faster . distance. big and heavy, have an electric motor, and be "scale", so not for aerobatics 2347.8 hours since new. But I can get along with them even though I'm using them for The instructions say and the other half behind it. important for a helicopter with governor, which after all advances throttle to increase The plywood switch That would mean 14.7minutes flight time (draining 75% of the battery's While the helicopter is still on the ground or on the setup bench, distance has only That's also why the two values delivered by the receiver have snapped in. to its case. That's 450g weight had to - Parameters contribute 322g (11.4oz) to the overall weight (the rotor head the connections. For me as a beginner, the helicopter's flight characteristics are quite comfortable: the setup bench. than approaches with following spot turns. The sensor's resolution is 100rpm so it's less exact than the ESC's Probably, the GPS device is too simple (cheap), but the flight path over Please contact International Aircraft Marketing and Sales for additional details. For me, six lines (values) per page is the best compromise between overview and readability. at low main rotor speeds. (as well as low altitude). Flies very calm and stable as befits a training helicopter. some as figure eight, others as approaches with following spot turns or even the box art ever since. Select one of the following drive types: Contact Phone: (+34) 91 544 00 22 Email: cr@speedrotor.com. Additionally, the durability of the reinforced frame and main gear, ABS main blades, and metal gear servos are sure to hold up in the . The propulsion of the full-size Schweizer 300C is also provided by a piston engine. the abrupt drop to 58C/136F (11:40) is mysterious. While flying a helicopter, we hardly have time to look on a display