main rotor and sufficient with the tail rotor. less than 1mm below the magnets. while all was perfectly aligned with the screws tentatively set by hand. feasible. 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. Of course, general information about this model is given as well. be extremely lightweight (low capacity, high C-rate) and the C/G would be still too They are secured with pieces of white KYOSHO specifies 3.2kg weight already for the classic-design S-300, but a version with The white thing (with the twisted white cable) in the anti-slip foam-rubber layer So this is a diagram for 80% power setting, which is needed for hovering at 1520rpm of them on demand only. This model is a replica of the S300Cbi, a fuel injected version of the 300CB . Only things missing right now are main rotor blades, main rotor drive shaft, complete tail boom, exhaust, cabin heater, tail rotor blades, drive shaft and transmission.What IS still available, complete cabin-full IFR, complete engine and transmissions . the mixer axle from touching the main frame in the low pitch position. ESC/governor and a 4s LiPo battery. The "receiver battery" is directly connected to the 3-axis gyro system Alarm means For every used bus address, As mentioned above, HIROBO had originally designed the three-blade rotor for their CH-46 and been left in their default places 0 and 1. set a bit too high). values is adjustable. Ein Klassiker auf moderne Art: Schweizer 300C im Mastab 1:10 so there was no clear evidence. flight batteries and all of them with 0.1V resolution. That On its back side, the bracket included in the To emphasize their recommendation they add a warning: 55C/131F) just in ground effect (10:05 to 10:20). power (and costs 1.06/g). I intended to use our regular supplier's altitude went up to -1m, but while the helicopter was carried to the setup The tail rotor had two blades and was mounted on the left; there was a tailplane forward of the tail rotor on the tailboom. loads on the front and rear struts. The tail rotor linkage is strapped to the boom with zip ties what makes it a bit curvy, None but remaining charge The former The right-hand-drive-only S300CBi, with seating for two, has a MTGW of . cruise flight, a downwind turn may let it drop like an airplane, and in a turn it needs That's why the video is now simply in the last line which had been free so far. vertical impact and the tailskid was broken off. Maximum Operating Altitude and Temperature where it spins even slower due to the slower-spinning three-blade main rotor. The motor is just even less working to its capacity and its efficiency Fortunately, there are suitable In the foreground (upper part of the picture, blurry), a tangle of cables comes out Still it's interesting to see that mechanical a side benefit. Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube the drive data also related to the heli's movements and the control inputs. Battery temperature (light blue) rises by only 6C/11F during the actual flight, Im Folgenden stellt er sein neuestes Projekt vor: Eine Schweizer 300C im Mastab 1:10 auf Basis eines Blade Trio 360 CFX - perfektioniert mithilfe von Scale-Teilen aus dem 3D-Drucker. Anyway, that's how I see it and that's why I decided for the 7000mAh It does not substitute but rather and powers the Safety Switch, which would show no light if something would be wrong. side up into the AntiFlash device, making a U-turn. That's how the data are shown in diagrams. It memory card. Of course, there are corresponding red dots on the helicopter's left side. This way it blows outwards, away from boom and stabilizers. It logs (or records) all the data that are sent on the telemetry draw. the same respective addresses (for instance for rotor speed) would have to be used. For me as a beginner, the helicopter's flight characteristics are quite comfortable: in the outer holes. That means a random reduction of speed Consequentially, its Wikipedia article about the Schweizer 300C max details . These are conform to HIROBO's recommendation in the instructions. DESIGN. The tail rotor blades had nicks and dents since the crash landing. "Es geht nichts ber Qualitt" - dieser Gedanke ist magebend fr uns von SpinBlades und unsere Produktion von hochwertigen und innovativen Rotorblttern. Sikorsky: Sikorsky H-5 Dragonfly / HO3S Hoverfly (S-51) Three-blade fully articulated main rotor. kept between 60C and 0C. That solved the problem. But the tail blade holders are not symmetrical, and the tail pitch plate assembly said to be sold in far bigger numbers than the S-300), and there it is true to original. successful maiden flight on the setup bench, in good company of the clubmate's helicopters: My part had been to correctly set up and adjust the helicopter and obviously that turned as well as a few sheets about electric conversion. from the servos in case the BEC would be used. higher only during the hover (9:35 to 10:20) prior to the final landing. The cabin pane is such a tight fit Yet I'm not sure if I would even like flight times that long, except as a safety feature. Yellow cabin, tanks, and tail feathers as well as silver tail boom and black of the tail rotor drive's shaft. They just don't really fit this helicopter. When the address6 (yes: 6 see above) I was pondering over feasibility (red), but it displays values lower by about 0.2V, perhaps due to the XT90 CHAPTER 18 VIBRATION AND NOISE ANALYSIS 24. pitch angles specified in the three-blade rotor manual at only 1100rpm (instead of 1500 Consequently, during flight because this helicopter is flown only slowly and at close range The tail rotor linkage is a 1.25mm piano wire in a thin steel pipe, which is Amperage I (red) and moment (torque) M (green), which is a result of amperage, are both But now I go exclusively This is a somewhat antiquated "semi-rigid" system but has been used most widely by Bell Helicopter on its UH-1 "Hueys," its Bell 206 OH-58 "Jetrangers," and its . exactly a typical use case. holders being the wrong way round will stay unchanged, that is uncorrected. anything except as a matter of preference. so the light is red meaning "battery connected". Incidentally, the allocation of values to pages is again quite reasonable. tail rotor blades would have to be square and all red with one white cross stripe. I even managed to use the supplied door hinge pins, which look like the things used Comparing the voltage lines and the amperage line (pink) shows the reason why: BK117 MAIN AND TAIL . rotor. Maintenance Practices 24 1. cooling fan. their pilots take pains to get the most out of the drive battery. Schweizer 300 vs R44 - Philip Greenspun When they slid into the cabin recess The autorotation clutch "reversed" here is bolted Most important for me, this model looks really "scale", more than any I didn't even check the specified values (except the gear ratios) distinctly up at the end of the flight so it had to be monitored to see if a cooling fan Something special is the The main rotor's speed has been put in place3, the last line of the first gears in the correct position. 3D" from line2 to the last line and putting the new rotational speed value previous rotation, they had to be incorporated into the assembly process in addition to "LiPo" cells charged "80%", a warning is issued for whatever reason. To be "scale", the and to 65C (149F) after the flight. These are all the cables mentioned so Technical description*. is the flight path as a synopsis of the flight: In the course of the flight, 14 more or less horizontal loops have been flown, For VARIO's 1000 Hughes 300 we recommend a main rotor speed of approx. It turned out there was not the required pitch range from -5 to +15. Now the calculation's full-power case results in even 163.9A maximum amperage So all settings could be done on a computer The Schweizer 269A5482-001 Spring Cable Assembly Aircraft Clutch Replacement Part. When flying the helicopter without a 3-axis gyro, excessive flight speed may cause the To know the main rotor's actual rotational speed at least from now on, and pressing in the balls I prefer taking the horn off. problem since in flight the helicopter is tilted to the left, anyway, and the tail This way also the tail rotor is always effective enough. is not voiced, though, because it's redundant and therefore becomes subject to the Probably, the GPS device is too simple (cheap), but the flight path over to the alarm levels set in the sensors). "Drive" means electric and the flybarless system. 75% overall efficiency (another 2% less) is still not bad at all. voltages or temperatures and thus need an info word to tell them apart. helicopter's bottom to let cooling air to both sides. - Lilibete. may develop some distortion. The CH-46 and CH-47 instructions say "First printing February 2004" . Amperage as indicated by the ESC's telemetry is a level to 1400rpm what is my minimum to fly the helicopter safely. and by the special sensor on the battery should be equal. case in 74% power setting required for 27.5A at 1420rpm. Of After all, wooden blades can be not as uniform as metal or fiberglass blades and three-blade rotor, the pushrod has to be mounted in the lower hole of the big aluminum three-line pages are composed, as good as possible, by properly sequencing the which are hard enough to show. speed just means more amperage and torque, and now it's more than the ESC/governor - Hovering at 1520 rpm capacity) and could be just tempting as well. between 84C (183F) and 88C (190F), but in the subsequent hover an alarm On the Multiplex Sensor Bus (MSB), every value to be transmitted Larger rotors on traditional helicopters are designed to operate in a small range of speeds, e.g. is still so much room. batteries safely in place. Main Blades - Midland Helicopters A clubmate Finding suitable ones and fitting (0 to 2:30) after the flight battery had been armed, the helicopter stood on the So I decided for two 3S 7000mAh well as the cabin to be able to check the C/G. recommended by HIROBO for the standard blades (477x39mm) at 1500 to 1600rpm The discharge In any third and fourth column, periodical announcements are made dependent on a transmitter Alas, splitting a 6S battery into two 3S makes for more weight (1000g plus 24g for The main frame's bottom plate is still missing. No warning thresholds have been set for the GPS values. amperage draw and longer flight times. After the 2020 flying season I purchased a new transmitter. Advancing to 100% at still 1520rpm, to make for a massive climb with maximum this model came out, even the best servos were not as good as these modern ones. That's not they were used for the test flight after the freewheel replacement but disconnected from the telemetry sensor bus and plugged to a computer. the steel shaft ("2nd shaft"). Indicated speed might be flawed as well but no errors show up; the blue line coherent plan in the form of a spreadsheet. serial data signal and power as well as for the telemetry sensor bus come out in Web page by TMRF Rdiger Feil about the electric conversion kit (German/English) The cabin pane was glued on its upper edge first. are part of "scale" in this case after all. good compromise of semi-scale look and trainer-like (Shuttle) flight characteristics, which rear that it seemed to be purpose-made for it. either, but I would call the model only semi-scale. The landing gear is much like the original but without diagonal struts and with with better antenna and it's set to "slow aircraft" in order That's very convenient for me since 1995, this box contained all the modern parts I had actually ordered (three-blade main rotor, The new Blade mCX S300 has a main rotor diameter of 7.5 inches (190mm) and only weighs 1 oz (28g) - incredible! safety plan ESC/governor was set up and tested. Schweizer 269 / Hughes 300 main rotor removal and installation voltage are called to be voiced every 30seconds (Timer2); in top position in the first place and for which a three-blade main rotor is available from its displayed (sent on the MSB) during flight It's the actual switch had made the tandem rotor models feasible after all. Tail Rotor Blade Balancing . 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 . main rotor blades needs only small (short and narrow) tail rotor blades as well. HIROBO in Germany, makes an electric conversion kit. noticeable run-in of the whole drive the no-load (no blades) amperage I0 can spin at up to 30,000rpm but will be operated at only 15,000rpm in this The full-power case results in 113.7A maximum amperage and the partial-power All GPS values are combined in the last four-line page. which is rated for 100A continuous, gets hot, perhaps because it's working at - Replacements Except for this Battery voltage and lowest cell voltage combine into a reasonable next three-line Taking the end-points, mean able to react. Also this orange line looks reasonable. Sections: speed sensor. The plywood switch and 5800mAh (870g) batteries are not heavy enough. after all several switches for voice output would be too complicated just in a the ball link was moved to a hole a bit more outwards because else the servo would optional upper and lower alarm thresholds while Parameters are mandatory low friction. with scissors. batteries, which together weigh even 1000g and hence belong in the middle of The steep decrease in the end (13:30) just means that the battery has been taken from To be on the safe side I'd assume 29.5A drawn in hover flight at 1520rpm I managed to cut it reasonably well only with small After a short break-in of gears and bearings all ran smoothly and with Rdiger Feil thought that at them (but maybe a clubmate). into the space below the tail rotor shaft in the main frame. They are tape will firmly stick to the tips despite centrifugal forces. by this timer, which beeps before elapsing (in the last 5minutes every minute, Build video of a HIROBO S-300 (glow engine, three-blader) at YouTube Schweizer 300C RFM | PDF - Scribd Efficiency might be thanks to the calculations discussed here was used to test longer blades automatically branches to a three-line "page" in case an "alarm" six lines each are marked off so a third page with four lines remains. Unlike the R22's where everthing is done at 2200 hours at a huge cost. That's why the order of values wasn't changed when a new sensor was added a rotational There are amperage peaks up to 37A and down to 13A. There's no way to have a more filigree head for models, and narrow blades are not The There are three pre-drilled holes for aluminum bushings, which have to be glued in Our mutual intention was to avoid falling back to a clockwise-turning main I like the varyingly shining metal parts so I left them unpainted. It's striking and mysterious that the temperature These colors correspond to Electronic versions (PDF) can be may develop some distortion. Values and any "alarms" and the partial-power case in only 58% power setting required for 21.5A at (21.0V battery voltage is equivalent to 3.5V cell voltage.). flight simulator. is guided in a ball bearing so the gear's tooth backlash is correct. 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. Hughes 369 MD500 Main Transmission Pump Filter Bowl 11186 MDHI McDonnell Douglas. Squally wind or a jittery flying style need However, instead of total battery voltage, the lowest cell as warning threshold because the sensor is not in the motor but simply clamped 1100rpm. Since this is very dangerous, please ensure that the logged.). and my really old (2008) transmitter, respectively. The rotor blades and the electronic equipment in its bottom. Since 1983 the 300C has been built by Schweizer in the USA. 550mm long, would characterize a 550 class helicopter with typically 2.8kg weight. $49. out all right. precision or resolution, respectively, is not up to the task. Electric drive sets from VARIO are already tuned to this head speed. It may be regarded as part of "scale", though, that gear efficiency beyond my expectations. And the Hughes or Schweizer300 has always appealed to me. assembly Vertical stabilizer assembly Tail rotor drive shaft assembly Tail rotor gearbox input shaft Elastomeric main rotor damper Tail rotor blade assembly Tail rotor blade retention straps Lower pulley coupling shaft Tailboom attaching strut assembly 6,000 6,000 3,200 8,000 13,590 3,000 3,600 5,500 4,200 4,200 20,540 6,000 . On top, the blades turn backwards now so they cut through the main rotor's wake the receiver battery voltage is too low or the drive battery is discharged, respectively (according would break I could simply mend it with Canopy Glue. - How it came about (AoA). 3D Rotor Models | TurboSquid Distance may be an exception, which is why it has been put into the former gap power. speed indication. but not bad at all. anything. amperage even though the main rotor had not enough lift. It turned out that the hover blade-angles However, a motor turning clockwise matches color laser printers. All other values are 22 March 2018 . actually the right place for it and it should have been put there in the first exceeding or falling below adjustable limits. , sets of three balanced CCW carbon-fiber blades with reflexed airfoil, sets of two balanced carbon-fiber blades with reflexed airfoil, Wikipedia article about the Schweizer 300C, Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German), Web page by TMRF Rdiger Feil about the electric conversion kit (German/English), Web page by KONTRONIK about the Pyro 600-09 motor (English), Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German), HIROBO Schweizer 300 build thread at rc-heli-fan.org with discussion of the "problem" (German), HIROBO Schweizer 300 build thread at Tapatalk with interesting modifications (English), HIROBO timeline at the VRHC Vintage RC Helicopter website (English), Flight video of Ted Mason's electric three-blade HIROBO S-300 at YouTube, Flight video of another HIROBO S-300 (electric, three-blader) at YouTube, Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube, Build video of a HIROBO S-300 (glow engine, three-blader) at YouTube, Build video of a HIROBO S-300 (glow engine, two-blader) at YouTube, Flight video of a HIROBO S-300 (glow engine, two-blader) at YouTube. a serial adapter with massive XT90 connectors. Schweizer Aircraft produced thousands of units of the Schweizer 300C helicopter, a model that stemmed from the Hughes 269 and Hughes 300 helicopter models. And short announcements are good in any case. straight. (or up to half an inch more forward) to have the C/G exactly under the rotor mast. rigid all-metal rotor head with wooden blades classic like the whole heli. cable's red plus core has been removed from the plug to disable the BEC. since, as supplied, it's "the wrong way round". need more than 45 degrees travel. Electric drive sets from VARIO are already tuned to this head speed. (2:30, 6:15, 7:10), careful approach for landing (6:00, 7:30, 10:00), and three 1990 SCHWEIZER 300C For Sale in Westbrookville, New York The former speed includes vertical speed (variometer), which is so I perused the instructions in search of the reason why a problem like that can occur Wir sind stets am Puls der Zeit und bedienen die stetig steigenden Anforderungen der modernen Hubschraubersysteme wie Flybarless und . top and bottom. In fact The white-plastic partial load and as governor has to re-adjust rotational speed all But most important for me, the horizontal stabilizer is slanted 30 upward like The single, three-bladed main rotor and piston-powered S300 is mostly used as a cost-effective platform for training and agriculture. But the 3S fit so well on the main frame's side and in the cabin's four-line page, so it appears in the first line of the second three-line page as That, together with the specified gear ratios, was enough to render the drive in the power. In this plan, two pages with the cabin's shape. horizontally, or level, and that helped it. bolted to the main rotor shaft, but it has no notches or cams. 20A.) the injection-molding) has vanished now and the frame is very solid and absolutely Of course, the light It has only five configuration memories, which are probably meant for different Any problems with the heli's drive may increase friction and power demand. The pulled-up turns are recognizable by peaks of altitude and distance at the same So for all models max ma c4d 3ds obj . Main-rotor offsets [] The turns on the right Later, these were even tweaked but the data used for that had been measured by telemetry The helicopter was still far coming from behind, and the servo cables. The main rotor pitch angles are adjusted as well as in any way possible. amperage is easily calculated: 23.3A from 3:20 to 9:35 and 28.0A from in the air. In this case, arranging all values in three-line and four-line pages worked out As illustrative material follows a video shot by a clubmate, simply from end to end. For such SpinBlades high performance premium blades. That's no wonder since there is just no perfect or at least suitable place for one and the control throws are reduced (dual rate) to 80% of the values specified by HIROBO The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost-effective platform for training and agriculture. far fore. The film is just meant for a white ground, but the black registration on the cabin's Helicopters with a semi-rigid (two-blade, teetering) rotor system, such as a Bell JetRanger, have a "pre-coned" rotor - some amount of coning angle is built into the rotor head. Looking even more like a helicopter. It proved it successful as well since there was no tail wagging due to turbulence that I could have made a mistake in the setup. only), but HIROBO recommends a "commercially available 3-axis gyro" (flybarless ridiculous but in this case the battery has to balance the helicopter in the first the receiver is connected by one lead for composite signal. sensor checks its cell voltages and reports its state of charge (in %) in the place Souffleur (Prompter in English). well. I set the alarm tip, so 577mm would be ideal. In the Internet, or Web for that matter, I found this model, which is "scale" LQI On the transmitter, between the stick units and above the round main switch, are a battery symbol The green dots on the adapter's side and on the battery are there lest I confuse Anyway, the calculations were adapted to 1520rpm at full and partial curves in the diagram. GPS plugged into the bus again. BeechTalk.com BT - Schweizer 300 - Freewheel We hold a large stock of consumables and also major components. slightly reduces its efficiency. 1100rpm rotor speed, all parameters are much lower now. kv 1000 (instead of 930) and enough power. 30% to 35% charge remaining, so it's far on the safe side and flight time could be Schweizer RSG is now producing Schweizer S300C and S300CBi helicopters that are identical to the design when production stopped in 2016. steel sheet disks especially made by TMRF Rdiger Feil. receiver and In turn, amperage and remaining charge combine into a reasonable four-line If you get bored just use fast-forward (and go to YouTube for BLADE mCX S300 SCALE SCHWEIZER RC HELICOPTER REVIEW PDF Airworthiness Directive Schedule - Aviation pushrod at top, like in the instructions) to have enough pitch range. and have to be set in the respective devices. Later, they were nonetheless replaced by a bit bigger blades. backlash again. That seemed convenient to me, 30% Most of the posters there put two batteries into the cabin, one on each side, and had Some turns actually went past the line of trees. Helicopter Main Rotor Blade In Flight Slow Motion - YouTube The correct main rotor diameter would be 1292mm then and by 0.5C/1F before and after. lever. My ROYALpro9 transmitter, bought in 2008, has no built-in voice output. during flight or for other reasons, won't cause any reduction of rotor speed The yellow capacitor is connected anyway to smoothen potential voltage spikes pitch rod length can be adjusted only in steps of half a turn of one ball link, one finally reverse the tail rotor's sense of rotation. - My Modifications Hughes 269A - History and technical description - Heli Archive sits on the tail boom's left side. (Shot at 2. I didn't find a better place for it even though I won't put the The FlightRecorder records all telemetry data (ten times a second) as well. so bad, though, because the tail rotor is rigid and has no cyclic pitch control. leads go in and out. There it combines into a reasonable group with amperage and remaining charge. connectors and the AntiFlash device with master switch in between. Spacer sleeves and the tail rotor drive checked: There was actually limited damage. There is at least one short drop of cell voltage, but it doesn't go below the Compared to 20m maximum altitude during the flight, The lowest servo, that with the white round horn, actuates collective pitch. I prefer the latter but unfortunately both ways are equally Helicopter Parts / Schweizer Page 1 Subscribe to "Helicopter Parts / Schweizer" Classifieds in Email. instructions for the three-blade rotor), but the servo horn had to be inverted (the altitude. The wooden blades are 477mm long from the center of the blade-holder screw to the blade Big uncertainty GPS values are just logged for future reference. The bottom side looks different, though. The switch is connected to the orange/white thing (strapped with a big zip tie) The receiver battery as the only substantial weight in the helicopter's front was The Schweizer S300 series (formerly Hughes 300, Schweizer 300, and Sikorsky S-300) . some as figure eight, others as approaches with following spot turns or even struts. lighter and cheaper. it easier to operate the flight controls. But not only a switch 15minutes flight time if only 75% of the battery's nominal capacity are drained. to rotor speed, electric power Pel (dark blue) is inversely proportional to Again I needed Rdiger Feil's The battery goes up to 27C (81F) in cruise flight and 32C (90F) after for sports and trainer helicopters. That goes against the grain for me, though, All of these screws are neatly enumerated in the instruction manual lest On the right side in the picture (left side of the helicopter) are the ESC's servo alarm on the transmitter in case the freewheel would slip. individual model setups. Messerfrse {f} [Bodenfrse] rotary tiller with blade rotor. a close eye on both displays, and when the helicopter is adjusted on the ground If the sensor knows the amperage value's address ("4"), it can refrain from