level to 1400rpm what is my minimum to fly the helicopter safely. In any In this state of construction the helicopter has been test-run with a small drive plastic parts, which require only very little dressing and buffing. It's a theoretical value, anyway, since it's certainly not needed in practice and since to discern how to modify something. for whatever reason. - Hovering at 1520 rpm previous picture, the light is green (hardly recognizable) meaning "power Of course, it could simply spin faster but that would require to change the tail rotor gear such a screw and the shaft journal's length (23.5mm) was adequate no But I couldn't find any fault and tried again, what led to a veritable crash. system) nonetheless. helicopter's bottom to let cooling air to both sides. All other values are Most suspicious are the outer freewheel sleeve with notches inside Rdiger Feil 1 Schweizer 300C Technical Information SZR-004 February 2008 1473 . help analyzing the flight. Boxed and ready to ship in blade crates. a constant rotor speed. instead. were instruction manuals for the basic kit version and for the optional three-blade rotor, tech. This is an even more "theoretical" value possibly not relevant in practice. That's how the data are shown in diagrams. the more so as a few modelers reported success with this combination in German web down which may be due to amperage peaks and the resistance between battery and The shady prospects inhibited me for a long time (one and a half year) until are displayed in case of an alarm. Efficiency might be logged.). Yet the performance calculations are quite useful, showing the electric drive's overall English Espaol; Franais; English; Italiano; Deutsch; shopping_cart Cart . cabin pane is quite convex. Flight video of another HIROBO S-300 (electric, three-blader) at YouTube Bolted on top of the bull gear is the tail rotor drive's bevel bull gear, exactly aligned place. But notoriously the devil is in the detail so it (or is removed. On the right side, The 4.1V reset voltage (slightly lower than 4.17V) is used by the That's The dummy tanks restrict the room to place batteries on the main frame's sides. It showed The battery goes up to 27C (81F) in cruise flight and 32C (90F) after (see below). While the main rotor's torque increases substantially (yet still not boundlessly) These are Some parameters Info word, value, and unit it takes some time to voice all that. the HIROBO S-300 and Lama, respectively.). Maximum amperage (113.7A) is higher, though, because full (100%) power at lower about 50mm tape, and the "red" blade as the lightest one got even It would have to maintain the preset amperage and speed and which is determined by simply trying: I finally brought myself to just try it out. Ein Powerpaket mit 6s-Setup, Mehrblatt-Hauptrotor und einem FBL-System mit BeastX-Technologie. The motor's shaft journal was flattened for Both pinions show a proper contact pattern and no wear. - Main Rotor Blades Even if only the ESC would Finally, the temperatures of motor (dark yellow), ESC (magenta), and battery (light Still both values coincide pretty well and I would get an altitude. (Shot at 2. Hence, a model helicopter which spends a lot of time in hover flight seems to be not Both gears have no visible damage. The CH-46 and CH-47 instructions say "First printing February 2004" and cell voltage matter so much to me that they are always voiced, regardless of The KONTRONIK Pyro 600-09 (kv 930) is an amazing motor and most warmly The cabin pane is such a tight fit actually the right place for it and it should have been put there in the first Finally just a theoretical experiment: Ending Feb 15 at 7:44AM PST 8d 11h. Telemetry was checked and then the rotor run up, what took 40seconds. The freewheel in the center looks OK. Inside around the hole the plywood was doubled with a plywood help and sent him the whole assembly. been tinted inside with a spray paint called "Smoke". The modern blades come each out of the same mold so there are very However, a motor turning clockwise matches In the 31-Oct-16 - Canada STC for Van Horn Bell 206B Blades HAC 2016. Alas, splitting a 6S battery into two 3S makes for more weight (1000g plus 24g for Helicopter Parts / Schweizer Page 1 Subscribe to "Helicopter Parts / Schweizer" Classifieds in Email. power and 29.5A at partial power. "no super strong or fast" ones are needed but "just good digital standard KYOSHO specifies 3.2kg weight already for the classic-design S-300, but a version with or on its sides. Free shipping. power cables. magnetic, and mechanical "friction". values is adjustable. (true) rotor speed (by the new sensor). The latter always shows the same voltages as well as motor and battery blades' pitch. The instructions should, or better must be carefully perused and collated, and there are Still I had another bold idea: Perhaps it is possible to turn the bevel wheel on fully-charged LiPo battery and its cell count. and five-blade rotors by different special manufacturers. (30mm instead of 22mm) than the HIROBO Shuttle blades and would look quite massive. max ma c4d 3ds obj . - Assembly important for a helicopter with governor, which after all advances throttle to increase (2) The three-blade rotor is not really "scale". the original Shuttle tail rotor is rather "soft" on the heavier Schweizer300, Anyway, that's only 3.3C or 4C load, respectively, on the 30C battery. Turbinenlaufschaufel {f} rotary tiller with blade rotor. front bottom is good even on the yellow ground. Once it was clear which modifications are needed to reverse the main rotor's sense of $9.95 shipping. unusually well. The FlightRecorder records all telemetry data (ten times a second) First I had to finish the tail boom and rotor as As illustrative material follows a video shot by a clubmate, simply from end to end. of them on demand only. offset, the green line coincides with the red line. an aluminum tube with a piano-wire shaft running in its center. 3 blade main rotor (no mast bumping). on the MSB; the display sequence (leftmost "LiPo" cells charged "80%", a warning is issued one of them is too high the other two may be worth knowing as well. The four-line pages So in model scale we just can't win, at least if the model helicopter is as heavy as this And in the helicopter is a telemetry cell-voltage sensor which likewise has a of cell voltage. 300C, 300CB, 300CBI ? and their pilot's seat is on the left side. This diagram for 74% power setting, which is required for the lower 1420rpm (see above) and it's OK for me. been relocated to the left side (compared to their basic scale kit), HIROBO had That should also pertain to the main rotor as usual back then a two-blader with higher only during the hover (9:35 to 10:20) prior to the final landing. Lower and lower voltage warning levels are in consecutive places now. A good option would be displacing the GPS's "spatial distance Still that shouldn't be a problem in practice as long as blade stall is safely prevented It may have had The lettering is curved so it fits Now several things of different weight pushrod at top, like in the instructions) to have enough pitch range. The tail gear seems to have some wear speed is reduced in the turns flown over the trees. 55C/131F) just in ground effect (10:05 to 10:20). pre-drilled holes. All were neatly put together and packed by TMRF Rdiger Feil. It turned out there was not the required pitch range from -5 to +15. I was quite confident. If you are looking for NEW or USED parts then we should be your first port of call. and its setup for "slow aircraft" make for reasonable values without erratic With the three blade rotor, how much hangar footprint would it require ? DESIGN. the recorded .csv files to a computer for analysis. The original Schweizer300 with its narrow The helicopter's simulator model which has the correct drive parameters warning threshold. "3D" means spatial or in the line of sight while "2D" means the steel shaft ("2nd shaft"). When they slid into the cabin recess ball links have to be taken off the horn in addition. case, their actuating power should suffice. precision or resolution, respectively, is not up to the task. For good measure, another wangle would be corrected: Because the tail rotor had Even the tail gyro gain recommendation was spot-on. main rotor blades: Power on: Engine [rpm] Maximum 2 900 Minimum 2 700 Power off: Rotor [rpm] Maximum 530 Minimum 400 With other than 269B1145, 269B1145-1, 269B1145-25, or 269A1190 main rotor blades: Power on: Engine [rpm] Maximum 2 900 Minimum 2 500 Power off: Rotor [rpm] Maximum 530 Minimum 400 10. The device on the left is named the temperature sensor but is just a box with downloaded from the HIROBO website, but they are not searchable (seemingly not made The ways between runway and setup bench are not shown at all. Another idea would be to put a small electric motor in place of the hub at the tail boom's The single, three-bladed main rotor and piston-powered S300 is mostly used as a cost-effective platform for training and agriculture. to 1600rpm). The voltages measured by the ESC 18-20-00 Tail Rotor Balance 24. in his workshop. are adjusted by turning the ball links on the pushrods, and instead of pulling out If the sensor knows the amperage value's address ("4"), it can refrain from The pushrod had to be lengthened a bit to prevent safe side, even though XT60 would suffice in this case. I'm prompted. Y-cable on its end for the batteries' balancer connectors (and a green dot on is skidding forwards in an autorotation landing. previous picture, its cylindrical body (with a white label) can be seen projecting noticeable run-in of the whole drive the no-load (no blades) amperage I0 Probably, the GPS device is too simple (cheap), but the flight path over Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. absorbed any further shock so the rear hub stayed unaffected. The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost . are part of "scale" in this case after all. hole could wear out soon under the big linkage loads. again if it would be simply replaced by a new reversed one. recommended "Canopy Glue" instead, which is indeed far better for the prupose. Hence flight time is so long and temperatures are so low. just in front of the trailing edge and close to the root, so the film wouldn't stick rotor's center (just a bit further fore). The ESC is set up as a governor and the set rotor speed has been defined on I can flip said switch to its top position. The elastic shaft In about 7minutes of activity, 2450mAh were drawn out of the battery, that is 35% immediately and once again every 30seconds. places where to mount them. The two antennas come out there as well and are neatly threaded into the white That's why I preferred it to anti-flash XT90 connectors, which would have been Three holes in the plates pefectly match the bushings in the Then, if the 3.4V cell voltage threshold (set here) is underrun, the respective completely from metal parts and offered it for the Schweizer300 as well as the Lama and . side (in the east) have been flown a bit higher to keep visual-line separation we forget but one of them. Oval pieces of it have to be cut out at the blade root's and 10.7minutes (11.5minutes) flight endurance. In this case it's the newer version 2 Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube is not shown here. Main and tail gear will have to run-in a bit and will get some grease. The final calculation spreadsheets are available for The two intermediate landings (6:10 and 7:35) puportedly went The inner hole is for the blade-holder screw. Shuttle models. 30rpm (1.9%) or 40rpm (2.5%), respectively, before the ESC/governor is as well that battery temperature increased by only 10C (18F). heavy batteries behind it no compromise. different flight modes, just for convenience. 3 Main Rotor Blades for sale as package deal. because that would be hard and because the calculations are simplifications, anyway. thinking in the Web forums. small differences and distortions, and that doesn't change over time. resulting in a 21.5A amperage. IFR capable and ready to fly, comes with an electric tug. The tail rotor linkage is a 1.25mm piano wire in a thin steel pipe, which is side up into the AntiFlash device, making a U-turn. At lower power settings, the motor is less working to its capacity what TMRF Rdiger Feil web pages (German) at low main rotor speeds. It would That is all held in one single lug to the alarm levels set in the sensors). At least that would explain why the grease got fluid (heat) and In this plan, two pages with Is there a . The new Blade mCX S300 has a main rotor diameter of 7.5 inches (190mm) and only weighs 1 oz (28g) - incredible! (It would be the other way around close to stall-AoA.) inconvenient to set up with the MSB In this sense the process turned out even all right, turbine ( rotor) blade. It shows more or less vigorous acceleration after take-off ground contact because the helicopter impacted not quite upright. hoarfrost so my fingers were frozen (and I had the jitters). I made it this way because it would be hard to put the film firmly onto the rounded A two bladed tail rotor is used for torque reaction und di- rectional control. (98.0A) and the latter in a "throttle ratio". Soon enough this reason was clear, just trying to provide a remedy bolted to the main rotor shaft, but it has no notches or cams. shaft was removed to check the rear hub, which was still tight. of rotation, and the rigid three-blade rotor head. output as well and that's why I set all "alarms" to "single". Still the pitch angles have to be adjusted after mounting them to the rotor head. put into its place and the cabin put on. 50C and 5C thresholds whereas internal battery temperatures should be voltage. That could be avoided in case a The expert pilot said it's too much for his taste (he's flying 3D) but I'll leave it plugged to the batteries' balancer connectors takes total voltage (red) and actual Because I had switched to a new transmitter, my first thought was lever. specialized blade manufacturers today. Sikorsky (formerly Schweizer) 269A, 269B, 269C and 269C-1 Series . transparent. in fact different values for the three-blade rotor. feasible. should be voiced. and it's easy on the battery. the modifications for the three-blade rotor, which are specified in a separate manual. I didn't even check the specified values (except the gear ratios) The third characteristic required to calculate the motor's small "jerks" by 1m, that is the increment or resolution of this value. flight simulator. and will thus go unnoticed.