Not another Heli launcher! But this one is different, it features an 1:9 gear System for full Power supportet by 608 ball bearings.
Press Bearing |
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Press a 608 bearing into the hole of the middle housing. This is a tight fit, so you can use a hammer or a vice. The bearing won't slip in all the way and is about 1mm proud |
Heat Inserts |
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Put all the M3x6 heat inserts in to their holes |
On the shaft heat insert it can happen that the molten material gets too proud. If the Shaft Assembly in the next step is too wobbly, sand this part if necessary. |
Gear Assembly |
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Follow this guide step by step, otherwise you won't be able to get the "Counterpart in" |
press the bearing into the 30 teeth gear on the 20/30 combination gear. Don't press the other bearing in yet |
2. Add the shaft gear into the already pressed bearing |
3. Add in the screw and the counterpart from the other side. It should be tight with no wobble. Sand if necessary |
Assembled Shaft. |
4. Now you can press the other bearing into the other side of the shaft assembly |
5. Press the bearing into the 10/30 Gear |
6. Put the two gears together like shown |
7. Put the whole assembly into the midle box |
8. While holding the gears in place, screw in the M3x10mm screw from the other side. This will widen the shaft and hold the Gears in place. |
9. To make the gears last longer, you can add some lube |
Final Assembly |
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Screw the remaining parts together and you are done! |
I have added the F360 file for the rotors also. If you want to design your own rotor you can change the parameters to try different stuff. |
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Always review the model after changing some parameters, sometimes the calculation can fail. |
UFO |
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A flying propeller not from this world. >File can be downloaded here< |
MD - 500 Helicopter |
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A flyable pullcopter >File can be downloaded here< |
When printing on the A1, there is a shorter Rack in the raw STL - files included
If you like this model you may have a look at my other flying toys too | ||
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