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ProModeler Scorpion Power
Andy from Sandy

Key Veteran

Bedfordshire, UK

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Almost forgot you will need to reverse the motor in the HW ESC.
Depending on how easy it is to get to you can also just change any two wires over on the motor to reverse its direction.

01-05-2017 10:27 PM
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NQNA

Elite Veteran

USA

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The last piece of the puzzle has finally arrived!! I just ordered the fabled part H47T021XXW 470L Metal Tail Rotor Shaft Assembly!

My life is now complete!

GrandRC has a select few, so hurry!

01-06-2017 03:21 AM
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knightofcarnage

Elite Veteran

chicago

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Depending on how easy it is to get to you can also just change any two wires over on the motor to reverse its direction.
yes you can reverse the wires but if you follow, the other speed controler wiring you will need to reverse it.

01-07-2017 12:54 AM
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NQNA

Elite Veteran

USA

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Well I have received the new tail rotor output shafts (H47T021XXW 470L Metal Tail Rotor Shaft Assembly), but there is a slight problem. It appears that the shaft length between the tail rotor gearbox halves is slightly shorter than the original shaft. I measure 15.35mm on the original and 15.30mm on the new shaft. This allows the output shaft to have play between the gearbox halves. I have seen this before on Align belt driven tail rotors.

I have yet to find an appropriately sized washer to remove this play.

01-11-2017 10:53 PM
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NQNA

Elite Veteran

USA

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I found some thin shims of varying thicknesses in my spare parts cache. They are the same diameter as the gearbox bearings. It took a .06mm and .07mm shim to remove the play in tail rotor output shaft. I installed them in the bearing recess on the vertical stabilizer side of the gearbox. I would bet that a large number of the 470 tail rotor gearboxes have some play in that shaft. Maybe Align can provide a package of varying width shims with each set of output shafts like they do with main shafts?

01-13-2017 12:16 AM
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knightofcarnage

Elite Veteran

chicago

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I had to do the same thing . I think the shims i had where from a 250 kit, but did not measure it.

01-13-2017 02:58 AM
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ProModeler Scorpion Power
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