RunRyder - Main Gears HDX 450 vs. TRex 450

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e-HeliDirect HDX 300-600 > Main Gears HDX 450 vs. TRex 450

llamont
Senior Heliman
Location: California

Hello all

Will the align TRex 450 lower main gear work in the HDX 450V3? I know the upper main gear works but I am having issues with the lower gear.

Thanks
Loren

08-27-2007 Over year old.

llamont
Senior Heliman
Location: California

ttt...

08-27-2007 Over year old.

phattalon
Senior Heliman
Location: Muncie In

Did you get it figured out llamont

08-29-2007 Over year old.

stespell
Heliman
Location: Cov., La. usa

T-rex uses a 109 tooth auto rotation gear vs the hdx 450 106 tooth gear I have both heli and have not tried to change the gears but due to the difference I don't think it will work the main gear can be interchanged as long as you use the spacer for the hdx.

09-09-2007 Over year old.

llamont
Senior Heliman
Location: California

Hi Phattalon

I was able to get the gearing figured out, thanks for asking.

Loren

09-09-2007 Over year old.

mmatheny
New Heliman
Location: Dickinson TX

And what was the answer??

12-28-2007 08:27 PM

50feet
Key Veteran
Location: Wilmington, Delaware

The HDX lower gear will not work with the trex tail drive that the belt it driven by.

To trust no one is to trust everyone equally

12-29-2007 05:29 AM

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