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Other › Help with TREX please
10-20-2004 01:07 PM  13 years agoPost 1
rich4

rrApprentice

UK

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Am having difficulty fitting my Himax 2025 into the TREX.
Two problems:

1. It is really difficult toget a screwdriver into the frame when it is built
2. I have put the screws in with the washers but the holes that thescrews go through are an elongated oval shape. No matter how tight the screws are they seem to be able to move backward or forward disengaging the pinion from the main gear

Also how freely should the whole head rotate? Should there be some drag with the belt drive? On my Zoom I can manually spin the blades and they spin and spin.. really free and smooth. On the Trex, the rotors will only spin at max one revolution just spinning them manually

Any help woud be appreciated.

Thanks

Rich

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10-20-2004 01:49 PM  13 years agoPost 2
gt900uk

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Scotland

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Didnt read post properly sorry LOL

This Heli Will Self Destruct In Five Seconds!!

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10-20-2004 04:05 PM  13 years agoPost 3
wildstallionuk

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ENGLAND, FOLKESTONE,​KENT

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You need a really long thin screw driver, its a real pig I know but its possible. I personally never used washers I let the screws mould/seat themselves into the plastic with pressure, it seems to hold.

You want the belt as loose as practically possible really, maybe you should put a tiny dam of lube on your oneway. Dont forget to balance the tail rotors they are way out from the factory

Check out the items I have for sale in the clasifieds including a CSM 420

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10-20-2004 04:36 PM  13 years agoPost 4
rich4

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UK

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Thanks Wildstallion - the screws that came with the motor are obviously too long- will put in some smaller ones.

Rich

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10-20-2004 04:44 PM  13 years agoPost 5
Hoverup

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Golden Gulf Coast -​USA

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I used socket head bolts to mount my motor and then using a ball end hex driver made the installation a snap. As often as I change out motors, this was a great help.

Cheers - Boyd
AMA 80393
IRCHA 3355
LSF 853
Major USAF
Retired

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10-20-2004 04:48 PM  13 years agoPost 6
rich4

rrApprentice

UK

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Good tip Hoverup - will see if I have any as that would make it a real easy job. Don't suppose you know what the hole in the end of the boom and the slits at the other end are for? Don't seem to have anyting on my frame for them to engage

Rich

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10-20-2004 06:02 PM  13 years agoPost 7
Hoverup

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Golden Gulf Coast -​USA

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There should be tabs molded on the inside of the tailboom mount in the chassis and the T/R gear housing to interface with these openings in the boom. At least that's the way all three of mine are.

Cheers - Boyd
AMA 80393
IRCHA 3355
LSF 853
Major USAF
Retired

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10-20-2004 07:28 PM  13 years agoPost 8
wildstallionuk

rrKey Veteran

ENGLAND, FOLKESTONE,​KENT

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Wow go with Hoverup's idea hex bolts sound excellent.

Check out the items I have for sale in the clasifieds including a CSM 420

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