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T-REX 450 › a bent feathering shaft......how to....450 clone
01-11-2011 10:47 PM  7 years agoPost 1
cruzroy

rrNovice

worcester, ma.

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hi guys i made a vid of my bent shaft repair
hope this helps someone out

Watch at YouTube

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01-11-2011 10:58 PM  7 years agoPost 2
A.J.

rrVeteran

Bethlehem, GA

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Probably not the best idea considering the forces applied to that shaft. Now weakend but the stress of bending one way and then back.

Just my thoughts

Stratus 90, Synergy E6, Trex 450 Pro

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01-11-2011 11:17 PM  7 years agoPost 3
Hellsiege

rrVeteran

Colorado Springs, CO

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+1 on replacing. Most of the time if you hit hard enough to break blades you'll need to replace the shaft. Even if it's not making it weaker is it really straight? Would hate to chase down a vibe/shake and it turn out to be the part I "fixed"...

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01-12-2011 04:01 PM  7 years agoPost 4
jsenicka

rrProfessor

Eagle River, WI

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spindles and main shafts are consumable items. Saving a $4 spindle that later cost $100 in crash costs is not a great savings.

Jim Senicka
Team Manager, GrandRC Flight Team

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01-12-2011 11:40 PM  7 years agoPost 5
Waco

rrApprentice

Bernalillo, New Mexico USA

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Not to mention dicking around with blades that don't track consistantly because of a feathering shaft that isn't quite true.
Bad idea in this instant but helpful maybe in other less critical applications.

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01-13-2011 01:55 AM  7 years agoPost 6
Lovelight

rrNovice

Bellevue, WA

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All good points but it could make the difference between flying and not flying for some folks. To each their own.

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01-13-2011 02:36 AM  7 years agoPost 7
dkshema

rrMaster

Cedar Rapids, IA

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Those small spindles, bent at that angle, have probably been stressed beyond their elastic limit and become brittle, with small fractures at the microscopic level. The initial bend, and all the additional re-bending may also be work-hardening the shaft at the bend, making matters worse.

The shafts you're saving cost 50 cents a pop from Hobby King (since that's an HK head you say you're fixing).

That's a lot of work to save yourself 50 cents worth of material that can fail and take out a most of your heli.

If a bent feathering shaft is all that's between you and your next flight, lay in a batch of spares instead.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-13-2011 02:39 AM  7 years agoPost 8
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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Same here, I rather change them, just to be 100% sure.

Team Synergy, Rail blades, Team Scorpion, V-Team

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01-13-2011 09:15 PM  7 years agoPost 9
cruzroy

rrNovice

worcester, ma.

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i would like to fly while i wait 18-30 days for parts!!
i would like to fly while i wait 18-30 days for parts!!
and the track good..

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