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HelicopterMain Discussion › what could have caused these servo horns to strip
10-25-2015 03:06 AM  26 months agoPost 1
wc_wickedclown (RIP)

rrProfessor

long beach calif

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I'm thinking its must have been crashed before.

don't now how in the world it flew so stable the last time I flew it

Watch at YouTube

Insha Allah made in america

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10-25-2015 03:22 PM  25 months agoPost 2
rcnut

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Rockford, Illinois

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The spline stripped out. Normally it happens in a crash or the system was powered up with the blades folded in the blade holder. Anyhow, good catch!

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-25-2015 03:59 PM  25 months agoPost 3
wc_wickedclown (RIP)

rrProfessor

long beach calif

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powered up with the blades folded in the blade holder
thank you, had my mind boggled.

this is why I hate fooling with pre-owned chopper's

Insha Allah made in america

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10-25-2015 04:12 PM  25 months agoPost 4
don s

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Chesapeake, VA

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Pre-owned = complete teardown and reassembly with new parts as needed.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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10-25-2015 04:30 PM  25 months agoPost 5
don s

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Chesapeake, VA

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Are you sure the horns match the servo?

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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10-25-2015 05:04 PM  25 months agoPost 6
wc_wickedclown (RIP)

rrProfessor

long beach calif

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don s
Are you sure the horns match the servo?
It's a pre-owned they went back on ok when I reassembled it and I never power up a bird with the blades in the holder.

hopefully they won't strip again.

Insha Allah made in america

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10-25-2015 10:48 PM  25 months agoPost 7
don s

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Chesapeake, VA

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Way back I made the mistake of putting hitec arms on futaba servos. Worked fine until the load became too great.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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10-26-2015 01:46 PM  25 months agoPost 8
ICUR1-2

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Ottawa, Ontario

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Your problem is 1 of the many reasons I don't buy used models anymore..
I bought a used 450 dfc a while back from a planker, after I got it I tore it down to rebuild it as there were many things wrong. It ended up costing me another 120$ to repair, Although it looked nice in the pics and the owner said it flew well it was a mess everything in it had to be replaced.

This was my 3rd used model I ever bought and so far every time it has cost about an extra 100-200$ to repair.

I will not fly a model unless it is in 100% flying condition,
any type of defect or suspected defect will ground it.
Just not worth risking the loss of more money and time.

In your case WC. I would just replace all the servo horns and be done with it.

spending time, paying attention

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10-26-2015 05:36 PM  25 months agoPost 9
wc_wickedclown (RIP)

rrProfessor

long beach calif

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In your case WC. I would just replace all the servo horns and be done with it.
thanks brother 1 left i had to change 2 of them
Your problem is 1 of the many reasons I don't buy used models anymore.
+1

Insha Allah made in america

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10-26-2015 06:21 PM  25 months agoPost 10
Pistol Pete

rrProfessor

Seffner, FL

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consider adding two more screws to the servo disc/horn

~~Enjoying the hobby one flight at a time~~

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10-26-2015 07:00 PM  25 months agoPost 11
wc_wickedclown (RIP)

rrProfessor

long beach calif

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Pistol_Pete
consider adding two more screws to the servo disc/horn
good idea

so you know whats up I didn't know there was a round servo horn inside

I replaced the inner horn on 2 of those

1 more to go

she's tight enough to attempt some 3d now i ordered a RCD3063 Magic Mirror RC Model Helicopter Optical Tachometer today my skytech stopped working or needs a battery I think the magic mirror might be simpler to use.

hs pitch CG everything must be near perfect and easy to fly hands on or off

almost there, the vbar sensor works great with the kbar unit amazing

Insha Allah made in america

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10-26-2015 11:25 PM  25 months agoPost 12
oldfart

rrProfessor

Vancouver, Canada

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Re: sevo wheel/arms teeth stripping around the output shaft:

If you are mounting plastic wheels/arms to a servo with a plastic (non-metal) gear output shaft, DO NOT use locktight, this makes the plastic very brittle and it will quickly fail.

If you are mounting a plastic wheel/arm to a metal gear output shaft, then use only a SMALL amount to secure the screw as you do not want any to get in contact with the plastic.wheel/arm.

Phil

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HelicopterMain Discussion › what could have caused these servo horns to strip
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