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Home✈️Aircraft🚁HelicopterAlignOther › Starter coupling
05-27-2007 11:12 PM  13 years ago
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tcast305

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Miami, Florida

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Starter coupling
Well I got 8 more flights today (pretty much a gallon of fuel, 2nd gallon so far).

Everything worked pretty well until my starter coupling on the heli decided to STRIP!

The starter shaft I been using was a brand new JR 6mm start shaft (JRP960090) that clamps right on my Hobbico torquemaster 180 starter shaft. The metal used in the Align starter coupling looks soft. My temp fix for it was just to put a lil bit of paper in the starter coupling to raise the contact area where the start shaft catches. However I can already see that it will happend again as the metal is soft and it shows lil indents were the starter shaft catches.

Anyone know if another heli's starter coupling with work without issues? Or should I try something else?

Thanks.
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05-27-2007 11:22 PM  13 years ago
gordo high

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down yonder in the south

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Tcast, I have started mine about a dozen times and I don't see any wear at all, still black and all the edges are perfect.

Maybe your shaft is not fitting good. A small amount of play will tear it up, and mine is a tight fit. I am using a drill, and I cut the end off of an allen wrench with the ball end, works great.
Honey, I just need this one more thing and then I'm set..
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05-27-2007 11:31 PM  13 years ago
tcast305

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Miami, Florida

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gordo high,

I try another starter shaft too. I have a 6mm allen key and the ball of it is much better shaped than the JR starter shaft and catches better too.

Thanks for the response.
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05-28-2007 06:08 PM  13 years ago
lightningrc

rrElite Veteran

UK

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Your better off not using the ball end ones or cut the ball off , much more likely to wear the shaft and starter out , a straight 6mm hex goes straight in no problem.
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05-28-2007 06:24 PM  13 years ago
mlevings

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Claremore, OK

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The JR start shafts can vary quite a bit. I have gotten one that was so small that it spun on the first start. I just picked one up a couple of weeks ago from my lhs that will not even fit in the coupling. You may have just gotten a out of spec start shaft.
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05-29-2007 12:40 AM  13 years ago
tcast305

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Miami, Florida

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mlevings, I think your right, cuz I picked up a thunder tiger start shaft is it fits better. Also on the JR one the ball is alot rounder than the TT or my allen keys (ball ends) I have, which have flat spots on the ball.

I'll see how long the coupler will last. I still think it needs to be harden a lil better.

lightningrc,

Yes I tried a 6mm hex and it slides right in. However, I dont have any, if the TT shaft fails I might just have to get a long 6mm hex shaft.

Hopefully parts will be available soon, other than that I got 5 more flights today.

This heli rocks. My 6s and 10s 600 have been collecting dust.

Thanks.
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