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Old Jan 10, 2013, 01:52 AM
Precision Aerobatics Team
demonGti's Avatar
South Africa, GP, Randburg
Joined Dec 2006
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No thanks JPF. the ally is like a crumple zone if you have a mishap.
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Old Jan 10, 2013, 02:34 AM
Grumpy old git.. Who me?
JetPlaneFlyer's Avatar
Aberdeen
Joined Mar 2006
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Quote:
Originally Posted by demonGti View Post
No thanks JPF. the ally is like a crumple zone if you have a mishap.
If you want a weak link to reduce chance of bent shafts then use a wood prop.

Each to his own but i prefer my collets to stay on the shaft. In fact I'd rather have to replace a shaft now and again than keep loosing props, not that I've found shaft bending to be an issue when using the Hacker collet.
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Old Jan 10, 2013, 02:49 AM
how'd I do that....oh
chop stiX's Avatar
South Africa, GP, Pretoria
Joined May 2011
2,260 Posts
Oh just to mention,it wasn't my collet that came loose.I pulled the whole shaft out my motor,so def not the PA collet that failed at all,I find no problem with the PA collets
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Old Jan 10, 2013, 03:17 AM
Precision Aerobatics Team
demonGti's Avatar
South Africa, GP, Randburg
Joined Dec 2006
2,031 Posts
Quote:
Originally Posted by JetPlaneFlyer View Post
If you want a weak link to reduce chance of bent shafts then use a wood prop.

Each to his own but i prefer my collets to stay on the shaft. In fact I'd rather have to replace a shaft now and again than keep loosing props, not that I've found shaft bending to be an issue when using the Hacker collet.
I fly vox props on all my planes. ,,, and my PA collets DO stay on the shafts.
Indeed, each to his own.
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Old Jan 10, 2013, 03:19 AM
Precision Aerobatics Team
demonGti's Avatar
South Africa, GP, Randburg
Joined Dec 2006
2,031 Posts
Quote:
Originally Posted by chop stiX View Post
Oh just to mention,it wasn't my collet that came loose.I pulled the whole shaft out my motor,so def not the PA collet that failed at all,I find no problem with the PA collets
Lets not confuse the issue any further and make it clear that the motor in your AMR is not a Thrust 40
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Old Jan 10, 2013, 05:20 AM
how'd I do that....oh
chop stiX's Avatar
South Africa, GP, Pretoria
Joined May 2011
2,260 Posts
Quote:
Originally Posted by demonGti View Post
Lets not confuse the issue any further and make it clear that the motor in your AMR is not a Thrust 40
Thanx for mentioning
forgot to mention
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Old Jan 10, 2013, 07:30 AM
Grumpy old git.. Who me?
JetPlaneFlyer's Avatar
Aberdeen
Joined Mar 2006
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Quote:
Originally Posted by demonGti View Post
I fly vox props on all my planes. ,,, and my PA collets DO stay on the shafts.
Indeed, each to his own.
To be fair on the AMR personally I also never had any problem with generic ally type collet adapters, though from the posts here plenty have had issues. It's on higher power planes that I've found the ally ones just arent up to the job at all. Out of preference I'd go for the Hacker ones anyway as they are just better quality bits of kit IMHO.
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Old Jan 10, 2013, 08:44 AM
They Call him Dead!
YellowJacketsRC's Avatar
United States, SC, Pawleys Island
Joined Jul 2003
7,013 Posts
I hate collets. I hate front mounted motors. I have never had any kind of problem with X mount. I have lost collets on my T 40. I have bent a zillion shafts. PITA!!!!!
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Old Jan 10, 2013, 09:34 AM
DFC~ We Do Flyin' Right
bsbauman's Avatar
USA, GA, Atlanta
Joined Nov 2008
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I am a huge fan of bolt-on...
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Old Jan 10, 2013, 01:34 PM
Grumpy old git.. Who me?
JetPlaneFlyer's Avatar
Aberdeen
Joined Mar 2006
11,984 Posts
Quote:
Originally Posted by bsbauman View Post
I am a huge fan of bolt-on...
Yeah, me too... but if it has to be a collet use the Hacker one
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Old Jan 12, 2013, 11:54 PM
If it's to be, it's up to me.
subsonic's Avatar
Sydney, Australia
Joined Jan 2007
3,115 Posts
Quote:
Originally Posted by JetPlaneFlyer View Post
Yeah, me too... but if it has to be a collet use the Hacker one
I prefer bolt ons too, in addition to being more secure, they wick heat away better too.

That said, I've never lost a collet since learning how to install them properly. Remember. It's the balance of wet and dry friction that secures the connection.

- The motor shaft must be clean (ensure you remove the oil that's present on all new motor shafts)
- The collet 5mm ID must be clean too. There is always oil in these too from the machining operation or packaging.
- The tapered cone must be lightly lubed or it can't push the collet ID onto the motor shaft with enough pressure
- The nut and threads must be lightly lubed also or the prop and outer cone will slip before there is enough tension.

I've seen some collets that have developed ridges on the tapers from over tightening. They never work once they start to look like that and need to be re lapped / replaced.
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Old Jan 13, 2013, 10:49 AM
DFC~ We Do Flyin' Right
bsbauman's Avatar
USA, GA, Atlanta
Joined Nov 2008
14,612 Posts
Thats just a PIA

with many others, you can simply slide on and bolt down, and forget about it.
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Old Jan 13, 2013, 05:00 PM
inverted-i-fly
3drcparts's Avatar
United States, CA, Petaluma
Joined Mar 2011
4,442 Posts
new collet works perfect today and I have to say I love the xoar 14x7 on this plane way more than the vox 13x7 that flew off, this is a fun plane, really really easy to fly and look good doing so.
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Old Jan 13, 2013, 05:40 PM
The Earth got in the way!
kuczy's Avatar
United States, OH, Canal Winchester
Joined Feb 2007
6,287 Posts
14x7 VOX or Xoar is the only way to go. Speed and thrust is perfect.
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Old Jan 14, 2013, 12:14 AM
how'd I do that....oh
chop stiX's Avatar
South Africa, GP, Pretoria
Joined May 2011
2,260 Posts
I flew 13x6.5 VOX before the shaft went flying and was ample power aswell
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