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HelicopterAvant RC Avant Aurora - Mostro › A lot of plastic parts in the tail...
06-02-2010 06:59 PM  7 years agoPost 1
Justin Stuart (RIP)

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Plano, Texas

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I have been working on my e-Aurora, and I am very happy with it from the tip of the canopy all the way back to the shaft which holds the tail. But from there backwards, I have some concerns. I noticed that there are a lot of plastic parts in the tail mechanism which I am not too comfortable with. For example, the ball that goes into the tail bellcrank easily stripped the plastic thread out. Same thing happened with the pitch slider. I guess I have to use CA to hold the ball in place? Is this normal? Are these plastic parts really durable enough?

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06-02-2010 07:07 PM  7 years agoPost 2
Ronald Thomas

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Gainesville, Fl, USA

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I opted to use the plastic tail as the nitro Avany has the same setup and I didn't read about any problems with those I guess any upgrade that uses a 6mm shaft would be an option. The Trex 600/700 Quick UK is 5mm so it is out. I am unsure about the Kasama one though.......Ron

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06-02-2010 07:11 PM  7 years agoPost 3
Justin Stuart (RIP)

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Plano, Texas

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Ron, did you have any trouble with the balls stripping out the plastic threads anywhere on the tail? Did you use CA to hold them in?

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06-02-2010 07:19 PM  7 years agoPost 4
stang281472

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Commack, NY

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Plastic parts in tail

Been flying my nitro aurora for 2 years and never had any problem with anything being plastic. Recently got a second one and it's built stock also and again no problems. Also know of about 7 others locally flying auroras and nobody is having any issues with plastic parts in tail.

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06-02-2010 07:20 PM  7 years agoPost 5
Ronald Thomas

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Gainesville, Fl, USA

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No, no trouble at all. I did use CA. I threaded the ball, removed it and applied ca to the inside and re-inserted the ball.......Ron

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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06-02-2010 07:42 PM  7 years agoPost 6
Justin Stuart (RIP)

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Plano, Texas

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I don't know how I could have threaded anything"wrong". On the bellcrank, I gently screwed the ball into the hole, and out came all of the threads as a black clump on the end of the ball. Now the ball is no longer held in the hole by anything. It just spins around. Maybe I need to send the bellcrank back to Avant?

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06-02-2010 07:47 PM  7 years agoPost 7
Ronald Thomas

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Gainesville, Fl, USA

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Yeah I wouldn't use it. I am sure Augusto will take care of it. He got me another Sprag bearing

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06-02-2010 10:46 PM  7 years agoPost 8
Jason Bell

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California

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When threading any metal part into a plastic part that is unthreaded you need to apply pressure when screwing it into the plastic to make the threads, from there you can take it out and apply CA or loctite. The avant plastic is much harder than other plastics you see in other kits, and most loctite manufacturers state on the bottle that it is safe to use on most plastics.

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06-02-2010 11:02 PM  7 years agoPost 9
bob00

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Toronto, ON

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Justin,

As Jason said the plastic is hard so it is often better to make the threads, then remove the part, apply locking compound where called for then install the part for the final time. I did damage a couple of the plastic parts when working with them for the first time but none since.

As for durability - my oldest aurora is almost 5 years old and has a lot of flights - we stopped counting at 1200. The plastics have not been a problem.

FWIW the plastic parts held up very well in my e-Aurora crash test last fall.

- Rob

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06-03-2010 02:56 AM  7 years agoPost 10
Jody

rrApprentice

Australia

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The plastic used in Avant kits is the best plastic formula I have come across to date in RC Helis.

The tail plastic parts have caused me Zero issues to date also (2 yrs)

Regards

Jody

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06-03-2010 03:05 AM  7 years agoPost 11
Justin Stuart (RIP)

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Plano, Texas

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Well, as I screwed the balls into the plastic t/r bellcrank, it never even got snug. It simply screwed in and then spun around and around. Same thing with the pitch slider. Anyways, I had already ordered some of the 26mm spacers to put between the landing gear, and Augusto said he was going to send me another bellcrank and pitch slider with the balls already installed.

You know, I really like Avant customer service. It is such a pleasure to build a helicopter which is one person's creation. Augusto is always really nice to me. Just makes me so glad I waited and didn't buy a Trex 700E. I am really proud to fly Aurora.

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06-03-2010 07:37 AM  7 years agoPost 12
Blax1

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Sydney Australia

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I've had my nitro two years as well now, no trouble with the TR either even though I was the one b!tching it should be metal..

On mine I used a phillips head screw with the same thread pitch, I used this to cut and tap the thread first applying down ward pressure all the time , then screwed the ball in afterwards.


I'm on a roll now...Hope it helps...

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06-03-2010 11:17 AM  7 years agoPost 13
kazager

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Waldorf, MD - USA

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I had already ordered some of the 26mm spacers to put between the landing gear
I was thinking about getting 4 of these and welding an aluminum tab between 2 of them to make an "H" (for both front & rear mount) so it couldn't spin. Did you order 4 spacers?

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06-03-2010 12:36 PM  7 years agoPost 14
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I ordered 4 of the spacers and I will use them instead of the lock nuts on the inside of the frame. This will achieve 2 purposes. #1. It will reinforce that portion of the frame in the even of a botched auto, and #2. It will make it easier to take the landing gear on and off. You will notice, however, that the landing gear compress the frame just a little bit. I will have to file about 1/2mm from the channel inside the landing gear for this mod to work.

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06-03-2010 01:56 PM  7 years agoPost 15
kazager

rrApprentice

Waldorf, MD - USA

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Do you think it's better to file the gear, or shorten the spacers a little?

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06-03-2010 01:58 PM  7 years agoPost 16
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I think it would be better to file the gear rather than to file the spacers. The spacers will come from the factory with square edges. The gear are plastic and will be easier to file down. We're only talking a fraction of a millimeter on both sides.

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06-04-2010 12:12 AM  7 years agoPost 17
helidon

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Escondido Calif. United States

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I shortened mine in a lathe so they had a snug fit.

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06-04-2010 02:40 AM  7 years agoPost 18
Justin Stuart (RIP)

rrMaster

Plano, Texas

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So then you put spacers between your landing gear as well?

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06-04-2010 05:42 AM  7 years agoPost 19
helidon

rrNovice

Escondido Calif. United States

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Yes between the landing gear. 4 spacers total.

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HelicopterAvant RC Avant Aurora - Mostro › A lot of plastic parts in the tail...
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