RunRyder - Ion main shaft collar slipped

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e-Miniature Aircraft Furion - Razor - Ion-X > Ion main shaft collar slipped

Chachin
Senior Heliman
Location: Cape Canaveral, FL

Hello guys,

I've never had these main shaft collars slip until recently at the SEFF event (yeah events make you fly harder). I didn't really notice it until I went to pick up the heli and felt that the main shaft could shift up and down quite a bit

. Luckily it didn't slip enough to cause the tail gear to disengage.

After that I made sure the collars were tightened down hard and they're holding up fine now. I thought I read cgbole doubled up on these collars at some point, which I was thinking of doing myself. Just curious, how many of you Ion flyers have had to double up on these or have had slippage?

I'm thinking this will be a must when I'm ready to go 14S.

Chachin..

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06-11-2008 04:22 PM

cgbole
Veteran
Location: tulsa ok

Yep... Mike was test flying the E Stratus and it slipped on an inverted punch out. Misskimo told me he doubled up the lower collar.
So i did the same and never had the problem again. Also, the collars are bad about splitting where the threads go through. it'll be a very small crack you prob won't see unless you are looking for it. I was told it was because i tightened it too much..
chuck

Synergizer flybarless and.... E-T 700..... TP Kicks ...........

06-11-2008 06:17 PM

MrMel
Elite Veteran
Location: Lidingo, Sweden

Problem with the collar is like Chuck saying, if you tighten them too much they will crack instantly.

Turn until it stop and turn another 1/4 turn max, I have never had a slip since I started to tighten them less...

Team Autopartner - Team pilot

06-11-2008 07:03 PM

Tracy Tran
Senior Heliman
Location: Sugar Land, Texas 77478

I had a crashed with my Ion-X last three weeks. After spooling up inverted, The heli was spinning around in mid-air and hitted the ground. I checked the lower colar and slipped up the main shaft for about 1/4-inch. I lost all the teeths on a crown gear. I don't know if this due to colar slipped up. I will try to post pictures up tonight.

06-11-2008 08:13 PM

doublah
Senior Heliman
Location: USA

For the bottom collar on the Ion main shaft I run two. Never had mine slip with two. Tracy Tran sorry about you accident.

VBlades
Thunder Power
RCCustomPainting.com

06-11-2008 09:37 PM

Chachin
Senior Heliman
Location: Cape Canaveral, FL

Thanks for the very useful info guys. That's exactly what happened to me. It seemed like it was only the bottom collar that had slipped but since I wasn't 100% sure, I retightened both. Hopefully I didn't overtighten them now, but I tried not to over do it.

I will be ordering 3 new collars for the Ion next time to double them up at the bottom. Thanks again.

Chachin..

PS: Sorry to hear about the crash Tracy

. The lower collar slip will allow for less tooth contact on the crown gear. This makes it more prone to stripping. This is why I think I was extremely lucky that day.

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06-12-2008 05:18 PM

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e-Miniature Aircraft Furion - Razor - Ion-X > Ion main shaft collar slipped

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