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Tri Gear Main Wheels

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Kelvin Weston

Joined: 14 Apr 2010
Posts: 90
Location: Hampshire, UK

Posted: Fri Oct 30, 2015 9:53 am Post subject: Tri Gear Main Wheels

Hi All



Just fitted the Tri Gear main wheels to the main gear legs for the first time.

However, the slotted main axle nut spins on so far that it is completely clear of the pre-drilled split pin hole. Picture attached.



Anyone else have this problem?



I assume the answer is to drill a new hole for the split pin but how easy will that be in the hardened steel axle.

I have a pillar drill and some cobalt drills but have experienced problems with hardened steel before.



Any advice on a solution?

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_________________
Regards

Kelv Weston
Kit 497
kelv@kdweston.co.uk

Richard Wheelwright

Joined: 15 Sep 2008
Posts: 111
Location: Halifax, West Yorkshire, UK

Posted: Fri Oct 30, 2015 10:15 am Post subject: Tri Gear Main Wheels

How about just adding another washer behind the nut



Sent from my iPhone



 	  Quote: 	
		   On 30 Oct 2015, at 17:53, Kelvin Weston <kelv(at)kdweston.biz> wrote:

 

 

 

 Hi All

 

 Just fitted the Tri Gear main wheels to the main gear legs for the first time.

 However, the slotted main axle nut spins on so far that it is completely clear of the pre-drilled split pin hole. Picture attached.

 

 Anyone else have this problem?

 

 I assume the answer is to drill a new hole for the split pin but how easy will that be in the hardened steel axle.

 I have a pillar drill and some cobalt drills but have experienced problems with hardened steel before.

 

 Any advice on a solution?

 

 --------

 Regards

 

 Kelv Weston

 Kit 497

 kelv(at)kdweston.biz

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=448386#448386

 

 

 

 

 Attachments: 

 

 http://forums.matronics.com//files/axle_117.jpg

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_________________
Richard Wheelwright
G-IRPW
First Flight 24th July 2013

hagargs(at)earthlink.net
Guest

Posted: Fri Oct 30, 2015 11:07 am Post subject: Tri Gear Main Wheels

Make a spacer dude!



--

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rlborger(at)mac.com
Guest

Posted: Fri Oct 30, 2015 12:34 pm Post subject: Tri Gear Main Wheels

Keiv,

Go to ACS or one of the wheel/brake manufacturers (MATCO, etc.) and obtain suitable spacers.



Blue skies & tailwinds,Bob BorgerEuropa XS Tri, Rotax 914, Airmaster C/S Prop (75 hrs).Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP3705 Lynchburg Dr.Corinth, TX  76208-5331Cel: 817-992-1117rlborger(at)mac.com (rlborger(at)mac.com)



 	  Quote: 	
		  On Oct 30, 2015, at 6:53 PM, Kelvin Weston <kelv(at)kdweston.biz (kelv(at)kdweston.biz)> wrote:

--> Europa-List message posted by: "Kelvin Weston" <kelv(at)kdweston.biz (kelv(at)kdweston.biz)>Hi AllJust fitted the Tri Gear main wheels to the main gear legs for the first time.However, the slotted main axle nut spins on so far that it is completely clear of the pre-drilled split pin hole. Picture attached.Anyone else have this problem?I assume the answer is to drill a new hole for the split pin but how easy will that be in the hardened steel axle.I have a pillar drill and some cobalt drills but have experienced problems with hardened steel before.Any advice on a solution?--------RegardsKelv WestonKit 497kelv(at)kdweston.biz (kelv(at)kdweston.biz)

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Kelvin Weston

Joined: 14 Apr 2010
Posts: 90
Location: Hampshire, UK

Posted: Fri Oct 30, 2015 12:54 pm Post subject: Re: Tri Gear Main Wheels

Hi Richard



I did consider packing it out with washers but the newer nut design, with the integral flange, does not specify the use of any washers.

I believe the integral flange of the nut is being used to stop the bearing grease seal rotating and I was a little concerned that this might not be achieved with a stack of washers.

The MATCO procedure is to tighten the axle nut until the grease seal does not rotate, although Europa specify a torque value of 150 in lbs for the nut in the build manual.

I will try a stack of washers or a spacer and see what happens.

If I can achieve the stationary grease seal then it is certainly easier than drilling the axle.



Thanks for the reply.

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_________________
Regards

Kelv Weston
Kit 497
kelv@kdweston.co.uk

AirEupora

Joined: 01 Nov 2009
Posts: 186
Location: Dixon, CA

Posted: Sat Oct 31, 2015 5:36 am Post subject: Re: Tri Gear Main Wheels

If you do have to drill get a large number of cobalt drills  and start with the small number 40 or smaller.  Then drill it out to sized.  It took me two or three hours with a hand drill.



Rick Stockton

N120EJ

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