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landing gear

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mojavjoe

Joined: 23 Dec 2013
Posts: 64

Posted: Sat Jul 26, 2014 4:02 am Post subject: landing gear

I'm trying to attach my aluminum gear leg to the axle fitting but it will only go a half inch or so into the fitting.  I'm assuming that I need to heat the fitting to expand it but before I do would someone please advise me.

  

 thanks



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Rex Rodebush

Joined: 10 Jan 2006
Posts: 209
Location: Branson West area, Missouri

Posted: Sat Jul 26, 2014 8:55 am Post subject: Re: landing gear

I installed the steel legs on my Xtra.  Had to use a flapper wheel with extensions to slowly work the legs into the leg tubes.

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Frankd

Joined: 28 Mar 2008
Posts: 64

Posted: Sun Jul 27, 2014 3:04 pm Post subject: Re: landing gear

Hi guys, 

I have a MkIII Xtra and I have never had to use heat to get the axle fittings on or the legs into or out of the fuselage tubes.. 



I originally had the aluminum gear legs and then switched over to the steel gear.   

I would certainly recommend the steel gear legs for the Xtra.  I did put lots of grease on the legs before sliding them into the tubes  and I think I did the same to the axle fittings.  

If you switch to the steel gear be careful to install left and right correctly,  they are marked and it does make a difference. 



Maybe the Aluminum legs were not machined to the correct size for the axle fittings? I would check with the factory for size and advice before using heat.  I think that would only stress the parts unnecessarily. 



FrankD

N1014S.

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rmurrill(at)cox.net
Guest

Posted: Sun Jul 27, 2014 6:42 pm Post subject: landing gear

Talking to Kolb folks and figuring out what is wrong with the bores and 

diameters and fixing them would clearly be the first approach.  If you must 

thermal fit, dry ice makes a lot more sense than heat.  The thermal 

expansion coefficient for the Al is double that of the steel.



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