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New Kitfox Owner

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Ken Potter

Joined: 18 Aug 2007
Posts: 85
Location: Lanark, Ontario

Posted: Sat Oct 13, 2007 3:44 am Post subject: New Kitfox Owner

Hi Folks;



I've recently purchased a 90 % complete kitfox II which is finished to the point of painting (which I've started).  The kit was built by one of my neighbours with superb workmanship. It literally came with everything (including paint) to finish to the point of test flying. I'll probably have numerous questions and this is the first. 



The plane came with a new Rotax 582 with c box.  I note that the engine attaches to its mounts with what I believe are 8mm bolts however the bolts which came with the kit are not AN and are not drilled for lockwires. Can anyone tell me what the normal practice for these bolts as I am not comfortable with lockwashers and locktite in this critical application.

Is there there a metric equivalent to AN??



Regards

Ken Potter

Lanark, Ontario.

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henrysfork1(at)msn.com
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Posted: Sat Oct 13, 2007 4:42 am Post subject: New Kitfox Owner

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]-->  Ken my model II came with the AN bolts with lock nuts for the  motor mounts.

  

 Dee Young

 Model II 

  

 Do not archive 

 [quote]   ---

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Ken Potter

Joined: 18 Aug 2007
Posts: 85
Location: Lanark, Ontario

Posted: Sat Oct 13, 2007 5:01 am Post subject: Re: New Kitfox Owner

The bolts which attache the mounts to the rails are drilled AN with nuts and pins.  The bolts which go from the mount however into the blind holes on the engine are the ones I am describing. 



Cheers



Ken

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henrysfork1(at)msn.com
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Posted: Sat Oct 13, 2007 5:12 am Post subject: New Kitfox Owner

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]-->  Sorry, don't have the 582

 [quote]   ---

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Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Sat Oct 13, 2007 5:32 am Post subject: New Kitfox Owner

At 04:44 AM 10/13/2007, you wrote:

 	  Quote: 	
		  Can anyone tell me what the normal practice for these bolts as I am 

not comfortable with lockwashers and locktite in this critical application.


	


I'm guessing you're talking about the "side mount" versus the "bottom 

mount" that uses the four big studs coming out of the bottom of the 

case. I'm also guessing you're talking about the fairly short bolts 

holding the four individual "T's" onto the case. These T's have lord 

mounts that sit on the side rails of the engine mount, right?



I can't tell you what "normal practice" is but I run with lock 

washers and Loctite, and have not had a problem. Note, however, I'm 

doing that only because I DIDN'T THINK OF IT. < Now that you 

mention it, I'll pull the bolts and drill and safety wire them.



There are metric aircraft bolts, NA series, but a class 8.8 bolt has 

equivalent strength and is probably what you've been provided. (It's 

stamped 8.8 on the head.) A quick Google didn't reveal any obvious 

sources for metric aircraft fasteners or drilled heads, but I did 

find www.metricsunlimited.com which seemed to have nearly every 

metric fastener known to man. Also, CPS (California Power Systems, 

www.800-airwolf.com) sells drilled head M8's for prop bolts. They may 

have a source, or may drill themselves.



Let us know if you find a source for NA series bolts or drilled metrics.



Thanks,

Guy Buchanan

San Diego, CA

K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.

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A glider pilot too.

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sat Oct 13, 2007 7:02 am Post subject: Re: New Kitfox Owner

Ken, I am Near London Ontario. 



drop me a email  dave (AT) cfisher.com 



with your Phone number And i will call you up. 



The early Kitfoxes used the rotax studs on bottom of crankcase to the engine plate. Whereas the IV used the side mount with lord mounts which I have in stock. 



Dave

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