[NSRCA-discussion] O-Ring for Hatori Short Pipe

[John Konneker]

I got the McMaster Carr ones this evening.  They are NOT the same as the originals but they may work.
The McMC's are slightly larger ID and OD when compared up against what came with the 821 muffler.
But, when you put it in the muffler it compresses it down to the same friction feel as the Hatori.
I am going to run it tomorrow and see how it does.
Joe Dunnaway has some US dimensioned "O" rings that work.  He will get ahold of a measuring device in the next
day or two and let us know what the measurements are.
JLK


From: vicenterc at comcast.netTo: nsrca-discussion at lists.nsrca.orgDate: Fri, 27 Jun 2008 00:56:38 +0000Subject: Re: [NSRCA-discussion] O-Ring for Hatori Short Pipe
That is 15.47 mm ID and 22.53 OD.  It is close to 15 and 22 mm.  Let us know if works in the long run.  
 
Thanks,
 
--Vicente "Vince" Bortone
 
-------------- Original message -------------- From: "Richard Lewis" <humptybump at sbcglobal.net> 





I bought 9464K67 from McMaster
 
Viton O-Ring, 5/8 x 7/8 (Actual 0.609 I.D. and 0.887 O.D.) 
 
They are somewhat harder than the original, but the size seems perfect.
 
I’m using it now, but only have about 10 flights on it.  So far so good, no evidence of leaks at all.  These also fit the MK tailwheel hub nicely..:)
 
We looked up the metric ones, but I did not think any of the metric dims were close enough…Let us know how the metrics work out for you.
 
Richard Lewis
 




From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of John KonnekerSent: Thursday, June 26, 2008 2:26 PMTo: General pattern discussionSubject: Re: [NSRCA-discussion] O-Ring for Hatori Short Pipe
 
I just ordered some of these from McMaster Carr.  I should have them tomorrow.Maybe someone can comment if these are the ones to use.





9263K772 


Metric Viton O-Ring 3.5 mm Width, 16 mm ID, Packs of 10 (Same as 9263K11)

 

 
JLK



Date: Thu, 26 Jun 2008 15:03:39 -0400From: atwoodm at paragon-inc.comTo: nsrca-discussion at lists.nsrca.orgSubject: [NSRCA-discussion] O-Ring for Hatori Short Pipe
Can someone direct me to a source (or several) for replacement o-rings to connect the Hatori 821 short pipe to the Hatori 822 header?  Central is out of the authentic Hatori O-rings and won’t have more for a while.  Is there another source, or a suitable replacement available?  Thanks,Mark
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--Forwarded Message Attachment--From: humptybump at sbcglobal.netTo: nsrca-discussion at lists.nsrca.orgSubject: Re: [NSRCA-discussion] O-Ring for Hatori Short PipeDate: Fri, 27 Jun 2008 00:32:00 +0000_______________________________________________NSRCA-discussion mailing listNSRCA-discussion at lists.nsrca.orghttp://lists.nsrca.org/mailman/listinfo/nsrca-discussion
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