[NSRCA-discussion] O-Ring for foamy's?

[John Konneker]

Hey Mark,
If we're talking about F3-P planes on up to about 16 oz I use a rubber band.  I get them by the bag at WalMart.
You have to double or triple the twists but they work really good and don't dry rot and break after sitting like the 
purpose bought ones do.
JLK



Date: Mon, 14 Jul 2008 13:37:14 -0400From: atwoodm at paragon-inc.comTo: nsrca-discussion at lists.nsrca.orgSubject: [NSRCA-discussion] O-Ring for foamy's?
While we’re on the o-ring subject, any one have a good part number for the o-rings we use to hold props on the foamy’s?-MOn 7/14/08 8:39 AM, "John Konneker" <jlkonn at hotmail.com> wrote:
I have about 50 flights on one with no problems.Probably change it just before I leave for the Nats.JLK

Date: Mon, 14 Jul 2008 08:14:46 -0400From: jim.woodward at baesystems.comTo: nsrca-discussion at lists.nsrca.orgSubject: Re: [NSRCA-discussion] O-Ring for Hatori Short PipeAny reports on this McMaster Carr O-ring?Thanks,Jim



From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of vicenterc at comcast.netSent: Thursday, June 26, 2008 9:42 PMTo: General pattern discussionSubject: Re: [NSRCA-discussion] O-Ring for Hatori Short PipeGood.  Check that O-ring and let us know if works for you.Thanks,--Vicente "Vince" Bortone
-------------- Original message -------------- From: John Konneker <jlkonn at hotmail.com> Yes, it's Viton.I got the DVD today.  I had forgotten all about it!!!!Didn't remember it until I opened the envelope.Gettin' old!:-)JLK



From: vicenterc at comcast.netTo: nsrca-discussion at lists.nsrca.orgDate: Fri, 27 Jun 2008 01:29:33 +0000Subject: Re: [NSRCA-discussion] O-Ring for Hatori Short PipeJohn,Probably is going to work.  It gets so hot that the material expand and could be OK.  Is the material you got Viton?Thanks,--Vicente "Vince" Bortone
-------------- Original message -------------- From: John Konneker <jlkonn at hotmail.com> 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 nextday 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 PipeThat 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 McMasterViton 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 PipeI 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 <http://www.mcmaster.com/nav/enter.asp?partnum=9263K772&pagenum=3390>  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,MarkNo virus found in this incoming message.Checked by AVG.Version: 7.5.524 / Virus Database: 270.4.1/1515 - Release Date: 6/23/2008 7:16 PMNo virus found in this outgoing message.Checked by AVG.Version: 7.5.524 / Virus Database: 270.4.1/1515 - Release Date: 6/23/2008 7:16 PM
--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--Forwarded Message Attachment--From: jlkonn at hotmail.comTo: nsrca-discussion at lists.nsrca.orgSubject: Re: [NSRCA-discussion] O-Ring for Hatori Short PipeDate: Fri, 27 Jun 2008 01:25:29 +0000_______________________________________________NSRCA-discussion mailing listNSRCA-discussion at lists.nsrca.orghttp://lists.nsrca.org/mailman/listinfo/nsrca-discussion

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