[NSRCA-discussion] Nose-Rings: O-ring replacement forCHnosering?

[Ron Van Putte]

What a great idea!  It appeals to my inner Scot.  My mother was born  
in Scotland.

What's the thickness of the rubber sheet stock?

Ron Van Putte

On Aug 8, 2007, at 9:33 PM, rcmaster199 at aol.com wrote:

> For those inclined to get "primitive" as Jim put it, here's what  
> has worked for me:
>
> I use a tool designed for circle cuts mounted in a drill press, to  
> cut the ID in rubber sheet stock. I measure the engine's front  
> block and then adjust the tool to give me the exact cut.
>
> The sheet is then cut in the form of a nose ring in my band saw,  
> leaving about 3/16" edge all around, and "ears" at the mounting  
> locations. Takes about 15 minutes of work and voila, the exact fit  
> one needs and the whole thing is made of rubber
>
> MattK
>
>
> -----Original Message-----
> From: Mike Hester <kerlock at comcast.net>
> To: NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
> Sent: Wed, 8 Aug 2007 11:43 am
> Subject: Re: [NSRCA-discussion] Nose-Rings: O-ring replacement  
> forCHnosering?
>
> Well after Vaughn told me the same thing, I mic-ed the 2 motors I  
> had and they are indeed different, that's why there is no standard  
> O ring that makes it all happy. So, a few minutes with a dremel and  
> a lot of patience seems to be the answer. Just keep it round =)
>
> On that same note, I made the mistake early on of using the nose  
> ring as-is. It may as well had been hard mounted. Everything on the  
> plane shook loose....screws, adjusters, rattled the antenna out of  
> the tube, you name it. Cost me a set of servos before I had that  
> conversation and fixed it.
>
> "Don't be that guy"....LOL
>
> -Mike
>
> ----- Original Message -----
> From: Woodward, Jim
> To: NSRCA Mailing List
> Sent: Wednesday, August 08, 2007 12:36 PM
> Subject: Re: [NSRCA-discussion] Nose-Rings: O-ring replacement  
> forCHnosering?
>
> Thanks Mike,
>
> I can get primitive on the O-ring J   I was hoping for a McMaster  
> Carr P/N.  If I find one, I think it would be a good idea for  
> Central to supply two sizes of O-rings with unit to ensure it fits  
> the motors.
>
> Thanks,
> Jim
>
>
> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca- 
> discussion-bounces at lists.nsrca.org] On Behalf Of Mike Hester
> Sent: Wednesday, August 08, 2007 12:32 PM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] Nose-Rings: O-ring replacement for  
> CHnosering?
>
> After much discussion, trial and error, the "fix" to this is to  
> gently remove material from the O ring with a dremel and large drum  
> sander, until it is a slip fit. You don't want it sloppy, but it  
> should slide on and off without having to force it. Install with  
> some lithium grease and you're all set! I've had to do a ton like  
> this.
>
> -Mike
>
> ----- Original Message -----
> From: Woodward, Jim
> To: NSRCA Mailing List
> Sent: Wednesday, August 08, 2007 12:26 PM
> Subject: [NSRCA-discussion] Nose-Rings: O-ring replacement for CH  
> nosering?
>
> Hi Guys,
> A while back Clayton Foster was making the CFE nose-rings and they  
> always seemed to fit perfectly – snug but allows the engine to  
> still rock back and forth.  I understand now that he is no longer  
> making them, and that the Central Hobbies Nose-ring was supposed to  
> be a replacement for it.  I have had several of the CH nose-rings  
> and they fit so tightly as to form nearly a welded lock of the  
> rubber to the motor.  I’m not opposed to making my own nose-rings,  
> but I actually like the idea of being able to purchase something  
> and use it once in a while too.
> Has anyone found a P/N or different size O-ring to make these units  
> fit the YS correctly?  After just speaking to Vaughn, he felt that  
> the YS dimensional variances were too much to deal with so they  
> shot for the middle ground.  If anyone has spec’d or tried a new o- 
> ring for this device and could pass it along that would be great.
> Thanks,
> Jim
>
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