[NSRCA-discussion] Engine problem

[Ron Van Putte]

On Aug 26, 2006, at 7:55 PM, <jivey61 at bellsouth.net> wrote:

> Nat
>  Isn't the glow plug a 10-28, not a 10-32??????

Actually, I think it's neither.  I think that glow plug threads are  
1/4-32.

Ron Van Putte
> ----- Original Message -----
> From: Nat Penton
> To: NSRCA Mailing List
> Sent: Saturday, August 26, 2006 6:31 PM
> Subject: Re: [NSRCA-discussion] Engine problem
>
> MattK
> You have just pointed out the easy way to square up the head where  
> the glow plug seats. Take a headless 10-32 bolt and screw into the  
> glow openning from the bottom. Use a lock nut if possible. Chuck  
> the bolt in the lathe and cut the glo washer seat. Who do I bill  
> for this ?
> ----- Original Message -----
> From: Rcmaster199 at aol.com
> To: nsrca-discussion at lists.nsrca.org
> Sent: Saturday, August 26, 2006 2:05 PM
> Subject: Re: [NSRCA-discussion] Engine problem
>
> Are there end mill bits available with a square central locating  
> shoulder built in? Seems that may be the easiet way to get what  
> Earl suggests. Another two step approach might be to use drill rod  
> that just fits the hole as the locator first, locking the head down  
> in the fixture, then switching to the bit and touching the surface  
> to square.
>
> MattK
>
> In a message dated 8/26/2006 1:49:06 PM Eastern Standard Time,  
> johnferrell at earthlink.net writes:
> I hate to bug Clarence with the problem. Since the engine runs well  
> the only real problem is it slobbers on the airplane.
>
> I have a Lathe and Mill in the shop. Set up will be tricky, the  
> plug is pretty deeply recessed. The risk to the threads by using a  
> pilot rod in the hole is high.
>
> I believe I will anneal a plug washer and try a little of the  
> liquid gasket goo. If that don't solve the problem I will just  
> accept the mess.
>
> John Ferrell    W8CCW
> "My Competition is not my enemy"
> http://dixienc.us/
> ----- Original Message -----
> From: Earl Haury
> To: NSRCA Mailing List
> Sent: Saturday, August 26, 2006 11:44 AM
> Subject: Re: [NSRCA-discussion] Engine problem
>
> John
>
> Assuming that the problem is lack of perpendicularity between the  
> threaded hole and the gasket surface - find a "friend" that will  
> set the thing up in a mill aligned on the threaded hole, then touch  
> the gasket surface with a mill to square. (You might give Clarence  
> a call also - unusual that he would not catch this.)
>
> Earl
>
>
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