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model domestic vertical internal points question


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  #1  
Old 02-28-2019, 08:55:19 AM
crazydoug crazydoug is offline
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Default model domestic vertical internal points question

I have completed a model domestic vertical engine build and am having a problem with the internal points assembly.
The stationary contact requires an insulator bushing. What do you make this bushing out of and where do you get this material? I tried making it out of Delrin, and it melted. I have built other model engines, but they all had spark plugs. I would just give up and convert this to a spark plug, but would prefer to keep it original to the bluprints.
It was built from one of Bob Herder's casting sets, so may be calling Bob tonight!
Thanks in advance for any help
crazydoug
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Old 02-28-2019, 09:13:05 AM
BobHerder BobHerder is offline
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Default Re: model domestic vertical internal points question

Hi give me a call after 5 Bob Herder
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Old 02-28-2019, 10:08:21 AM
crazydoug crazydoug is offline
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Default Re: model domestic vertical internal points question

Thanks Bob, i'll do that- hated to bother you if not necessary.
doug
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Old 02-28-2019, 11:54:09 AM
Ed Radtke Ed Radtke is online now
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Default Re: model domestic vertical internal points question

Kynar may work.Its higher temp. rated.
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Old 02-28-2019, 08:32:39 PM
crazydoug crazydoug is offline
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Default Re: model domestic vertical internal points question

Quote:
Originally Posted by Ed Radtke View Post
Kynar may work.Its higher temp. rated.
Thanks!
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