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Old Burnt Out Cox .049 Glowhead Wanted Babe_b10
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Old Burnt Out Cox .049 Glowhead Wanted Empty Old Burnt Out Cox .049 Glowhead Wanted

Post  NEW222 on Sat Nov 26, 2011 12:53 pm

Hi there. I am looking for a burnt-out, non-working glowhead for my Cox .049 engine. I am playing with making my own to use a standard glowplug. I have only one, of which was tapped with a standard tap. I now have aquired the correct tap, and would like to start experimenting. So if anyone has one or two kicking around, please let me know. I do know that the heads are available commercially, but I like to do things the hard way! Thank you.
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Post  shell shock on Sat Nov 26, 2011 2:29 pm

ill look man, if so, you can have er. just send me shipping funds (im broke, stupid ebay telling me i need more engines...)
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Post  microflitedude on Sat Nov 26, 2011 2:40 pm

NEW222 wrote:Hi there. I am looking for a burnt-out, non-working glowhead for my Cox .049 engine. I am playing with making my own to use a standard glowplug. I have only one, of which was tapped with a standard tap. I now have aquired the correct tap, and would like to start experimenting. So if anyone has one or two kicking around, please let me know. I do know that the heads are available commercially, but I like to do things the hard way! Thank you.

I've got one you can have.

PM Sent.
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Old Burnt Out Cox .049 Glowhead Wanted Empty I did that..........

Post  Jaspur_x on Sat Nov 26, 2011 11:36 pm

I don`t like to bear bad news.......but, the biggest problem with your plan is.....its more complex than you thought........you are trying to make a super-low compression head. The (standard style)glowplugs have a huge cavity(compared to cox glowheads) for the coil...ergo, lots of compression eating cavity.

Problem #2, the glow plugs seal at the top of the head with a coper crush gasket, allowing even more compression loss until she will barely pull her own weight if she will run at all basically.

There is some good news though, there are glowplugs available that work better than standard, like the turbo glow plugs (for 1 ), but they take a totally diferent tap, a larger diameter bore, and it has to be exactly tapered at the base of the glow plug.
There was a thread/conversation (several actually) over at rcu or rcg about it. If you are really curious look up my thread 9in a "search")on the G-mark.03 ( an extinct, little known japanese engine from the `80`s )glowheads over there.
I`m not sufficiently equipped to do the precision it takes and sent my glowhead out for the conversion
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Post  NEW222 on Sun Nov 27, 2011 8:06 am

Well thank you for the heads up, and the problems that I will encounter along the way. Love a challenge. I will definately not abandon this plan yet, but look forward to meeting this head on, no pun intended.
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Post  nitroairplane on Sun Nov 27, 2011 9:13 am

NEW222 wrote:Well thank you for the heads up, and the problems that I will encounter along the way. Love a challenge. I will definately not abandon this plan yet, but look forward to meeting this head on, no pun intended.

well it can be done as Bernie is selling them,
http://coxengines.ca/product.php?productid=116&cat=27&page=1
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Post  microflitedude on Sun Nov 27, 2011 9:54 am

nitroairplane wrote:
NEW222 wrote:Well thank you for the heads up, and the problems that I will encounter along the way. Love a challenge. I will definately not abandon this plan yet, but look forward to meeting this head on, no pun intended.

well it can be done as Bernie is selling them,
http://coxengines.ca/product.php?productid=116&cat=27&page=1

That is a different head - the challenge is tapping and converting an OEM cox head.
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Post  nitroairplane on Sun Nov 27, 2011 10:02 am

microflitedude wrote:
nitroairplane wrote:
NEW222 wrote:Well thank you for the heads up, and the problems that I will encounter along the way. Love a challenge. I will definately not abandon this plan yet, but look forward to meeting this head on, no pun intended.

well it can be done as Bernie is selling them,
http://coxengines.ca/product.php?productid=116&cat=27&page=1

That is a different head - the challenge is tapping and converting an OEM cox head.

oh yeah i never thought of it like that but i am sure its possible.
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Post  Admin on Sun Nov 27, 2011 10:07 am

...but I have seen it done and have seen it work
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Post  nitroairplane on Sun Nov 27, 2011 10:09 am

Admin wrote:...but I have seen it done and have seen it work
cool!
I think there is a video of it somewhere on youtube.
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