Cox Backplate ID

NEW222 Thu Dec 17, 2020 10:06 pm

Hey all. Just curious about a backplate on a Cox engine. Was told it was possibly a .020, but the head and cylinder say not. But the interesting thing is the backplate. All I knew of for a metal backplate was either one with no vent/fill nipples for the Black Widow and Golden Bee, and one with two vent/fuel nipples for a Baby Bee/Product engine. This one appears to be in great shape but with only one nipple. Has anyone ever seen this before, or am I just living under a woodpile? Very Happy

Marleysky Thu Dec 17, 2020 10:41 pm

Normal. Or. Abynormal? Yes, they made 1 nipple backplates, both in metal (zemack) and plastic.

Che k out our way back machine:

https://www.coxengineforum.com/t11570-old-babe-bee-acquisition-need-some-help#147478

Keep your woodpile dry, it burns better. lol!

NEW222 Thu Dec 17, 2020 11:17 pm

Great, thanks for that. Funny as I even posted in the topic.... I was aware of the plastic ones, but metal ones I was unsure of. Thanks again!

KariFS Fri Dec 18, 2020 1:15 am

Also note the small round brass driveplate, and the starter spring meant to be used with a cam plate. That should have a red cam plate with a small hole for the prop screw.

My first Cox engine is just like that one, single fuel filler and all, bought it around 1983 or 84 Smile

There is a small hole for air to come out right next to the fuel fill nipple.

I suppose that style was pretty soon replaced with the plastic back plate and hex drive plate (with the grey cam plate).

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Cox Backplate ID

Cox Backplate ID

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Re: Cox Backplate ID