Re: 049 Black Widow tuning

gkamysz Tue Sep 10, 2019 9:21 am

I have two late Black Widows (plastic tank) with cylinders marked 4 and open exhaust ports, but a single booster port. According to this thread, https://www.coxengineforum.com/t4022-venom-cylinder they are venom cylinders(?!). Purchased second hand, these must be pieced together. Another unused BW from the same lot appears normal.

--Oz-- Tue Sep 10, 2019 1:36 pm

@gkamysz wrote:I have two late Black Widows (plastic tank) with cylinders marked 4 and open exhaust ports, but a single booster port. According to this thread, https://www.coxengineforum.com/t4022-venom-cylinder they are venom cylinders(?!). Purchased second hand, these must be pieced together. Another unused BW from the same lot appears normal.

When I find my other box of cox stuff, I should have 3 or 4 BW, i will report what cylinders/ect. Only till a month ago, did I know there were different cylinders, lol, been out of it for 2+ decades.

Both these pages say something different on the BW cylinder. Who know how many times they changed stuff over the decades/companies/etc. Very Happy

At least we have some ref.

https://www.coxengineforum.com/h23-cylinder-identification

https://en.wikipedia.org/wiki/Cox_model_engine#Cylinders

--Oz-- Mon Aug 02, 2021 1:00 am

I found this cox history.
https://evilwiki.blogspot.com/2018/02/cox-model-engine.html

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049 Black Widow tuning