FreddieWebb
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Has anyone tried making a multi cylinder nitro two stroke with Rc technology? It would be cool if someone built a v4, v6 or even a v8.
Multi cylinder proto type nitro engine
- Thread starter FreddieWebb
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LohringMiller
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Lots of people have done this. The issue is that you either need to divide the crankcases so you have a series of single cylinder crankcases, or you need a blower. Below are links to a couple of designs:
http://www.modelenginemaker.com/index.php/topic,4241.0.html
https://www.coxengineforum.com/ (lots of multi cylinder engines with Cox cylinders)
Rod Geraghty build a twin that could be expanded into a larger engine. See below.
Lohring Miller
http://www.modelenginemaker.com/index.php/topic,4241.0.html
https://www.coxengineforum.com/ (lots of multi cylinder engines with Cox cylinders)
Rod Geraghty build a twin that could be expanded into a larger engine. See below.
Lohring Miller
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FreddieWebb
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Thank you very much!!
Gilbert Pun
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Lohring,
Thanks for the links but the cox link is not working
Thanks for the links but the cox link is not working
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https://www.coxengineforum.com
The back hash at the end of the link screwed it up. Works with this link.
Mike
The back hash at the end of the link screwed it up. Works with this link.
Mike
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Actually this was a joint venture with David Hall and myself...
This was a twin that fired 180 degrees of each other with a cartridge induction system that
mechanically separated the twin into [2] individual engines....
This induction design placed new cool fuel directly to the rod bottom with every revolution....
This made the motor "blow-up" proof and believe me we tried to grenade it......
We demo started this motor at the Internats in the early 2000's in Evansville....
It would run at WOT at 45K and it would run until it ran out of cooling and or fuel....
This caused a bit of a crowd in the pits when running.....
45K rpm is actually painful to listen to.....
This was a twin that fired 180 degrees of each other with a cartridge induction system that
mechanically separated the twin into [2] individual engines....
This induction design placed new cool fuel directly to the rod bottom with every revolution....
This made the motor "blow-up" proof and believe me we tried to grenade it......
We demo started this motor at the Internats in the early 2000's in Evansville....
It would run at WOT at 45K and it would run until it ran out of cooling and or fuel....
This caused a bit of a crowd in the pits when running.....
45K rpm is actually painful to listen to.....
Lots of people have done this. The issue is that you either need to divide the crankcases so you have a series of single cylinder crankcases, or you need a blower. Below are links to a couple of designs:
http://www.modelenginemaker.com/index.php/topic,4241.0.html
https://www.coxengineforum.com/ (lots of multi cylinder engines with Cox cylinders)
Rod Geraghty build a twin that could be expanded into a larger engine. See below.
Lohring Miller
21 Twin.JPG
21 Twin on Dyno.JPG
21 Twin parts.JPG
Last edited by a moderator:
