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Modification to R2
Submitted by martin on Thursday, April 29, 2010 - 9:13am

Is it possible to add pistons to a rotary engine? Has it been done?
I have already modified one journal on the rotor shaft and the rotors to house the pistons.

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subject:
Baffling
author:
date:
May 11, 2010 - 7:29pm
What? You are an odd fellow with a doubly odd question.

Pistons are meant to receive combustion on their head, not on their sides like a rotor in a rotary engine. Plus, the rotary engine is designed with flat surfaces whereas piston-pounders have cylindrical chambers. So, pistons aren't even the correct form to fit the function in the rotary block.

I'd say that anything is possible, but I believe you're simply ruining what could possibly be fine, usable, and expensive RE parts if left unmodified.

If you want pistons under the hood, just drop a small-block V8 in instead of ruining parts you could sell and that someone else could use.

If you make any progress, do update this to show us all your monstrosity.
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