steve: Thanks! Looks like a good discussion is brewing over there.I read the PDF that petertha posted and that is exactly what I was looking for! So it seems there is a compromise with all radials. Nice to know. I made an account with HMEM so I'll be posting some things over there.
dynosor: yea I want all the cylinders/ pistons/ conrods to be the same length. I guess I'll have to compromise with the BDC/TDC.
Shaun
my x2 conversion ------> http://www.cnczone.com/forums/showthread.php?t=36403
I just sent an e-mail to Paul Chernikeeff, the director of engineering at ROTEC to ask if he would be willing to explain how the slave rod bigend bearing positions are determined around the master rod.
It can't hurt to ask...
Red to red and black to black, or it's ashes to ashes and dust to dust.
Good deal! I was about to post a link.Originally Posted by skmetal7
steve: Thanks! Looks like a good discussion is brewing over there.
Please do. Now that you have some of us curious, we would like to know too.
Red to red and black to black, or it's ashes to ashes and dust to dust.
Sorry about that.
Master rod layout
Thanks Steve. I found Petertha's documents explaining master rod layout there.
Here is a direct link: http://www.homemodelenginemachinist....0;attach=23131 - it is possible that one has to be registered to view.
The posts by Petertha in the middle of the thread have PDFs attached - you have to look carefully to notice.
Last edited by dynosor; 10-01-2011 at 03:53 PM.
Red to red and black to black, or it's ashes to ashes and dust to dust.
It's a great site for the model engine guys. Some very smart and talented people hang out there. I especially like there taste in projects of the month!
Juat ask these guys to show you how to build one from scratch:
Red to red and black to black, or it's ashes to ashes and dust to dust.
A nice simple summary diagram here:
http://www.aviation-history.com/engines/radial1.jpg
From: Inside The Radial Engine
Interesting documents on radial engine crankshaft and conrod design with respect to vibration management:
http://www.enginehistory.org/NoShortDays/Vibration.pdf
http://www.enginehistory.org/NoShort...Crankshaft.pdf
Red to red and black to black, or it's ashes to ashes and dust to dust.
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