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From: keltro@att.net (Kelly Troyer)
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Mazda Factory O rings vs TES O rings
Date: Mon, 25 Jul 2005 03:29:06 +0000
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Leon,
I will refer you to the manufacturer as I am not an expert on the subject.....
http://www.creavey.com/applications.html
http://www.creavey.com/materials.html
http://www.creavey.com/downloads/Creavey-Design-Data.pdf
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2
-------------- Original message from "Leon Promet" <leonp@pacific.net.au>: --------------
Hi Kelly,
Thanks for the reply. So how is it that you know that TES O rings will quote:
"take more heat and pressure" unquote.
What sort of heat?? What sort of pressure?? How do you know. Who told you??
Has anybody really done some scientific testing where they have got two identical motors side by side, run them dry, and the compared the damage. As I said previously, give your Wankel a decent "cook" and you warp the rotor housings. They are then "thow-aways".
I'm also curious as to just when and why would you be considering rebuilding your engine (so you can re-use the TES O rings). seeing that if an engine rebuild is done peroperly in the first place, they seem to last for up to 20 years and 500,000 km if looked after (regular oil changes, clean coolant with corrosion inhibitor, and a well maintained air filter).
There are basically only three things that will kill a rotary:
1. Serious Overheating (loss of coolant, drop a fan belt, water pump failure etc)
2. Running LOW or right out of oil (blown oil hose, filter cannister etc or just plain carelessness of the operator)
3. Swallowing something solid and obdurate (like a nut or a washer or a rock), or being fed dusty air (if you are silly enough not to run an aircleaner).
I'd be interested on your take. Anyone else with some experience based reasons ??
Cheers,
Leon
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<DIV>Leon,</DIV>
<DIV> I will refer you to the manufacturer as I am not an expert on the subject.....</DIV>
<DIV> </DIV>
<DIV> <A href="http://www.creavey.com/applications.html">http://www.creavey.com/applications.html</A></DIV>
<DIV> </DIV>
<DIV> <A href="http://www.creavey.com/materials.html">http://www.creavey.com/materials.html</A></DIV>
<DIV> </DIV>
<DIV> <A href="http://www.creavey.com/downloads/Creavey-Design-Data.pdf">http://www.creavey.com/downloads/Creavey-Design-Data.pdf</A></DIV>
<DIV class=signature id=signature>--<BR>Kelly Troyer <BR>Dyke Delta/13B/RD1C/EC2 <BR><BR><BR><BR></DIV><BR>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message from "Leon Promet" <leonp@pacific.net.au>: -------------- <BR><BR><!-- BEGIN WEBMAIL STATIONERY -->
<META content="MSHTML 6.00.2800.1400" name=GENERATOR>
<DIV><FONT face=Arial size=2>Hi Kelly,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Thanks for the reply. So how is it that </FONT><FONT face=Arial size=2>you know that TES O rings will quote:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>"<FONT face="Times New Roman" size=3>take more heat </FONT>and pressure" unquote.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>What sort of heat?? What sort of pressure?? How do you know. Who told you??</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Has anybody really done some scientific testing where they have got two identical motors side by side, run them dry, and the compared the damage. As I said previously, give your Wankel a decent "cook" and you warp the rotor housings. They are then "thow-aways".</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I'm also curious as to just when and why would you be considering rebuilding your engine (so you can re-use the TES O rings). seeing that if an engine rebuild is done peroperly in the first place, they seem to last for up to 20 years and 500,000 km if looked after (regular oil changes, clean coolant with corrosion inhibitor, and a well maintained air filter).</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>There are basically only three things that will kill a rotary:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>1. Serious Overheating (loss of coolant, drop a fan belt, water pump failure etc)</FONT></DIV>
<DIV><FONT face=Arial size=2>2. Running LOW or right out of oil (blown oil hose, filter cannister etc or just plain carelessness of the operator)</FONT></DIV>
<DIV><FONT face=Arial size=2>3. Swallowing something solid and obdurate (like a nut or a washer or a rock), or being fed dusty air (if you are silly enough not to run an aircleaner).</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I'd be interested on your take. Anyone else with some experience based reasons ??</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Cheers,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Leon</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
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