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Date: Mon, 13 Sep 2004 21:24:49 -0500
From: Charlie England <ceengland@bellsouth.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: high oil pressure and coolers
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Lehanover@aol.com wrote:

>In a message dated 9/13/2004 11:41:34 AM Central Daylight Time, 
>keltro@att.net writes:
>
><<   Lynn,
>       At the rpm we are using in our aircraft (Typically 5500 to 7500 <with 
>2.85 to1>) 
> what is your gut feeling on using the Weber jets "and/or" the race rotor 
>bearing if 
> you were going to fly behind it.....?
>     As for my "Delta" I have two 26 gal saddle fuel tanks behind main spar 
>in the
> outboard part of the center section. They are aluminum, not fuel cells.
> 
>  Kelly
>  >>
>
>There is no advantage that I can see. If the temps are under control, the 
>engine is under no stress below 8500 RPM. Anything over 75 pounds of hot oil 
>pressure is adequate. Plus you can have a 800 RPM idle and oil pressure at the 
>same time.
>
>The ITA class runs the bone stock RX-7s from all model years. They shift them 
>as high as 8,000 RPM all summer long without a problem. I would leave it 
>stock..........
>
>Who would believe that?
>
> I would leave most of it stock. I would have a big street port and Tracy's 
>apex seals, a new pump and chain and a modified oil pickup.
>I would add one of Richard Sohns pump adapters and run regular Redline racing 
>2 cycle oil from a bottle on the fire wall, and 40 WT Redline in the sump. 
>Everything else stock.  
>
>Well, OK, maybe a crank triggered ignition firing both plugs in a housing at 
>the same time, at 24 degrees BTDC using a double output coil like an 
>Oldsmobile. So no distributor or anything else in that 
>hole.................................... 
>
>OK, I would use the distributor hole for a breather, but everything else 
>stock.  
>
>
>
>How about a 10% bigger Dyke with fixed gear and full coverage gear doors on 
>the wheel pants and a full swiveling nose wheel.  Two gull wing doors. 4 real 
>seats. 
>A 300 HP three rotor and a 2 speed 6 pinion PSRU and two 22 gallon fuel 
>cells? 
>
>
>Lynn E. Hanover
>

nowhere near enough fuel... :-)
(I'll definitely save the above as a guide to building a 'stock' engine.)

Charlie