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From: "Paul" <sqpilot@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-575636@logan.com>
Subject: Re: [FlyRotary] Re: short manifold pictures
Date: Tue, 21 Dec 2004 19:25:52 -0600
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Thanks, Kathy....today I completed the last of the installtion....adel 
clamps, nylon ties, wire protective sheathing, etc.  I took the aircraft out 
and ran it again with only the bottom cowling on it...5000 static rpm's, and 
the engine ran smoothly. It sounds a little rich at idle only (around 1200 
rpm's, but once I get it above that, it is smooth from 1500 to 5000 rpm's. 
Have to reinstall the top cowling and it's ready for flight #2.  Paul 
Conner, rotary powered SQ2000 in Mobile, AL

----- Original Message ----- 
From: "kathy" <kathy@atkinsrotary.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, December 21, 2004 1:04 PM
Subject: [FlyRotary] Re: short manifold pictures


> Good Looking pictures Paul..
> Kathy
>
> -------Original Message-------
>> From: "Paul" <sqpilot@bellsouth.net>
>> Subject: [FlyRotary] short manifold pictures
>> Sent: 21 Dec 2004 03:33:13
>>
>>  I finally got another software program (after computer crash) and was 
>> able to cut down the size/pixels of digital photos I took, so here is one 
>> of the Atkins straight intake manifold that I just installed on my 13b 
>> powered SQ2000 canard aircraft.  I'm sure there are more optimum 
>> manifolds out there, but at least this one produced 5000 static rpm's 
>> with my 3 blade 64 x 78 Performance wood prop.  Since the picture was 
>> taken, I have installed all fuel lines, throttle cable/bracket, re-routed 
>> wiring to injectors and throttle positon sensor, etc. to keep them away 
>> from heat, spark plug wires, etc and to just "neaten up" the 
>> installation.   The stainless steel heat shield is spaced about 3/4 inch 
>> above the stock cast iron exhaust manifold, and after 3 engine runs at 
>> WOT, the bottom of the throttlebody was only warm to the touch 
>> immediately after shutdown. I expected it to be pretty hot, but was 
>> pleasantly surprised that it was relatively cool. Perhaps because the 
>> fuel and air flowing into the throttlebody helped to keep it cool?  The 
>> part that really made my day is that there is no after shut-down fuel 
>> drip.  That was a big concern of mine.  Problem solved.  After I fly and 
>> enjoy the plane a little, I may pull the manifold and have some of the 
>> intake areas filled with aluminum weld and take a dremel tool to it to 
>> match the ports better, but I think for now I will leave the tinkering to 
>> Rusty, and after I fly/enjoy it a bit, go back to tinkering.  Thanks to 
>> all for the suggestions regarding prop size.  Most suggestions are that I 
>> go ahead and fly it and record all the performance numbers (now that I 
>> can achieve full throttle), and go from there. I may be looking for a 
>> problem that doesen't even exist.  Paul Conner
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>>  -------------------------
>>  >>  Homepage:  http://www.flyrotary.com/[1]
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> -------Original Message-------
>
>>>  Homepage:  http://www.flyrotary.com/
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