<div>I would believe what Ron said is true, particularly if the air inlet properly ducts the air to where it is needed. Excess Inlet area doesn't do much good if most of the air blows somewhere besides through the cooling fins. Pylon racers are very good at cowl ducting!</div> <div> </div> <div>Bob R.</div> <div><BR><BR><B><I>Ron Lockhart <ronlock@comcast.net></I></B> wrote:</div> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">About 3 square inches of inlet- if all is aimed directly on head and<BR>cylinder<BR>is sufficient inlet, I have about 9 inches of exhaust outlet.<BR>(also 140RX & Aeroslave)<BR>I know that is a lot less than most folks use, but it's been fine<BR>on my last three 2 stroke/piped birds.<BR><BR>Exhaust air should be twice as much as inlet, 3 times certainly<BR>won't hurt.<BR><BR>Later, Ron Lockhart<BR><BR><BR>----- Original Message ----- <BR>From: "Kelly Regan"
<KELLY.REGAN2@VERIZON.NET><BR>To: <NSRCA-DISCUSSION@LISTS.NSRCA.ORG><BR>Sent: Monday, December 04, 2006 6:28 PM<BR>Subject: [NSRCA-discussion] cooling area<BR><BR><BR>> On my Brio I have approx. 8 square inches of inlet area<BR>> on the chin and cheek cowl.<BR>><BR>> The only outlet I have in the pipe tunnel is near the pipe<BR>> exit and it is approx 8 square inches also.<BR>><BR>> Question, Would another 8 square inches, 16 total, be<BR>> enough cooling in the pipe tunnel or should I try to get<BR>> closer to 24 sq. in. ?<BR>><BR>> OS 140 RX and Aeroslave composite pipe.<BR>><BR>> Thank you.<BR>><BR>><BR>> -- <BR>> ______________________________________________<BR>><BR>> Kelly Regan<BR>> www.reganbrothers.com<BR>> Home Page: http://mysite.verizon.net/vze6uror/<BR>> ______________________________________________<BR>><BR>> _______________________________________________<BR>> NSRCA-discussion mailing
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