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Return-Path: <13brv3@bellsouth.net> Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 880589 for flyrotary@lancaironline.net; Sat, 16 Apr 2005 21:56:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050417015549.FFJA2068.imf22aec.mail.bellsouth.net@rd> for ; Sat, 16 Apr 2005 21:55:49 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Flyrotary List" Subject: Rev-4 progress Date: Sat, 16 Apr 2005 20:56:01 -0500 Message-ID: <02ef01c542f0$9bdec7a0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02F0_01C542C6.B308BFA0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_02F0_01C542C6.B308BFA0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Greetings, =20 I figured I'd pass along some numbers from today's cowl throttle = testing. It seems to work, but I'm going to need a bigger door. The current door = is about 80 sq inches, and the total exit area of the cowl is about 120 sq inches. I figured that would have to be enough to bring the temps up, = but I was wrong. I can probably add another 15-20 sq inches pretty easily, = and I'll try that tomorrow. =20 =20 It also looks like I'll have to reduce the size of the oil cooler scoop = a bit, which is good news really. =20 =20 Cheers, Rusty =20 =20 =20 =20 4-16-05 .5 hours / 44.1 total =20 Tested the cowl throttle, and found out that it didn't do as much as I = had hoped. Clearly going to have to add some area to the door tomorrow. = Also found that I have a nagging oil leak (spoke too soon) somewhere around = the front cover. Removed the oil metering pump block-off plate, and = resealed it with the magic gray stuff. It was the only plate that I left from = before, and it didn't appear to be sealed that well. I'll find out tomorrow if that's it. The engine continues to run well.=20 =20 =20 Conditions today were about 80 on the ground. 62 at 3000 ft. =20 =20 Climb, 6200 rpm, 110 mph, to 3000 feet. This was described as "bat out = of hell" by folks on the ground, but my VSI is acting wacky, so I'm not = sure what it really was.=20 Oil- 175 Coolant- 206 MAP at 1000 ft.- 27" (must resolve this low reading) =20 Cruise at 3000 ft, and 5500 rpm, 150 mph, cowl baffle open. Oil- 134 Coolant- 148 =20 Cruise at 3000 ft, 5500 rpm, 150 mph, cowl baffle closed Oil- 141 Coolant- 158 =20 Cruise at 3000 ft, 6000 rpm, 170 mph, cowl baffle closed. Oil- 146 Coolant- 164 =20 Max rpm in only half a lap of the field at 3000 ft- 7100 (people on = the ground said it sounded like they were at Indy). Forgot to note the = speed. =20 ------=_NextPart_000_02F0_01C542C6.B308BFA0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

Greetings,

I figured I'd = pass along=20 some numbers from today's cowl throttle testing. It seems to work, = but I'm=20 going to need a bigger door. The current door is about 80 sq = inches, and=20 the total exit area of the cowl is about 120 sq inches. I figured = that=20 would have to be enough to bring the temps up, but I was wrong. I = can=20 probably add another 15-20 sq inches pretty easily, and I'll try that=20 tomorrow.

It also looks = like I'll=20 have to reduce the size of the oil cooler scoop a bit, which is good = news=20 really.

Cheers,

Rusty

4-16-05 .5 hours / =20 44.1 total

Tested = the cowl=20 throttle, and found out that it didn’t do as much as I had hoped. = Clearly going=20 to have to add some area to the door tomorrow. Also found that I have a = nagging=20 oil leak (spoke too soon) somewhere around the front cover. Removed the oil metering pump = block-off=20 plate, and resealed it with the magic gray stuff. It was the only plate that I = left from=20 before, and it didn’t appear to be sealed that well. I’ll find out = tomorrow if that’s=20 it. The engine continues to run well.

Conditions today=20 were about 80 on the ground. = 62 at=20 3000 ft.

Climb, = 6200 rpm, 110=20 mph, to 3000 feet. This = was=20 described as “bat out of hell” by folks on the ground, but = my VSI is acting=20 wacky, so I’m not sure what it really was.

Oil- = 175

Coolant-=20 206

MAP at = 1000 ft.- 27”=20 (must resolve this low reading)

Cruise = at 3000 ft,=20 and 5500 rpm, 150 mph, cowl baffle open.

Oil- = 134

Coolant-=20 148

Cruise = at 3000 ft,=20 5500 rpm, 150 mph, cowl baffle closed

Oil- = 141

Coolant-=20 158

Cruise = at 3000 ft,=20 6000 rpm, 170 mph, cowl baffle closed.

Oil- = 146

Coolant-=20 164

Max = rpm in only half=20 a lap of the field at 3000 ft- =20 7100 (people on = the ground=20 said it sounded like they were at Indy). =20 Forgot to note the speed. =

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