X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3.5) with ESMTP id 1022640 for flyrotary@lancaironline.net; Sun, 26 Jun 2005 22:44:02 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from ibm63aec.bellsouth.net ([65.6.194.9]) by imf21aec.mail.bellsouth.net with ESMTP id <20050627024318.MXJV2460.imf21aec.mail.bellsouth.net@ibm63aec.bellsouth.net> for ; Sun, 26 Jun 2005 22:43:18 -0400 Received: from rd ([65.6.194.9]) by ibm63aec.bellsouth.net with ESMTP id <20050627024318.QRMM25209.ibm63aec.bellsouth.net@rd> for ; Sun, 26 Jun 2005 22:43:18 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Flyrotary List" Subject: Formation with an RV-8 Date: Sun, 26 Jun 2005 21:43:17 -0500 Message-ID: <000001c57ac1$f96a7eb0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C57A98.109476B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C57A98.109476B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Greetings, =20 While you were all debating coolant pressure (mine's always zero), I = went flying this afternoon with my buddy Bob. He's got a nice RV-8, with = about 190 HP, and a constant speed prop. We used to fly formation a decent = amount back when I had my RV-8, and I always took off in the lead, since he = could always catch up with his constant speed prop. The results are good = news, bad news, but mostly, I just need to clean up some drag issues I think. Here's the log, enjoy. =20 Cheers, Rusty (getting picked on a lot recently) =20 =20 6-26-05 .5 hours / 50.4 total =20 Went up and did some formation with Bob today. We took off with me in = the lead, and by the time I made it to a downwind leg, he was about 500 = feet below me :-) Once level at 3000 ft, we compared ASI readings, and = they were pretty close at 130 kts. I was at about 6200 rpm. We both went = WOT, and I pulled away initially, but by the time he got to about 150 kts, he started to gain. He finally pulled ahead at about 165 kts indicated. = At that time, I was only indicating about 145 kts. My ASI seems to have = more error the faster we go. Funny thing is, Bob said his is usually LOWER = than everyone else's. Man, I've got to get to the bottom of this airspeed accuracy. =20 =20 My max rpm was 7100, and that was all I could get in the few minutes we = ran. I need to check the timing in flight, as well as maximize the mixture, = but the main problem is drag. I'm still missing some fairings, and haven't finalized the cowl yet which is why I can't pull more rpm, and why Bob = was able to catch up only at the higher airspeeds. The sad fact is that my = old RV-8 used to outrun Bob in top speed by a couple kts, but it sure = couldn't outclimb his C/S prop :-)=20 =20 It was also by far the most exciting flying I've done in the plane, as = we made a pretty spectacular high speed formation pass on a local private strip. Made a nice break at home too. I love formation flying :-) =20 I put 15.5 gallons in the plane, for 1.5 hours of flight time. None of = that was leaned at all, and much of it was full throttle, and 7000 rpm. That comes to 10.3 gph, which isn't bad considering. The fuel transfer = worked fine too. =20 ------=_NextPart_000_0001_01C57A98.109476B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Greetings,

 

While you were all = debating coolant=20 pressure (mine's always zero), I went flying = this afternoon=20 with my buddy Bob.  He's got a nice RV-8, with about 190 HP, and a = constant=20 speed prop.  We used to fly formation a decent amount back when I = had my=20 RV-8, and I always took off in the lead, since he could always catch up = with his=20 constant speed prop.  The results are good news, bad news, but = mostly, I=20 just need to clean up some drag issues I think.  Here's the log,=20 enjoy.

 

Cheers,

Rusty (getting picked on = a lot=20 recently)

 

 

6-26-05  = .5=20 hours  /  50.4  total

 

Went=20 up and did some formation with Bob today. =20 We took off with me in the lead, and by  the time I made it to a = downwind leg, he=20 was about 500 feet below me :-)    Once level at 3000 = ft, we=20 compared ASI readings, and they were pretty close at 130 kts.  I was at about 6200 rpm.  We both went WOT, and I pulled = away=20 initially, but by the time he got to=20 about 150 kts, he started to gain. =20 He finally pulled ahead at about 165 kts indicated.  At that time, I was only = indicating=20 about 145 kts.  My ASI = seems to have=20 more error the faster we go.  = Funny=20 thing is, Bob said his is usually LOWER than everyone else’s.  Man, I’ve got to get to = the bottom of=20 this airspeed accuracy.  =

 

My=20 max rpm was 7100, and that was all I could get in=20 the few minutes we ran.  I need to check the timing in flight, as well = as=20 maximize the mixture, but the main problem is = drag.  I'm still missing some fairings, and = haven't=20 finalized the cowl yet which is why I can’t pull more rpm, = and why Bob=20 was able to catch up only at the higher airspeeds.  The sad fact is that my old = RV-8 used to=20 outrun Bob in top speed by a couple kts, but it=20 sure couldn't outclimb his C/S prop :-) 

 

It=20 was also by far the most exciting flying I’ve done in the plane, = as we made a=20 pretty spectacular high speed formation pass on a local private = strip.  Made a nice break at home = too.  I love formation flying = :-)

 

I=20 put 15.5 gallons in the plane, for 1.5 hours of flight time.  None of that was leaned at = all, and much=20 of it was full throttle, and 7000 rpm. =20 That comes to 10.3 gph, which isn’t bad considering.  The fuel transfer worked fine = too.  =

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