Return-Path: Received: from smtp802.mail.sc5.yahoo.com ([66.163.168.181] verified) by logan.com (CommuniGate Pro SMTP 4.1.6) with SMTP id 2661567 for flyrotary@lancaironline.net; Mon, 27 Oct 2003 10:41:47 -0500 Received: from adsl-64-219-114-143.dsl.bumttx.swbell.net (HELO Davidscmptr) (dcarter11@sbcglobal.net@64.219.114.143 with login) by smtp-sbc-v1.mail.vip.sc5.yahoo.com with SMTP; 27 Oct 2003 15:41:45 -0000 Message-ID: <072001c39ca0$d285f280$6501a8c0@Davidscmptr> Reply-To: "David Carter" From: "David Carter" To: "Rotary motors in aircraft" Cc: "Laura Crook" , "Tracy Crook" References: Subject: Re: [FlyRotary] building motivation Date: Mon, 27 Oct 2003 09:41:42 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_071D_01C39C6E.873A8200" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_071D_01C39C6E.873A8200 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Barney, thanks for moving the tree - made it easy for me to drive to = church in High Springs later on that morning. Tracy & Laura, thanks (times 10) for the great gathering of rotary = aircraft & "engineers", hospitality, food, sleeping & other necessary = accomodations - & great weather! I left High Springs about 1:40 and was home just south of Beaumont , TX, = 10+50 later then set my clock to Central time & it only took me 9:50 (?) = - hope the flyers got through the low crud & rain in the Fl panhandle. All the way home I was mentally designing (fantasizing) of getting a = "blank" cowl from Van's with NO HOLES in the front, then doing many = interative "positionings" of engine and components "under the hood" = until I decided where it all would be, THEN cutting holes for the 2 A/C = core-rads, oil cooler, and engine air intake so as to get the air inlets = "perfect". Even thinking of individual P-51 style inlet/outlets side by = side in the bottom of the engine cowl - with outlets just below the = bottom line of the firewall, but not necessarily that far back. Let's = see: No further back than 1.5 times the prop chord . . . . . . . (where = are all those "theory" e-mails I printed off 3 years ago from PL's = list?) Bernie Kerr, after Ed's masterful analysis of DIE, I can see real = possibilities for an experienced J-58 Blackbird engine guy with = "skunkworks" level of skills and analytical insight - taking on the = "external diffusion" and "direction of airflow behind the prop" to get = stagnation points for max pressure and correct vectors for orientation = of inlet geometry for rads, oil cooler, and, especially, the engine air = induction probe right behind the prop to get maximum pressure boost in = Manifold Pressure (Lancairs getting 2 to 4 inches??!!) without using a = turbo - kind of DIE from the 2 prop blades into the air inlet for the = intake manifold. Was I dozing and dreaming at the wheel driving home or did I really = think about all that stuff? Was the rotary fly in a true mind altering = event? (or mind boggling?) Wait a minute: What is the basic "calculus" for homebuilding? = Something like this: Time between "now" and "first flight" is a direct = exponential cubed relationship to the number of mods to (deviations = from) the std plans? Or, as summarized by someone in the Pentagon, = "Better is the worst enemy of good?" . . . . .=20 I had a great time. Thanks again Tracy and Laura and all who came and = shared and took off engine cowls and answered endless questions. David Carter ----- Original Message -----=20 From: Barnhart=20 To: Rotary motors in aircraft=20 Sent: Sunday, October 26, 2003 3:58 PM Subject: [FlyRotary] building motivation Thanxs again Tracy and Laura, great fly in. Never did like flying commercial.=20 Got up at 2 am at Tracy's to drive to Orlando ( 3 hour drive) for an = early flight back. 2:05 am. Tree down on 50th by Tracy's, able to get the top off the tree = and drive around. Made airport promptly, got on big plane with lots of kids crying and = screaming. Encountered serious turbulence halfway to Cincinnati, lots of kids = crying (this time with a good reason tho). Guy sitting next to me gets airsick and leaves a deposit in his plastic = head phone bag. All the while stuck in a seat that had less room than a C 150.=20 Working late tonite on the plane. Barny MGDQ=20 ------=_NextPart_000_071D_01C39C6E.873A8200 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Barney, thanks for moving the tree - = made it easy=20 for me to drive to church in High Springs later on that = morning.
 
Tracy & Laura,  thanks (times = 10) for the=20 great gathering of rotary aircraft & "engineers", hospitality, food, = sleeping & other necessary accomodations - & great = weather!
 
I left High Springs about 1:40 and was = home just=20 south of Beaumont , TX, 10+50 later then set my clock to Central time = & it=20 only took me 9:50 (?)  - hope the flyers got through the low crud = &=20 rain in the Fl panhandle.
 
All the way home I was mentally = designing=20 (fantasizing) of getting a "blank" cowl from Van's with NO HOLES in the = front,=20 then doing many interative "positionings" of engine and components = "under the=20 hood" until I decided where it all would be, THEN cutting holes for the = 2 A/C=20 core-rads, oil cooler, and engine air intake so as to get the air inlets = "perfect".  Even thinking of individual P-51 style = inlet/outlets side=20 by side in the bottom of the engine cowl - with outlets just below the = bottom=20 line of the firewall, but not necessarily that far back. Let's = see:  No=20 further back than 1.5 times the prop chord . . . . . . . (where are all = those=20 "theory" e-mails I printed off 3 years ago from PL's list?)
 
Bernie Kerr, after Ed's masterful = analysis of DIE,=20 I can see real possibilities for an experienced J-58 Blackbird engine = guy with=20 "skunkworks" level of skills and analytical insight - taking on the = "external=20 diffusion" and "direction of airflow behind the prop" to get stagnation = points=20 for max pressure and correct vectors for orientation of inlet geometry = for rads,=20 oil cooler, and, especially, the engine air induction probe = right=20 behind the prop to get maximum pressure boost in Manifold Pressure = (Lancairs=20 getting 2 to 4 inches??!!) without using a turbo - kind of DIE from the = 2 prop=20 blades into the air inlet for the intake manifold.
 
Was I dozing and dreaming at the wheel = driving home=20 or did I really think about all that stuff?  Was the rotary fly in = a true=20 mind altering event? (or mind boggling?)
 
Wait a minute:  What is the basic = "calculus"=20 for homebuilding?   Something like this:  = Time between "now"=20 and "first flight" is a direct exponential cubed relationship to the = number of=20 mods to (deviations from) the std plans?  Or, as summarized by = someone in=20 the Pentagon, "Better is the worst enemy of good?" . . . . . =
 
I had a great time.  Thanks again = Tracy and=20 Laura and all who came and shared and took off engine cowls and answered = endless=20 questions.
 
David Carter
 
----- Original Message -----=20
From: Barnhart =
Sent: Sunday, October 26, 2003 3:58 PM
Subject: [FlyRotary] building motivation

Thanxs again Tracy and Laura, great fly = in.
 
Never did like flying commercial.=20
 
Got up at 2 am at Tracy's to drive = to Orlando=20 ( 3 hour drive) for an early flight back.
2:05 am.  Tree down on 50th by = Tracy's, able=20 to get the top off the tree and drive around.
Made airport promptly, got on big plane = with lots=20 of kids crying and screaming.
Encountered serious turbulence halfway = to=20 Cincinnati, lots of kids crying (this time with a good reason = tho).
Guy sitting next to me gets airsick and = leaves a=20 deposit in his plastic head phone bag.
All the while stuck in a seat that had = less room=20 than a C 150.
 
Working late tonite on the = plane.
 
Barny
MGDQ
 
 
 
------=_NextPart_000_071D_01C39C6E.873A8200--