X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.3.10) with ESMTP id 4552929 for flyrotary@lancaironline.net; Tue, 02 Nov 2010 19:47:26 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: FW: [FlyRotary] Ready to fly again MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CB7AF1.17634AA2" Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message Date: Tue, 2 Nov 2010 18:50:20 -0600 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F324CD92@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: FW: [FlyRotary] Ready to fly again Thread-Index: Act67OzfvXBBpTbIQmG2zglJfBRehAABORUg References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CB7AF1.17634AA2 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Dennis, =20 I use GIMP. It's a free download and easy to use. http://www.gimp.org/ =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Dennis Havarlah Sent: Tuesday, November 02, 2010 6:16 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: FW: [FlyRotary] Ready to fly again I need to resize some pictures I'd like to send to the group. I am using Windows Vista - does anyone know of an easy way for me to do this? =20 Thanks, =20 Dennis H. ----- Original Message -----=20 From: Bill Bradburry =20 To: Rotary motors in aircraft =20 Sent: Sunday, October 31, 2010 10:06 PM Subject: [FlyRotary] Re: FW: [FlyRotary] Ready to fly again =20 Dennis, Could you please describe the "hump" a little better? Are you talking about trying to turn the air in the plenum? Pictures perhaps? =20 Bill B =20 =09 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Dennis Havarlah Sent: Sunday, October 31, 2010 10:30 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: FW: [FlyRotary] Ready to fly again =20 Chris & Terria =20 My Catto 76X88 prop for the Renesis has a maximum cord of 6 ". If yours is wider I believe it is too big for the engine. My static was 5730 rpm on a 90 deg day. =20 When I first started flying the rotary (three years ago) I had oil and water cooling problems - I used a home made wind tunnel 2 inches wide inserted into the cowl and blew air into it with a squirrel cage blower from a home A/C unit. I used a manometer on the back side of the radiator to measure air pressure as the air came through the radiator. I found I needed a good hump in the lower part of the cowl inlet to deflect incoming air evenly through the oil and water radiators. My radiators are side-by-side. =20 You might use a GPS to compare with the air speed gages to make sure they are in the ball park. =20 Dennis H. =20 RV-7A Renesis RD-1C Catto 76X88 =20 =20 ------_=_NextPart_001_01CB7AF1.17634AA2 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Dennis,
 
I use GIMP. It's a free download and easy to=20 use.   http://www.gimp.org/
 
Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Dennis=20 Havarlah
Sent: Tuesday, November 02, 2010 6:16 = PM
To: Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: FW: [FlyRotary] = Ready to=20 fly again

I need to resize some pictures I'd like = to send to=20 the group.  I am using Windows Vista - does anyone know of an easy = way for=20 me to do this?
 
Thanks,
 
Dennis H.
----- Original Message -----
From:=20 Bill=20 Bradburry
Sent: Sunday, October 31, 2010 = 10:06=20 PM
Subject: [FlyRotary] Re: FW: = [FlyRotary]=20 Ready to fly again

 

Dennis,

Could you = please=20 describe the “hump” a little better?  Are you talking = about trying to=20 turn the air in the plenum?  Pictures=20 perhaps?

 

Bill=20 B

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Dennis Havarlah
Sent: Sunday, October 31, 2010 = 10:30=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: FW: = [FlyRotary]=20 Ready to fly again

 

Chris &=20 Terria

 

My Catto 76X88 prop for = the=20 Renesis has a maximum cord of 6 ".  If yours is wider I believe = it is too=20 big for the engine.  My static was 5730 rpm  on a  90 = deg=20 day.

 

When I first started = flying the=20 rotary (three years ago) I had oil and water cooling problems - I = used a=20 home made wind tunnel 2 inches wide inserted into the cowl and blew = air into=20 it with a squirrel cage blower from a home A/C unit.  I used a = manometer=20 on the back side of the radiator to measure air pressure as the air = came=20 through the radiator.  I found I needed a good hump in the lower = part of=20 the cowl inlet to deflect incoming air evenly through the oil and = water=20 radiators.  My radiators are=20 side-by-side.

 

You might use a GPS to = compare=20 with the air speed gages to make sure they are in the ball=20 park.

 

Dennis=20 H.

 

RV-7A

Renesis

RD-1C

Catto=20 76X88

 

 

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