X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from zixvpm1.fdic.gov ([167.176.6.41] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTPS id 5510565 for flyrotary@lancaironline.net; Thu, 26 Apr 2012 14:34:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=167.176.6.41; envelope-from=brogers@fdic.gov Received: from zixvpm1.fdic.gov (ZixVPM [127.0.0.1]) by Outbound.fdic.gov (Proprietary) with ESMTP id A10CA940732 for ; Thu, 26 Apr 2012 14:33:37 -0400 (EDT) Received: from mail2.fdic.gov (unknown [10.30.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by zixvpm1.fdic.gov (Proprietary) with ESMTP id 287F494071C for ; Thu, 26 Apr 2012 14:33:37 -0400 (EDT) Received: from wasexc001r.PROD.FDIC.GOV (exchange2 [151.174.14.60]) by mail2.fdic.gov (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id q3QIXKk7004703 for ; Thu, 26 Apr 2012 14:33:37 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/related; type="multipart/alternative"; boundary="----_=_NextPart_001_01CD23DB.100B020C" Subject: RE: [FlyRotary] Re: Fixed Pitch props. Date: Thu, 26 Apr 2012 13:33:23 -0500 Message-ID: <1F44A251F397E444B05E240B8688AB790C72DB65@DALEXC100P.PROD.FDIC.GOV> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Fixed Pitch props. Thread-Index: Ac0jy+BiIachAL17Ss2if6Rmp8rcIQADZ4YQ References: From: "Rogers, Bob J." To: "Rotary motors in aircraft" X-OriginalArrivalTime: 26 Apr 2012 18:33:24.0770 (UTC) FILETIME=[10A57020:01CD23DB] This is a multi-part message in MIME format. ------_=_NextPart_001_01CD23DB.100B020C Content-Type: multipart/alternative; boundary="----_=_NextPart_002_01CD23DB.100B020C" ------_=_NextPart_002_01CD23DB.100B020C Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thomas, =20 You might also want to consider a Prince propeller. See = http://www.princeaircraft.com/ Lonnie Prince is a great guy to work = with and very responsive. I am using one of his composite P-tip fixed = pitch propellers on my Mustang II with a turbo 13B rotary and it has = worked very well for me. Prince makes a very high quality propeller and = he will customize it for you. =20 Bob J. Rogers Mustang II N62BT =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Thomas Giddings Sent: Thursday, April 26, 2012 11:44 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Fixed Pitch props. =20 Actually I would prefer a wood/composite type of prop. I just got off = the phone with Craig Catto and he has agreed to look further into the = deal. He is really a smart guy. Nice to talk with also. Lots of = experience there. We will see what he comes back with. He did confirm my = thinking is correct about having excess power for take off and climb. = The idea is to over power the fixed pitch prop to get it spinning and = working. Once you reach those numbers all is good. I am hoping it can be = done. KIND REGARDS Thomas Giddings n360tg@earthlink.net 727 858 1772 =20 =20 =20 On Apr 26, 2012, at 11:59 AM, Charlie England wrote: They still make wood props, too, & they would almost certainly be able = to hit your RPM/HP/speed target if you can give them good numbers on the = HP & real world speed for your airframe. They were able to duplicate the = speed of a Bernie Warnke prop (very, very good prop) on an RV-4 I owned = about 10 years ago. Charlie On 04/26/2012 12:28 AM, William Jepson wrote:=20 Another possibility is Senessich (never could spell that), they have a = new ground adjustable prop. Carbon blades aluminum hub, which is = supposed to be designed around RV speed and HP. They are supposed to = offer a 2 and 3 blade option. Bill Jepson On Apr 25, 2012 8:53 PM, "Michael McMahon" wrote: I've been thinking along the same lines. The one person I've heard of = often as a potential builder is Craig Catto, www.cattoprops.com = . Last time I looked his props were = around $3,000, I think, but I have no idea if that is current. There = is also a new possibility, which is to have the prop manufactured on a = resin printer and then wrap it in carbon fiber. I've done a little = research on that front and spoke to a manufacturer last year at the = CAF=C9 Electric Flight Symposium (this weekend in Santa Rosa!) who = confirmed that it's possible and is already being done for military = drones. =20 Please post your findings! =20 Thanks, =20 Mike =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Thomas Giddings Sent: Wednesday, April 25, 2012 6:57 PM To: Rotary motors in aircraft Subject: [FlyRotary] Fixed Pitch props. =20 I am curious what you folks might recommend for a fixed pitch prop = builder for my project. I will have a lot of excess power and do not = think it would be as difficult to get an acceptable level of performance = with a lot less money and simplicity. Your thoughts KIND REGARDS Thomas Giddings n360tg@earthlink.net 727 858 1772 =20 =20 =20 =20 =20 =20 ------_=_NextPart_002_01CD23DB.100B020C Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Thomas,

=

 

You might also want to consider a = Prince propeller. See http://www.princeaircraft.com/ =A0Lonnie Prince is a great guy = to work with and very responsive.=A0 I = am using one of his composite P-tip fixed pitch propellers on my Mustang II with a = turbo 13B rotary and it has worked very well for me.=A0 Prince makes a very high quality propeller and he will customize = it for you.

 

Bob J. = Rogers

Mustang = II

N62BT

 

From: = Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Thomas = Giddings
Sent: Thursday, April 26, = 2012 11:44 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Fixed Pitch props.

 

Actually I would prefer a wood/composite type of prop.  I = just got off the phone with Craig Catto and he has agreed to look further into = the deal. He is really a smart guy. Nice to talk with also. Lots of experience = there. We will see what he comes back with. He did confirm my thinking is correct = about having excess power for take off and climb. The idea is to over power = the fixed pitch prop to get it spinning and working. Once you reach those numbers = all is good. I am hoping it can be done.

KIND = REGARDS

Thomas = Giddings

727 858 = 1772

 <= /o:p>

 

 

On Apr 26, 2012, at 11:59 AM, Charlie England = wrote:



They still make wood props, too, & they would almost = certainly be able to hit your RPM/HP/speed target if you can give them good numbers = on the HP & real world speed for your airframe. They were able to duplicate = the speed of a Bernie Warnke prop (very, very good prop) on an RV-4 I owned = about 10 years ago.

Charlie

On 04/26/2012 12:28 AM, William Jepson wrote: =

Another possibility is Senessich (never could spell that), they have a new = ground adjustable prop. Carbon blades aluminum hub, which is supposed to be = designed around RV speed and HP. They are supposed to offer a 2 and 3 blade = option. Bill Jepson

On Apr 25, 2012 8:53 PM, "Michael McMahon" <afm528@gmail.com> wrote:

I’ve been thinking along the same = lines.  The one person I’ve heard of often as a potential builder is Craig Catto, = www.cattoprops.com .  Last time I looked his props were around $3,000, I think, but I = have no idea if that is current.   There is also a new possibility, = which is to have the prop manufactured on a resin printer and then wrap it in = carbon fiber.  I’ve done a little research on that front and spoke = to a manufacturer last year at the CAF=C9 Electric Flight Symposium (this = weekend in Santa Rosa!) = who confirmed that it’s possible and is already being done for = military drones.

 

Please post your = findings!

 

Thanks,

 

Mike

 

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Thomas Giddings
Sent: Wednesday, April = 25, 2012 6:57 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] = Fixed Pitch props.

 

I am = curious what you folks might recommend for a fixed pitch prop builder for my project. = I will have a lot of excess power and do not think it would be as difficult to = get an acceptable level of performance with a lot less money and simplicity. = Your thoughts

KIND REGARDS

Thomas Giddings

 

 

 

 

 

------_=_NextPart_002_01CD23DB.100B020C-- ------_=_NextPart_001_01CD23DB.100B020C Content-Type: application/octet-stream; name="editdata.mso" Content-Transfer-Encoding: base64 Content-ID: Content-Description: editdata.mso Content-Location: editdata.mso QWN0aXZlTWltZQAAAfAEAAAA//////AADfBMAQAADAEAADwBAAAAAAAACQQAAP8SAAAHBgAMABIA AQD+AAAAAwEBCgEAAAAoAAMFCkEAZABvACYAYgBlACAAUABEAEYAAAAAAAARQwByAGUAYQB0AGUA QQBkAG8AYgBlAFAARABGADcALgAwAAAAAP8BAAAAFEMAdQBzAHQAbwBtACAAUABvAHAAdQBwACAA MwA3ADkAOAAyADMANAADAQEKAQAAACgAAwURQQBjAHIAbwBiAGEAdAAgACYAQwBvAG0AbQBlAG4A dABzAAAAAAAAD0kAbQBwAG8AcgB0AEMAbwBtAG0AZQBuAHQAcwA2AAAAAP8BAAAAFEMAdQBzAHQA bwBtACAAUABvAHAAdQBwACAAMwA3ADkAOAAyADUAMAAlAAAAAAACAAAL+R4AAPkeAAAhAAAAAQB6 AAAM+R4AAPkeAACbAAAAAQCEAEAAAAvwBAAAABI0Vng= ------_=_NextPart_001_01CD23DB.100B020C--