X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from elasmtp-galgo.atl.sa.earthlink.net ([209.86.89.61] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5510695 for flyrotary@lancaironline.net; Thu, 26 Apr 2012 15:57:57 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.61; envelope-from=n360tg@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=WyLTWot7+IrTwowtaWT76GHKlEshjtgI+V07IKYSJ6RvpLHR0LCRzguYAaTYDdpP; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [173.163.220.153] (helo=[192.168.6.62]) by elasmtp-galgo.atl.sa.earthlink.net with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.67) (envelope-from ) id 1SNUob-0001sU-8D for flyrotary@lancaironline.net; Thu, 26 Apr 2012 15:57:21 -0400 From: Thomas Giddings Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-34-680754985 Subject: Re: [FlyRotary] Re: Fixed Pitch props. Date: Thu, 26 Apr 2012 15:57:20 -0400 In-Reply-To: To: "Rotary motors in aircraft" References: Message-Id: X-Mailer: Apple Mail (2.1084) X-ELNK-Trace: 77b0437ff618fec294f5150ab1c16ac07c540ca440b21de71bda61a4ebfac83c74e5c549d905b019350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 173.163.220.153 --Apple-Mail-34-680754985 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 Thanks Bob KIND REGARDS Thomas Giddings n360tg@earthlink.net 727 858 1772 On Apr 26, 2012, at 2:33 PM, Rogers, Bob J. wrote: > 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: >=20 >=20 > 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. >=20 > Charlie >=20 > 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 >=20 > On Apr 25, 2012 8:53 PM, "Michael McMahon" wrote: > I=92ve been thinking along the same lines. The one person I=92ve = 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=92ve 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=92s 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 --Apple-Mail-34-680754985 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252
KIND = REGARDS
Thomas Giddings
72= 7 858 1772



On Apr 26, 2012, at 2:33 PM, Rogers, Bob J. = wrote:

=

Thomas,

<= p class=3D"MsoNormal"> 

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.

 

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

 

 

 

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=92ve been thinking along the same lines.  = The one person I=92ve 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=92ve 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=92s 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

 

 

 

 

 

=

= = --Apple-Mail-34-680754985--