X-Virus-Scanned: clean according to Sophos on Logan.com From: "Richard Sohn" Received: from smtp674.redcondor.net ([208.80.206.74] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 7121210 for flyrotary@lancaironline.net; Fri, 29 Aug 2014 15:26:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=208.80.206.74; envelope-from=res12@fairpoint.net Received: from smtp1v2.neonova.net ([137.118.16.32]) by smtp674.redcondor.net ({a08e97cc-7755-4613-8c0d-2c401d92a69d}) via TCP (outbound) with ESMTP id 20140829192531616 for ; Fri, 29 Aug 2014 19:25:31 +0000 X-RC-FROM: X-RC-RCPT: Received: from MAIN (dflo-66-243-231-248.gtcom.net [66.243.231.248]) (Authenticated sender: res12@fairpoint.net) by smtp1v2.neonova.net (Postfix) with ESMTPA id 9108579E024 for ; Fri, 29 Aug 2014 15:25:23 -0400 (EDT) Message-ID: To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Single Rotor Date: Fri, 29 Aug 2014 14:22:13 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_007B_01CFC394.A073E640" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3522.110 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3522.110 X-MAG-OUTBOUND: greymail.redcondor.net@137.118.16/24 This is a multi-part message in MIME format. ------=_NextPart_000_007B_01CFC394.A073E640 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The PSRU is from HIRTH, which they developed for their own line of two = stroke engines. It is rated up to 140hp and has a large range of ratios = available. I picked a 3.3:1 . I have now about 50hrs of runtime on the = test stand and AC and never did more than putting oil in. Assembly and = disassembly about 25 times on the test stand PSRU and there has never = been any oil leak. The down side is, like with Rotax, you have to take = the PSRU appart to remove it from the engine.=20 Input and output of the PSRU are with a tapered shaft, which is way = better than a spline, as Rotax has it.=20 Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html From: Bill Bradburry=20 Sent: Friday, August 29, 2014 2:01 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Single Rotor Richard, I quickly looked thru your website below and I didn=E2=80=99t see the = PSRU mentioned. What can you tell us about it? =20 Bill=20 =20 -------------------------------------------------------------------------= ------- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20 Sent: Friday, August 29, 2014 12:36 PM To: Rotary motors in aircraft Subject: [FlyRotary] Single Rotor =20 Here are a couple of pictures of my installation, and the face of the = Rotary Pragma. =20 Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html ------=_NextPart_000_007B_01CFC394.A073E640 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

The PSRU is from HIRTH, which they developed for their own = line of=20 two stroke engines. It is rated up to 140hp and has a large range of = ratios=20 available. I picked a 3.3:1 . I have now about 50hrs of runtime on the = test=20 stand and AC and never did more than putting oil in. Assembly and = disassembly=20 about 25 times on the test stand PSRU and there has never been any oil = leak. The=20 down side is, like with Rotax, you have to take the PSRU appart to = remove it=20 from the engine.

Input and output of the PSRU are with a tapered shaft, which is way = better=20 than a spline, as Rotax has it.

Richard=20 Sohn
N2071U

http://www.fairpoint.net/~res12/home.html

From: Bill Bradburry

Sent: Friday, August 29, 2014 2:01 PM

To: Rotary motors in = aircraft

Subject: [FlyRotary] Re: Single Rotor

Richard,

I quickly = looked thru=20 your website below and I didn=E2=80=99t see the PSRU mentioned. = What can you tell=20 us about it?

Bill=20

From:=20 Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net]
Sent: Friday, August 29, 2014 = 12:36=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Single=20 Rotor

Here are a = couple of=20 pictures of my installation, and the face of the Rotary=20 Pragma.

Richard=20 Sohn
N2071U

http://www.fairpoint.net/~res12/home.html

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