X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 1 [X] Return-Path: Received: from imo-d03.mx.aol.com ([205.188.157.35] verified) by logan.com (CommuniGate Pro SMTP 5.1.3) with ESMTP id 1693251 for flyrotary@lancaironline.net; Wed, 20 Dec 2006 00:20:42 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.157.35; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-d03.mx.aol.com (mail_out_v38_r7.6.) id q.c07.cc2f0e6 (40520) for ; Wed, 20 Dec 2006 00:19:53 -0500 (EST) From: WRJJRS@aol.com Message-ID: Date: Wed, 20 Dec 2006 00:19:50 EST Subject: Re: [FlyRotary] Re: hydraulic constant speed prop for rotarys To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1166591990" X-Mailer: 9.0 SE for Windows sub 5032 X-Spam-Flag: NO -------------------------------1166591990 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 12/19/2006 10:53:12 AM Pacific Standard Time, eanderson@carolina.rr.com writes: Guess I did, Bill. I know the governor has the pump to do this, its just I've not found a governor suitable for a rotary engine. OK Ed, I kind of figured you understood about the pump in the governor. As to the speed, I figured that the governor would require a reduction identical (or really close) to the PSRU. This could be a toothed belt/pulley system. With the reduction any standard governor would work. Mistral uses a helical right angle drive to a pad on the side of the prop shaft. I've also seen a v-belt driving off a pulley at the front similar to the O-360 Lyc alternator drive. Some movement is OK it needn't be timed. The reason I'm interested is the RV-10 will probably benefit from a CS. As you mentioned the RV-4 hardly needs a CS. Just more complication. I am supprised Tracy didn't think about the other planes that would or could be using the drive when going into production though. Bill Jepson -------------------------------1166591990 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 12/19/2006 10:53:12 AM Pacific Standard Time,=20 eanderson@carolina.rr.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D3>Guess I did, Bill.  I know the governor ha= s the=20 pump to do this, its just I've not found a governor suitable for a rotary=20 engine.
OK Ed,
I kind of figured you understood about the pump in the governor. As to=20= the=20 speed, I figured that the governor would require a reduction identical (or=20 really close) to the PSRU. This could be a toothed belt/pulley system. With=20= the=20 reduction any standard governor would work. Mistral uses a helical right ang= le=20 drive to a pad on the side of the prop shaft. I've also seen a v-belt drivin= g=20 off a pulley at the front similar to the O-360 Lyc alternator drive. Some=20 movement is OK it needn't be timed. The reason I'm interested is the RV-10 w= ill=20 probably benefit from a CS.
 As you mentioned the RV-4 hardly needs a CS. Just more complicati= on.=20 I am supprised Tracy didn't think about the other planes that would or could= be=20 using the drive when going into production though.
Bill Jepson 
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