Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 604523 for flyrotary@lancaironline.net; Wed, 12 Jan 2005 08:39:04 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.73; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050112133834.GDMB2518.imf25aec.mail.bellsouth.net@rd> for ; Wed, 12 Jan 2005 08:38:34 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: props again Date: Wed, 12 Jan 2005 07:38:44 -0600 Message-ID: <001001c4f8ac$093a3710$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01C4F879.BE9FC710" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0011_01C4F879.BE9FC710 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The original prop was a 64 x 78. I replaced it with a 62 x 72, same manufacturer. Should take less power to swing it, which one would expect more rpm's? Paul Conner=20 =20 I agree. Did you do anything else to the engine since the last time you recorded a max rpm? I just can't imagine not getting any more rpm with = a smaller prop. The only thing I can think of is to check the MicroTech = for a rev limiter setting. From the info I can get on Google, it appears to = have a hard and soft rev limit setting that's programmable. You wouldn't = think that any unit set up for a rotary engine would default to a low setting = like that, but it's worth checking. =20 =20 Good luck, Rusty (still more decisions) =20 =20 ------=_NextPart_000_0011_01C4F879.BE9FC710 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
The original = prop was a=20 64 x 78.  I replaced it = with a 62 x=20 72, same manufacturer. Should take less power to swing it, which one = would=20 expect more rpm’s?  = Paul Conner 
 
I = agree.  Did you=20 do anything else to the engine since the last time you recorded a = max=20 rpm?  I just can't imagine not getting any more rpm with = a=20 smaller prop.  The only thing I can think of is to check=20 the MicroTech for a rev limiter = setting.   From=20 the info I can get on Google, it appears to have a hard and soft rev = limit=20 setting that's programmable.  You wouldn't think that any unit set = up for a=20 rotary engine would default to a low setting like that, but it's worth=20 checking.  
 
Good=20 luck,
Rusty = (still more=20 decisions)
  

 

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