X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.253] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3630714 for flyrotary@lancaironline.net; Sun, 03 May 2009 16:49:59 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.253; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] prop? Date: Sun, 3 May 2009 15:50:12 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C9CC39.23436E96" Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F30D85F3@qnsi-mail.qnsi.net> Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mimeole: Produced By Microsoft Exchange V6.5 Thread-Topic: [FlyRotary] prop? thread-index: AcnMNZgst4pySvRFRRGUZTWzX17ZRAAATxOw References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C9CC39.23436E96 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Bryan, =20 Not sure about the HP rating. Sounds too low. With the MT you should be able to turn 7500 rpm. The holes can be opened up. Jim at http://www.lessdrag.com/ is an MT dealer that a couple of us purchased our props from. Jim sells the 7/16 threaded Lycoming inserts but they are not cheep. I think the Egg subi guys put the prop in manual mode before doing acro.=20 =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bryan Winberry Sent: Sunday, May 03, 2009 2:23 PM To: Rotary motors in aircraft Subject: [FlyRotary] prop? I'm a novice when it comes to props. So, could I get some advice about the following prop that a guy has for sale. I have a Renesis with the RD-1C (RV 7). Plan on using the rotary cowl. The prop is question is a 3-blade MT. Model MTV 7-C-187-139. that's 73" diameter, electrically adjustable. Firstly, the bolts are 7/16 and the PSRU is 3/8th. Would there be a problem opening the holes? Secondly, the website (MT) indicates that 160 is max HP for the prop, but it also says that 175 is max diameter. This one is 187cm (73"). I have sent an email to MT regarding this, but want to let it get kicked around here on the forum. Lastly, in the construction manual, Van's doesn't recommend aerobatics with an electrically adjustable prop. Thanks in advance for your replies. Bryan ------_=_NextPart_001_01C9CC39.23436E96 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Bryan,
 
Not sure about the HP rating. Sounds too = low. With the=20 MT you should be able to turn 7500 rpm.  The holes = can be=20 opened up. Jim at http://www.lessdrag.com/ is = an MT=20 dealer that a couple of us purchased our props from. Jim sells the 7/16 = threaded=20 Lycoming inserts but they are not cheep.  I think the Egg subi guys = put the=20 prop in manual mode before doing acro. 
 
 Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Bryan=20 Winberry
Sent: Sunday, May 03, 2009 2:23 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] = prop?

I’m a novice when it = comes to props.=20 So, could I get some advice about the following prop that a guy has for=20 sale.

I have a Renesis with the = RD-1C (RV=20 7). Plan on using the rotary cowl.

The prop is question is a = 3-blade=20 MT.  Model MTV 7-C-187-139.  that’s 73” diameter, = electrically=20 adjustable.

Firstly, the bolts are = 7/16 and the=20 PSRU is 3/8th.  Would there be a problem opening the=20 holes?

Secondly, the website (MT) = indicates=20 that 160 is max HP for the prop, but it also says that 175 is max = diameter.=20  This one is 187cm (73”).

I have sent an email to MT = regarding=20 this, but want to let it get kicked around here on the=20 forum.

Lastly, in the = construction manual,=20 Van’s doesn’t recommend aerobatics with an electrically = adjustable=20 prop.

Thanks in advance for your = replies.

Bryan

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