Return-Path: Received: from [24.227.161.51] (HELO qnsi-xch.qnsi.net) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 810061 for flyrotary@lancaironline.net; Fri, 18 Mar 2005 12:56:48 -0500 Received-SPF: none receiver=logan.com; client-ip=24.227.161.51; envelope-from=bhughes@qnsi.net X-MimeOLE: Produced By Microsoft Exchange V6.5.6944.0 Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C52BE4.3957F732" Disposition-Notification-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: Engine size-negative G's Date: Fri, 18 Mar 2005 11:59:25 -0600 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Engine size-negative G's Thread-Index: AcUr442pm+r+0t+lQKeoRyWMmEkb+gAAI29A From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C52BE4.3957F732 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Take a look at the Starmazda site. Look under the Factory menu and go to photo page 33.=20 =20 Is this a dry sump system? =20 Bobby=20 =20 http://www.starmazda.com/starcars/index.html ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of kenpowell@comcast.net Sent: Friday, March 18, 2005 11:50 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Engine size-negative G's Randy, If you use Tracy's 2.85 redrive and turn 7500 to 8000 rpm 240 HP should be obtainable with a good intake and exhaust. Note that there is much disagreement as to what the correct lengths should be for both the intake and exhaust - be prepared to experiment. Also, no one that I am aware of is doing 'negative G maneuvers' with a rotary and I'm not sure how you would configure the oil system. Does anyone here know for sure? Ken Powell=20 Bryant, Arkansas=20 501-847-4721 =20 -------------- Original message --------------=20 =09 > Gentlemen,=20 > I am building an acro rated single seat biplane that the designer=20 > has limited the max. engine size to IO-360. I am surmising that this=20 > engine limitation is based on weight and airframe maximum speed. I have=20 > decided to use rotary power and am slowly developing a plan as to what=20 > I will use. I am looking for a little more help going "vertical." The=20 > rotary weight (less) will be a bonus. I am not an engineer and am not=20 > even related to one so my question:=20 > Can I go to a P-port 2 rotor in the 230-240 hp range if I do not=20 > exceed the max. airframe speed.=20 > Thank you,=20 > Randy=20 >=20 >=20 >=20 >=20 > >> Homepage: http://www.flyrotary.com/=20 > >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------_=_NextPart_001_01C52BE4.3957F732 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Take a look at the Starmazda site. Look under = the Factory=20 menu and go to photo page 33.
 
Is this a dry sump system?
 
Bobby
 
http://www.starmazd= a.com/starcars/index.html

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of=20 kenpowell@comcast.net
Sent: Friday, March 18, 2005 11:50=20 AM
To: Rotary motors in aircraft
Subject: = [FlyRotary] Re:=20 Engine size-negative G's

Randy,
If you use Tracy's 2.85 redrive and turn 7500 to 8000 rpm 240 HP = should be=20 obtainable with a good intake and exhaust.  Note that there is much = disagreement as to what the correct lengths should be for both the = intake and=20 exhaust - be prepared to experiment.  Also, no one that I am aware = of is=20 doing 'negative G maneuvers' with a rotary and I'm not sure how you = would=20 configure the oil system.  Does anyone here know for sure?

Ken Powell
Bryant, Arkansas
501-847-4721
 
--------------=20 Original message --------------

> Gentlemen,
> I am = building=20 an acro rated single seat biplane that the designer
> has = limited the=20 max. engine size to IO-360. I am surmising that this
> engine=20 limitation is based on weight and airframe maximum speed. I have =
>=20 decided to use rotary power and am slowly developing a plan as to what =
> I will use. I am looking for a little more help going = "vertical." The=20
> rotary weight (less) will be a bonus. I am not an engineer = and am not=20
> even related to one so my question:
> Can I go to a = P-port 2=20 rotor in the 230-240 hp range if I do not
> exceed the max. = airframe=20 speed.
> Thank you,
> Randy
>
>
> =
>=20
> >> Homepage: http://www.flyrotary.com/
> = >>=20 Archive: http://lancaironline.net/lists/flyrotary/List.html=20 ------_=_NextPart_001_01C52BE4.3957F732--