X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nk11p99mm-asmtpout008.mac.com ([17.158.233.229] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5524202 for flyrotary@lancaironline.net; Sat, 05 May 2012 13:16:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=17.158.233.229; envelope-from=markmcclure@me.com MIME-version: 1.0 Content-type: multipart/alternative; boundary="Boundary_(ID_tGNDXXbFPqeDoU420qRpFw)" Received: from [192.168.2.7] (99-59-114-155.lightspeed.sndgca.sbcglobal.net [99.59.114.155]) by nk11p03mm-asmtp998.mac.com (Oracle Communications Messaging Exchange Server 7u4-22.01 64bit (built Apr 21 2011)) with ESMTPSA id <0M3K00M027Y95R00@nk11p03mm-asmtp998.mac.com> for flyrotary@lancaironline.net; Sat, 05 May 2012 17:15:46 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.6.7580,1.0.260,0.0.0000 definitions=2012-05-05_04:2012-05-04,2012-05-05,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=6.0.2-1012030000 definitions=main-1205050167 Subject: Re: [FlyRotary] Re: Twin Velocity References: From: Mark McClure X-Mailer: iPad Mail (9B176) In-reply-to: Message-id: <17C7A5EF-60AC-457F-8391-C68EE31DE19E@me.com> Date: Sat, 05 May 2012 10:15:44 -0700 To: Rotary motors in aircraft --Boundary_(ID_tGNDXXbFPqeDoU420qRpFw) Content-type: text/plain; CHARSET=US-ASCII Content-transfer-encoding: 7BIT It is 100% for rudder authority on single engine. When you go single engine on non centerline thrust you are basically throwing full rudder to counter the yaw. I will be the cynic here, in their specs they are listing a fuel burn of 12 gph at Eco cruise. I don't think I have ever been able to get an IO 320 to burn 6 gph - but that was single eng. Also curious about performance with single engine when close to gross weight and or high density altitudes. Claiming 320fpm but there is an asterisk that is not explained. There are definite times to having more than one engine. Over water being the most important but I am not sold on the comments about night flying or IMC single engine. It will definitely be a cool project to watch grow though. And two nicely tuned 180hp Mazdas would make this a great aircraft for sure. Mark McClure On May 5, 2012, at 9:42 AM, bktrub@aol.com wrote: > Maybe for a bit more rudder authority in case of one engine out? > > Brian Trubee > > > -----Original Message----- > From: Greg Ward > To: Rotary motors in aircraft > Sent: Sat, May 5, 2012 9:26 am > Subject: [FlyRotary] Re: Twin Velocity > > How weird to see a velocity with a vert stab. Wonder why they changed the configuration. > Greg Ward > Legacy N178RG 20B, Still in progress > ----- Original Message ----- > From: Chris Barber > To: Rotary motors in aircraft > Sent: Saturday, May 05, 2012 7:05 AM > Subject: [FlyRotary] Re: Twin Velocity > > It's a kewl plane. I got to see it when I was at the factory last month for transition training. > > Chris > > Sent from my iPhone 4 > > On May 4, 2012, at 7:03 PM, "Kelly Troyer" wrote: > >> Group, >> >> This thing is just begging for two 13B or Renesis Rotary engines !!..........................<:) >> >> http://www.velocityaircraft.com/airplane-models-vtwin.html >> >> >> V-Twin Video - www.vimeo.com/39171839 >> >> -- >> Kelly Troyer >> Dyke Delta_"Eventually" >> 13B_RD1C_EC2_EM2 --Boundary_(ID_tGNDXXbFPqeDoU420qRpFw) Content-type: text/html; CHARSET=US-ASCII Content-transfer-encoding: quoted-printable
It is 100% for rudder auth= ority on single engine. When you go single engine on non centerline thrust y= ou are basically throwing full rudder to counter the yaw. 
I will be the cynic here, in their specs they are listing a fue= l burn of 12 gph at Eco cruise. I don't think I have ever been able to get a= n IO 320 to burn 6 gph - but that was single eng. 

=
Also curious about performance with single engine when close to gross w= eight and or high density altitudes. Claiming 320fpm but there is an asteris= k that is not explained.

There are definite times t= o having more than one engine. Over water being the most important but I am n= ot sold on the comments about night flying or IMC single engine.
<= br>
It will definitely be a cool project to watch grow though. And= two nicely tuned 180hp Mazdas would make this a great aircraft for sure.

Mark McClure

On May 5, 2012, at 9:42 AM= , bktrub@aol.com wrote:

<= div>
Maybe for a bit more rudder authority in case of one engine out?
 
Brian Trubee


-= ----Original Message-----
From: Greg Ward <gregw@onestop= design.biz>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sat, May 5, 2012 9:26 am
Subject: [FlyRotary] Re: Twin Velocity

How weird to see a velocity with a vert stab.&n= bsp; Wonder why they changed the configuration.
Greg Ward
Legacy N178RG 20B, Still in progress
----- Original Message -----
From:= Chris Barber
Sent: Saturday, May 05, 2012 7:05 AM<= /div>
Subject: [FlyRotary] Re: Twin Velocit= y

It's a kewl plane. I got to see it when I was at the factory last month= for transition training. 

Chris

Sent from my iPhone 4

On May 4, 2012, at 7:03 PM, "Kelly Troyer" <keltro@gmail.com> wrote:

Group,
 
    This thing is just begging for two 13B or Renesis Ro= tary engines !!..........................<:)
 
 
 
V-Twin Video - www.vimeo.com/39171839

--
Kelly Troyer
Dyke Delta_"Eventually"
13B_RD1C_EC2_EM2
= --Boundary_(ID_tGNDXXbFPqeDoU420qRpFw)--