X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [65.54.250.82] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 1045067 for flyrotary@lancaironline.net; Fri, 24 Mar 2006 09:10:02 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.250.82; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 24 Mar 2006 06:05:32 -0800 Message-ID: Received: from 4.171.114.66 by BAY115-DAV10.phx.gbl with DAV; Fri, 24 Mar 2006 14:05:30 +0000 X-Originating-IP: [4.171.114.66] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Rotary installed weight comparison Date: Fri, 24 Mar 2006 09:05:29 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0053_01C64F22.18F24210" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.20.0026.0800 Seal-Send-Time: Fri, 24 Mar 2006 09:05:29 -0500 X-OriginalArrivalTime: 24 Mar 2006 14:05:32.0238 (UTC) FILETIME=[038DEEE0:01C64F4C] This is a multi-part message in MIME format. ------=_NextPart_000_0053_01C64F22.18F24210 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Here's the data from my W&B page of builders log. Left main : 448 Right Main :436 tail wheel :50 Tot. Empty weight : 934 Empty CG Moment : 68.675 This was prior to paint and a few other instrument panel meters & GPS. The airplane gained weight due to several later additions like electric = flaps, paint, better plenums, leather seat cushions. =20 Then it lost some weight due to removal of extra battery (15 lb), = lighter engine mount (6 lbs), oil filter plumbing (3.5 lb) Renesis = engine (13 lbs), lighter intake manifold (6 lbs), redrive mods (3 lbs), = removal of oil/coolant heat exchanger in oil pan (2.2 lb) and several = other minor things that I have lost track of. What the empty weight is now is not known but I can tell the CG is = further aft. I used to carry up to 240 lbs in back seat with neutral = stability. Now it happens at 220 lbs so that is my new upper limit for = pax weight. Tracy Subject: [FlyRotary] Rotary installed weight comparison ..(this was the thread about the [FlyRotary] Re: Rotary - FWD from = Lancair ES List ).. Here's info for a rotary installation comparison if Tracy can recall = his last W&B on his RV-4. Tracy, how does your plane compare to this?=20 a.. My RV-4 is bone stock VFR with lights (think = J3-with-a-speed-kit) first flown in '96.=20 b.. Lyc O-320 E2G, 150 HP, 2 mags, carb, no vacuum system, one radio = and transponder=20 c.. Sensenich FP metal prop with 2 2" spacers (41 pounds total for = prop & spacers)=20 d.. That big stock boat anchor starter=20 e.. Heavier than necessary 10 ply tires (extra 6#) because they were = on sale.=20 Empty weight 979# with 48# on the tail wheel Empty CG 69.25 inches (using the 60 inch datum) Mike McGee, RV-4 N996RV, O320-E2G, Hillsboro, OR 13B in gestation mode, RD-1C, EC-2 At 09:00 2006-03-23, you wrote: It varies a lot depending on builder choices but I would put it = closer to an O - 320, a 30 - 45 lb difference depending on which of the = many versions of the IO - 360 that Lycoming made). The counterweighted = crankshaft on the angle valve IO-360 (200 HP models) accounts for a 28 = pound increase alone. =20 Tracy Hennie, I'm told the 2-rotor will come in about the same as an IO-360 = installation. This is a very common install in the RV-6, also in the = RV-4 (Tracy Crook). If you're really interested, you can get onto the = Fly Rotary group. Good bunch of guys and they will be able to answer = any question you may have about the rotary. Mark =20 -------------------------------------------------------------------------= - From: Rotary motors in aircraft [ = mailto:flyrotary@lancaironline.net] = On Behalf Of Hennie van Rooyen [HQP] Sent: Thursday, March 23, 2006 5:56 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Rotary - FWD from Lancair ES List Hi Mark and anyone, " Mazdatrix recently dyno'd a N/A peripheral-ported 13B for Paul = Lamar at 250hp @ 6000rpm, running a carburetor. That is an easy = 125hp/rotor, and 250 hp from a 195# engine." What would be a reasonable firewall forward weight of such a N/A = complete installation? What I really want to know is what is the = lightest installation to be expected based on average experience? Regards, Hennie ------=_NextPart_000_0053_01C64F22.18F24210 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Here's the data from my W&B page of builders log.
 
Left main    : 448
Right Main    :436
tail wheel    :50
 
Tot. Empty weight : 934
Empty CG Moment  : 68.675
 
This was prior to paint and a few other instrument panel meters=20 & GPS.
 
The airplane gained weight due to several later additions like = electric=20 flaps, paint, better plenums, leather seat cushions.  
 
Then it lost some weight due to removal of extra battery (15 lb), = lighter=20 engine mount (6 lbs), oil filter plumbing (3.5 lb) Renesis engine (13 = lbs),=20 lighter intake manifold (6 lbs), redrive mods (3 lbs), removal of = oil/coolant=20 heat exchanger in oil pan (2.2 lb) and several other minor things that I = have=20 lost track of.
 
What the empty weight is now is not known but I can tell the CG is = further=20 aft.  I used to carry up to 240 lbs in back seat with neutral=20 stability.  Now it happens at 220 lbs so that is my new upper limit = for pax=20 weight.
 
Tracy
 
Subject: [FlyRotary] Rotary = installed=20 weight comparison

..(this was the thread about the [FlyRotary] Re: Rotary = - FWD=20 from Lancair ES List )..

Here's info for a rotary installation=20 comparison if Tracy can recall his last W&B on his RV-4.  = Tracy, how=20 does your plane compare to this?=20
  • My RV-4 is bone stock VFR with lights (think = J3-with-a-speed-kit) first=20 flown in '96.=20
  • Lyc O-320 E2G, 150 HP, 2 mags, carb, no vacuum system, one radio = and=20 transponder=20
  • Sensenich FP metal prop with 2 2" spacers (41 pounds total for = prop=20 & spacers)=20
  • That big stock boat anchor starter=20
  • Heavier than necessary 10 ply tires (extra 6#) because they were = on=20 sale.
Empty weight 979# with 48# on the tail = wheel
Empty CG 69.25=20 inches (using the 60 inch datum)


Mike McGee, RV-4 N996RV, = O320-E2G,=20 Hillsboro, OR
13B in gestation mode, RD-1C, EC-2



At = 09:00=20 2006-03-23, you wrote:
It varies a lot = depending on=20 builder choices but I would put it closer to an O - 320,  a 30 = - 45 lb=20 difference depending on which of the many versions of the IO - 360 = that=20 Lycoming made).  The counterweighted crankshaft on the angle = valve=20 IO-360  (200 HP models) accounts for a 28 pound increase=20 alone.
 
Tracy

Hennie,
I=92m told the 2-rotor will come in about the same as an = IO-360=20 installation.  This is a very common install in the RV-6, = also in the=20 RV-4 (Tracy Crook).  If you=92re really interested, you can = get onto=20 the Fly Rotary group.  Good bunch of guys and they will be = able to=20 answer any question you may have about the rotary.

 
Mark   

From: Rotary motors in = aircraft [=20 mailto:flyrotary@lancaironline.net] On Behalf Of Hennie = van Rooyen=20 [HQP]
Sent: Thursday, March 23, 2006 5:56 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Rotary - FWD from Lancair ES=20 List

 
Hi = Mark and=20 anyone,

 
" Mazdatrix = recently dyno=92d a=20 N/A peripheral-ported 13B for Paul Lamar at 250hp @ 6000rpm, = running a=20 carburetor.  That is an easy 125hp/rotor, and 250 hp from a = 195#=20 engine."

 
What = would be a=20 reasonable firewall forward weight of such a N/A complete = installation?=20 What I really want to know is what is the lightest installation to = be=20 expected based on average experience?

 
Regards,

 
Hennie
=20
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