X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from mail10.syd.optusnet.com.au ([211.29.132.191] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTPS id 2055605 for flyrotary@lancaironline.net; Sun, 20 May 2007 18:20:05 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.191; envelope-from=lendich@optusnet.com.au Received: from george (d58-108-110-165.dsl.nsw.optusnet.com.au [58.108.110.165]) by mail10.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l4KMJJQX002587 for ; Mon, 21 May 2007 08:19:21 +1000 Message-ID: <001501c79b2c$eb98bb70$a56e6c3a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Single Rotor update Date: Mon, 21 May 2007 08:19:21 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C79B80.BC1ACA60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C79B80.BC1ACA60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Richard, That's all good information, as I regularly try to convince people to = consider the single as an alternative engine for aviation requirements = of 80hp to 125hp - so 170 lbs is quite light indeed! The only info I have had to date on weights is the stock housings and a = PSRU of a similar design to Tracy's which is why I quoted the 240 lbs. I will have to sit down (one day) and weight everything to show how = these weights are derived, for those who might be interested in a single = in the not to distant future, so keep up the good work there may be more = people interested than you might imagine. George ( down under) George, FireWallForward means everything ready to fly, but dry.=20 Hope this helps. My redrive is a Hirth G40 which is rated for up to 140HP. Gear ratio = for my AVID is 3:1. This gear box is available with a clutch if needed. ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Saturday, May 19, 2007 4:16 PM Subject: [FlyRotary] Re: Single Rotor update Thanks Richard, What is the 170lb made up of, are you including PSRU, radiator and = fluids? I was estimating an all up weight of 240lb with Tracy's PSRU (45lb) = - if I remember correctly your using something lighter ( Rotax?).=20 George ( down under) George, the original side housing on the flywheel end is 30lb including = stationary gear, my compound housing is 15.5lb. Keep in mind that is has = been adjusted to single Rotor requirements, like smaller water passage = and a few other things. On the water pump side, the difference is going to be somewhat = less, because of the stationary gear.=20 Over all, a FF weight of 170lb is still the goal, and possible. Richard Sohn N2071U ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Friday, May 18, 2007 10:01 PM Subject: [FlyRotary] Re: Single Rotor update Today, I did an engine tear down after the first hr = accumulated running with the new compound side housing. The runs were about 7 to 8 min each. This is the time it takes = the engine on the test stand to heat up to max temperature, which was = over 200F on water and oil. There was never a leak of water or oil during the tests.=20 As the inspection indicated, the O-Ring seal around the = bearing area was as it was when installed. The clamping of the cast iron = insert did not show any movements. It looks like the compound side housing with the floating = insert periphery is going to work.=20 Next is fixing the test stand for running the engine with gear = box and propeller for max power testing. At the same time, I will = incorporate ancilliary items, such as ignition, exhaust, fuel system, = cooling and motor mount. Richard Sohn N2071U Richard, Very good outcome - will you give the weight difference = between the cast iron and the composite housing. George (down under) ---------------------------------------------------------------------- ------------------------------------------------------------------------ No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.467 / Virus Database: 269.7.3/809 - Release Date: = 5/17/2007 5:18 PM -------------------------------------------------------------------------= --- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.467 / Virus Database: 269.7.3/809 - Release Date: = 5/17/2007 5:18 PM -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0012_01C79B80.BC1ACA60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Richard,
That's all good information, = as I regularly try to convince people to consider = the single as=20 an alternative engine for aviation requirements of 80hp to 125hp = - so 170=20 lbs is quite light indeed!
 
The only info I have had to date on = weights is the=20 stock housings and a PSRU of a similar design to Tracy's which is why I = quoted=20 the 240 lbs.
 
I will have to sit down (one day) and = weight=20 everything to show how these weights are derived, for those who might be interested in a single in the not to = distant=20 future, so keep up the good work there may be more people interested = than you=20 might imagine.
 
George ( down under)
George,
 
FireWallForward means everything = ready to fly,=20 but dry.
 
Hope this helps.
 
My redrive is a Hirth G40 which is = rated for up=20 to 140HP. Gear ratio for my AVID is 3:1. This gear box is available = with a=20 clutch if needed.
 
 
----- Original Message -----
From:=20 George Lendich
To: Rotary motors in = aircraft=20
Sent: Saturday, May 19, 2007 = 4:16=20 PM
Subject: [FlyRotary] Re: = Single Rotor=20 update

Thanks Richard,
What is the 170lb made up of, are = you including=20 PSRU, radiator and fluids?
I was estimating an all up weight = of 240lb with=20 Tracy's PSRU (45lb) - if I remember correctly your using something = lighter (=20 Rotax?). 
George ( down = under)
George,
 
the original side housing on the = flywheel end=20 is 30lb including stationary gear, my compound housing is = 15.5lb.=20 Keep in mind that is has been adjusted to single Rotor = requirements, like=20 smaller water passage and a few other things.
 
On the water pump side, the = difference is=20 going to be somewhat less, because of the stationary gear. =
 
Over all, a FF weight of 170lb is = still the=20 goal, and possible.
 
Richard = Sohn
N2071U
----- Original Message ----- =
From:=20 George Lendich =
To: Rotary motors in = aircraft=20
Sent: Friday, May 18, = 2007 10:01=20 PM
Subject: [FlyRotary] Re: = Single=20 Rotor update

 
Today, I did an engine tear = down after=20 the first hr accumulated running with the new compound side=20 housing.
The runs were about 7 to = 8 min each.=20 This is the time it takes the engine on the test stand to heat = up to=20 max temperature, which was over 200F on water and=20 oil.
 
There was never a leak of = water or oil=20 during the tests.
 
As the inspection indicated,=20 the O-Ring seal around the bearing area was as it was = when=20 installed. The clamping of the cast iron insert did not show = any=20 movements.
 
It looks like the compound = side housing=20 with the floating insert periphery is going to work. =
 
Next is fixing the test stand = for running=20 the engine with gear box and propeller for max power testing. = At the=20 same time, I will incorporate ancilliary items, such as = ignition,=20 exhaust, fuel system, cooling and motor mount.
 
Richard = Sohn
N2071U

Richard,
Very good outcome - will you = give the=20 weight difference between the cast iron and the composite=20 housing.
George (down = under)

No virus found in this incoming message.
Checked by = AVG Free=20 Edition.
Version: 7.5.467 / Virus Database: 269.7.3/809 - = Release=20 Date: 5/17/2007 5:18 PM

No virus found in this incoming message.
Checked by AVG = Free=20 Edition.
Version: 7.5.467 / Virus Database: 269.7.3/809 - = Release Date:=20 5/17/2007 5:18 PM

--
Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:  =20 = http://mail.lancaironline.net:81/lists/flyrotary/List.html
------=_NextPart_000_0012_01C79B80.BC1ACA60--