X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3873402 for flyrotary@lancaironline.net; Sat, 03 Oct 2009 16:54:21 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (sv1-1.per.aanet.com.au [203.24.100.68]) by poplet2.per.eftel.com (Postfix) with ESMTP id 3F11D173553 for ; Sun, 4 Oct 2009 04:53:44 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id 8B8CBBEC016 for ; Sun, 4 Oct 2009 04:53:38 +0800 (WST) Message-ID: <85DA36055A4D4BD2A7E061E6B02EF91D@ownerf1fc517b8> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Zenith 801 Date: Sun, 4 Oct 2009 06:53:41 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01CA44BF.686C22C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 091003-0, 10/03/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0012_01CA44BF.686C22C0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Ben,=20 Hopefully you can now put that behind you. PL has however put a lot of time toward designing motor mounts. My = guess is that there is more than one way of doing things. I wouldn't = build my mount exactly as you did yours - so what, that doesn't make me = right either. BTW PL has never built an engine, he is an ideas man as someone = politely put it to me. He does attract a lot of knowledgeable people his = site, so to that extent the information is invaluable, for the likes of = someone like me, who needs all the help he can get.=20 We all have a story to tell and some much worse than yours, lets move = forward and talk no more about it. It's not worth the aggravation. George ( down under) To keep this thing fair I will post the hatchet job Mr Lamar = posted on the net. Before this I had never heard of him. The same time = this happened I got over 1000 hits on my website, the thing that = bothered me was I have a "contact me" page on my website.. A decent = person would have opened up a dialog to ask me reasons and debate me on = how I got to the end result of my plane. For whatever reason he didn't = want my side to be told,,, only his.... Bizarre for sure. Ben. This posting that was on the internet was forwarded to me by = several=20 friends.......=20 = -------------------------------------------------------------------------= --=C2=AD---------------------------------------------------------------=20 On the "801"=20 =E2=80=9CThis is an accident waiting to happen. The motor mount = is incorrectly=20 designed with un triangulated bays and bent tubes in tension and = compression. The firewall forward weight is at least 450 pounds=20 aluminum block or no aluminum block. No mention is made of = beefing up=20 the fuselage to take the vastly increased bending loads during = landing=20 and high G turns not to mention the increased bending loads on = the=20 wing spars. Zenairs are not over designed to begin with having = very=20 thin skins.=20 "The fuel burn is better then expected though and I am presently = confirming the JPI 450 for accuracy. Cruise @ 11,000 msl is = producing=20 5.9 0 -6.3 gallons an hour."=20 The numbers quoted above shows a lack of understanding about = engine=20 engineering in general. The fuel burn quoted at 6 gallons an = hour or=20 37 pounds an hour means the engine is only generating 83 HP = giving it=20 the benefit of a BSFC number of .45. In the unlikely event the = BSFC is=20 as low as .40 the HP then would be 93 HP at the absolute = maximum. Now=20 you have a 450 pound firewall forward weight putting out 93 HP = at=20 cruise.=20 Something is seriously wrong.=20 "The numbers I am shooting for are one pound of engine weight = for=20 each horsepower and a small total engine profile that will fit = in most=20 airframes."=20 What he is saying here is he things he is going to get 350 to = 400 HP=20 with a 1.43:1 PSRU ratio. With a 2600 RPM prop that is 3700 = engine=20 RPM. No way is that going to happen.=20 This person is totally clueless.=20 I am really worried here. Probably one of the most dangerous=20 airplanes I have seen in a very long time.=20 Paul Lamar=E2=80=9D=20 = -------------------------------------------------------------------------= --=C2=AD---------------------------------------------------------------- = I don't know who this "person" is or what his qualifications are = but..=20 I am compelled to answer his hatchet job on every topic.=20 My project is a one of a kind. I had no group, forum or any = other=20 source to go to during the design, and test flying of my = experimental=20 aircraft, so all the calculations, fabrications and = installations are=20 a one off and done to the best of my ability using past life=20 experiences from fabricating stuff on race boats, cars and god = only=20 knows whatever I have modified in earlier years.=20 I built my plane, 3000 + hours of MY time. I didn't but a half = built=20 one, or a completed one to use a test bed for my powerplant. I = have=20 been flying for almost 30 years and owned several other planes.=20 My experimental plane has been flying for 5 years and 300 = hours.=20 Been flown in air from 97f to -37f. Has over 500 landing, been = flown=20 from JAC, 6430 msl to 18,000 feet, full throttle, !! over a = couple of=20 dozen times to test it for strength. Been flown in all other = power=20 settings to comfirm and quantify data. Tested to +3.5g's to - = 2.5 g's.=20 Flown to OSH and back... not trucked there as others seem to do = to=20 display their creations.=20 My responses..=20 1- When is this " accident" going to happen ??=20 2- The mount is designed by me using triangulation, just go to = my web=20 site and look at the pics.=20 3- There are NO bent tubes in my mount. there are intersecting = angles=20 but that happens on ALL mounts. At those intersections the area = is=20 beefed up internally. Just because you can't see it doesn't mean = crap.=20 4- I know EXACTLY what it weighs. I don't guess like he seems = to. And=20 it is less then his "estimation"=20 5- Of course I beefed up the airframe as I built it. Just = because I=20 didn't state that on my website should not give him a pass at a = free=20 shot.=20 6- Zenith Aircraft seem to be an "issue" to him. Mine has twice = the=20 "suggested" HP and still has not broken in half.=20 7- The plane has so much power that at cruise I can throttle = back to=20 ALOT.. A 801 has alot of aerodynamic drag. I can run 90@ 6.4 GPH = or=20 110@ 17 GPH. The plane hits a brick wall so why burn three times = the=20 fuel to go a little faster. If I wanted to go fast I would have = built=20 another type plane. You would think a guy like him could draw a = simple=20 conclusion.=20 8- I have probably built, raced and tested more engines hen he = can=20 dream about.=20 9- BSFC of .45 ??? Jeez. I would be embarrased to tune a motor = that=20 rich.=20 10- Nothing is " seriously wrong"............. I am seriously=20 throttled back.=20 11- The motor is capable of 600 + Hp in different trim. ie, = different=20 redrive ratio, different intake design, etc. The motor will not = gain=20 any more weight by changing componants, so 350-400 Hp is a no=20 brainer.. On MY plane I purposely stayed with 1.43-1 because it = for=20 sure doen not need any more power.=20 12- Where did he get the 3700 RPM # from ? I turn the motor = alot=20 higher then that on take off. Yeah, the prop is kinda noisy but=20 nothing worse then what noise a seaplane makes with a large = diameter=20 prop.=20 13- """ Totally Clueless""" Ya wanna bet..=20 And in closing all I can add is=20 " I am really worried here. Probably one of the most dangerous=20 airplanes I have seen in a very long time. "=20 Geez... Where was he 5 years and 300 hours ago ??????.=20 Ben Haas www.haaspowerair.com.=20 --- On Sat, 10/3/09, George Lendich = wrote: From: George Lendich Subject: [FlyRotary] Re: Zenith 801 To: "Rotary motors in aircraft" Date: Saturday, October 3, 2009, 2:43 AM =EF=BB=BF=20 Ben,=20 Didn't see it and although on this list we may not all agree = we seem to be much more tolerant of others ideas. Mind you the proof is = always in the pudding. On PL don't sweat it, it's aggravation you don't = need. I have had exposure to some good ideas from the other list, = but equally I've had a lot of help from this list. Tell me Ben why, didn't you go for the Ford C6 planetary = reduction box, you could machine any parts you need for yourself.=20 George (down under) A couple of extra pounds is a safe trade off for = crackshaft security in my opinion. I am a big fan of rotarys going back = to the IMSA Camel Lights class at Daytona and other tracks. The main = reason I didn't go that route on my prototype is I am based at the only = airport in the world that is in a national park and keeping a rotary = quiet for a few hundred hours while I go through testing/R&D phase is = not a obstacle I wanted to overcome. There is a good possibility I will = offer my services to fellow alternative engine guys who need custom = machine work done. By now I am guessing most of you guys have read the = hatchet job the wizard on the other list posted on the internet about me = and my plane. He is a piece of work for sure. Tailwinds. Ben. --- On Fri, 10/2/09, George Lendich = wrote: From: George Lendich Subject: [FlyRotary] Re: Quiet is Deafening To: "Rotary motors in aircraft" = Date: Friday, October 2, 2009, 2:58 PM =EF=BB=BF=20 Ben, Fluid dampers are good but their heavy and I believe = that's the reason why their not used in Aviation ( to my knowledge), = especially where FWF weight is critical. We have all been through 'baptism' on the other = site. I did mean to say Ben - why didn't you put all your = efforts to developing the rotary . With your obvious skills you would = have made a major contribution - perhaps next time !? I'm still trying to get my head around those = kick-outs on the aft end of the rad outlet. I'm trying to confirm WHY = they work - anyone got any suggestions. George ( down under) George (down under) George. I have been building racing engines = for years. I have never had a crack break from harmonics while using = these guys product. Here is a link to their website that gives the = details on how it functions. = http://www.fluidampr.com/IMAGES/ADS/2009%20catalog/Fluidampr%20catalog%20= 2009.pdf After reading all the posts on here for the = last few days I have to say you guys are all moving forward toward a = common and successful conclusion. Keep on experimenting !!!!! The = "other" rotary site I got trashed on is, how can I say this politely = ??? Well, lets just say it is entertaining for sure. Ben.=20 www.haaspowerair.com --- On Thu, 10/1/09, George Lendich = wrote: From: George Lendich = Subject: [FlyRotary] Re: Quiet is = Deafening To: "Rotary motors in aircraft" = Date: Thursday, October 1, 2009, 2:39 PM =EF=BB=BF=20 Ben, Good work! You certainly picked up on many of the = problems associated with auto engine conversions. I particularly like = the mixture block for the Holly carb.=20 While I was searching for a pen I missed = what you said you used for a damper - did you say you used a fluid = damper ? George ( down under) ----- Original Message -----=20 From: stephen haas=20 To: Rotary motors in aircraft=20 Sent: Thursday, October 01, 2009 11:59 = AM Subject: [FlyRotary] Re: Quiet is = Deafening This will explain alot... Fire away with = any questions. = http://video.google.com/videoplay?docid=3D-7272451917550730841&hl=3Den# --- On Wed, 9/30/09, George Lendich = wrote: From: George Lendich = Subject: [FlyRotary] Re: Quiet is = Deafening To: "Rotary motors in aircraft" = Date: Wednesday, September 30, 2009, = 7:33 PM =EF=BB=BF=20 Don't be shy Ben - we all ears. George ( down under) Hi Jeff and all others. I am a newbie to = the group but a serious auto engine fanatic. I feel your pain on the = cooling issues with a "slow" plane. I can expand on that if you or = anyone else is interested. Tailwinds. Ben. www.haaspowerair.com --- On Wed, 9/30/09, Jeff Whaley = wrote: From: Jeff Whaley Subject: [FlyRotary] Re: Quiet is = Deafening To: "Rotary motors in aircraft" = Date: Wednesday, September 30, 2009, = 9:02 AM I guess some people must actually be = flying =E2=80=A6 Personally, I=E2=80=99m almost ready to = fly again after another round of modifications to oil cooling system. = My slow, 105 mph airplane is having difficulty keeping the oil = temperature below redline (210F) above 4000 rpm. Have added a second = oil cooler - now have one each side of engine, similar-looking to dual = evaporator cores (for water) in RVs. Since I can=E2=80=99t cruise at = 160 mph have decided that 2x surface area is needed to make up for 1.6x = airspeed.=20 Jeff=20 From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Kelly Troyer Sent: Wednesday, September 30, 2009 = 10:16 AM To: Rotary motors in aircraft Subject: [FlyRotary] Quiet is Deafening Anyone out there = ??.....................<:) -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 -------------- Original message from = "Patrick Panzera" : --------------=20 Hey gang!=20 I came across a rare find this weekend.=20 Any serious rotorhead will certainly = appreciate this.=20 Bluelines from 1973 of the General = Motors Wankel Rotary engine.=20 I just put them up on eBay=20 http://tinyurl.com/GM-Rotary-drawings=20 Pat=20 =20 =20 =20 =20 =20 ------=_NextPart_000_0012_01CA44BF.686C22C0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
 
Ben,
Hopefully you can now put that behind = you.
 
PL has however put a lot of time = toward=20 designing motor mounts. My guess is that there is more than one way of = doing=20 things. I wouldn't build my mount exactly as you did yours - so what, = that=20 doesn't make me right either.
 
BTW PL has never built an engine, he = is an ideas=20 man as someone politely put it to me. He does attract a lot of = knowledgeable=20 people his site, so to that extent the information is invaluable, for = the=20 likes of someone like me, who needs all the help he can = get. 
 
We all have a story to tell and some = much worse=20 than yours, lets move forward and talk no more about it. It's not = worth the=20 aggravation.
George ( down under)
 
To keep this thing fair I will post the hatchet job Mr = Lamar posted=20 on the net. Before this I had never heard of him. The same time = this=20 happened I got over 1000 hits on my website, the thing that = bothered me=20 was I have a "contact me" page on my website.. A decent person = would=20 have opened up a dialog to ask me reasons  and debate = me on=20 how I got to the end result of my plane.  For whatever = reason=20 he didn't want my side to be told,,, only his.... Bizarre for=20 sure.
 
Ben.
 
This posting = that was on=20 the internet was forwarded to me by several
friends....... =
=
--------------------------------------------------------------------= -------­-------------------------------------------------------------= --=20
On the "801"
=E2=80=9CThis is an accident waiting to happen. The motor = mount is=20 incorrectly
designed with un triangulated bays and bent = tubes in=20 tension and
compression. The firewall forward weight is at = least 450=20 pounds
aluminum block or no aluminum block. No mention is = made of=20 beefing up
the fuselage to take the vastly increased bending = loads=20 during landing
and high G turns not to mention the increased = bending=20 loads on the
wing spars. Zenairs are not over  designed = to=20 begin with having very
thin skins.
"The fuel burn is better then expected though and I am = presently=20
confirming the JPI 450 for accuracy. Cruise @ 11,000 msl is=20 producing
5.9 0 -6.3  gallons an hour."
The numbers quoted above shows a lack of understanding = about engine=20
engineering in general. The fuel burn quoted at 6 gallons an = hour or=20
37 pounds an hour means the engine is only generating 83 HP = giving=20 it
the benefit of a BSFC number of .45. In the unlikely = event the=20 BSFC is
as low as .40 the HP then would be 93 HP at the = absolute=20 maximum. Now
you have a 450 pound firewall forward weight = putting=20 out 93 HP at
cruise.
Something is seriously wrong.
  "The numbers I am shooting for are one pound of = engine=20 weight for
each horsepower and a small total engine profile = that=20 will fit in most
airframes."
What he is saying here is he things he is going to get 350 = to 400=20 HP
with a 1.43:1 PSRU ratio. With a 2600 RPM prop that is = 3700=20 engine
RPM. No way is that going to happen.
This person is totally clueless.
I am really worried here. Probably one of the most = dangerous=20
airplanes I have seen in a very long time.
Paul Lamar=E2=80=9D
=
--------------------------------------------------------------------= -------­-------------------------------------------------------------= ---=20
I don't know who this "person" is or what his = qualifications are=20 but..
I am compelled to answer his hatchet job on every topic. =
My project is a one of a kind. I had no group, forum or any = other=20
source to go to during the design, and test flying of my=20 experimental
aircraft, so all the calculations, fabrications = and=20 installations are
a one off and done to the best of my = ability using=20 past life
experiences from fabricating stuff on race boats, = cars and=20 god only
knows whatever I have modified in earlier years. =
I built my plane, 3000 + hours of MY time. I didn't but a = half=20 built
one, or a completed one to use a test bed for my = powerplant. I=20 have
been flying for almost 30 years and owned several other = planes.=20
    My experimental plane has been flying for 5 = years and=20 300 hours.
Been flown in air from 97f   to -37f. Has = over 500=20 landing, been flown
from JAC, 6430 msl to 18,000 feet, full=20 throttle, !! over a couple of
dozen times to test it for = strength.=20 Been flown in all other power
settings to comfirm and = quantify data.=20 Tested to +3.5g's to - 2.5 g's.
Flown to OSH and back... not = trucked=20 there as others seem to do to
display their creations.
My responses..
1- When is this " accident" going to happen ??
2- The mount is designed by me using triangulation, just go = to my=20 web
site and look at the pics.
3- There are NO bent tubes in my mount. there are = intersecting=20 angles
but that happens on ALL mounts. At those = intersections the=20 area is
beefed up internally. Just because you can't see it = doesn't=20 mean crap.
4- I know EXACTLY what it weighs. I don't guess like he = seems to.=20 And
it is less then his "estimation"
5- Of course I beefed up the airframe as I built it. Just = because I=20
didn't state that on my website should not give him a pass = at a free=20
shot.
6- Zenith Aircraft seem to be an "issue" to him. Mine =  has=20 twice the
"suggested" HP and still has not broken in half. =
7- The plane has so much power that at cruise I can = throttle back=20 to
ALOT.. A 801 has alot of aerodynamic drag. I can run 90@ = 6.4 GPH=20 or
110@ 17 GPH. The plane hits a brick wall so why burn = three times=20 the
fuel to go a little faster. If I wanted to go fast I = would have=20 built
another type plane. You would think a guy like him = could draw=20 a simple
conclusion.
8- I have probably built, raced and tested more engines hen = he can=20
dream about.
9- BSFC of .45 ???   Jeez. I would be embarrased to = tune a=20 motor that
rich.
10- Nothing is " seriously wrong"............. I am = seriously=20
throttled back.
11- The motor is capable of 600 + Hp in different trim. ie, = different
redrive ratio, different intake design, etc. The = motor=20 will not gain
any more weight by changing componants, so = 350-400 Hp=20 is a no
brainer.. On MY plane I purposely stayed with 1.43-1 = because=20 it for
sure doen not need any more power.
12- Where did he get the 3700 RPM #  from ?  I = turn the=20 motor alot
higher then that on take off. Yeah, the prop is = kinda=20 noisy but
nothing worse then what noise a seaplane makes = with a=20 large diameter
prop.
13-  """ Totally Clueless"""  Ya wanna bet..
And in closing all I can add is
" I am really worried = here.=20 Probably one of the most dangerous
airplanes I have seen in = a very=20 long time. "
 Geez... Where was he 5 years and 300 hours ago = ??????.
 
Ben Haas


--- On Sat, 10/3/09, George Lendich=20 <lendich@aanet.com.au> wrote:

From:=20 George Lendich <lendich@aanet.com.au>
Subject: = [FlyRotary]=20 Re: Zenith 801
To: "Rotary motors in aircraft"=20 <flyrotary@lancaironline.net>
Date: Saturday, October = 3,=20 2009, 2:43 AM

=EF=BB=BF=20
 Ben,
Didn't see it and although on = this list=20 we may not all agree we seem to be much more tolerant of = others ideas.=20 Mind you the proof is always in the pudding. On PL don't sweat = it,=20 it's aggravation you don't need.
 
I have had exposure to some = good ideas=20 from the other list, but equally I've had a lot of help from = this=20 list.
 
Tell me Ben why, didn't you = go for the=20 Ford C6 planetary reduction box, you could machine any parts = you need=20 for yourself. 
George (down = under)
= <= /DIV>
A couple of extra pounds is a safe trade off for=20 crackshaft security in my opinion.  I am a big = fan of=20 rotarys going back to the IMSA Camel Lights class at = Daytona=20 and other tracks. The main reason I didn't go that = route on my=20 prototype is I am based at the only airport = in the=20 world that is in a national park and keeping a = rotary=20 quiet for a few hundred hours while I go through=20 testing/R&D phase is not a obstacle I wanted to = overcome.=20 There is a good possibility I will offer my services = to fellow=20 alternative engine guys who need custom machine work=20 done. By now I am guessing most of = you guys=20 have read the hatchet job the wizard on the other=20 list posted on the internet about me and my=20 plane.  He is a piece of work for sure.
 
Tailwinds.
Ben.

--- On Fri, 10/2/09, George = Lendich=20 <lendich@aanet.com.au> = wrote:

From:=20 George Lendich = <lendich@aanet.com.au>
Subject:=20 [FlyRotary] Re: Quiet is Deafening
To: "Rotary = motors in=20 aircraft" = <flyrotary@lancaironline.net>
Date:=20 Friday, October 2, 2009, 2:58 PM

=EF=BB=BF=20
Ben,
Fluid dampers are = good but=20 their heavy and I believe that's the reason why = their not=20 used in Aviation ( to my knowledge), especially = where FWF=20 weight is critical.
 
We have all been = through=20 'baptism' on the other site.
 
I did mean to say = Ben - why=20 didn't you put all your efforts to developing the=20 rotary . With your obvious skills you would = have made a=20 major contribution - perhaps next time = !?
 
I'm still trying to = get my head=20 around those kick-outs on the
aft end of the rad = outlet. I'm=20 trying to confirm WHY they work - anyone got any=20 suggestions.
 
George ( down=20 under)
 
George (down=20 under)
<= /TR>
George. I have been building racing = engines for=20 years. I have never had a crack break from = harmonics=20 while using these guys product. Here is a = link to=20 their website that gives the details on how = it=20 functions.
 
http://www.fluidampr.com/IMAGES/ADS/2009%20catalog/Fluidam= pr%20catalog%202009.pdf
 
 After reading all the posts on = here for=20 the last few days I have to say you guys are = all=20 moving forward toward a common and = successful=20 conclusion. Keep on experimenting = !!!!!  The=20 "other"  rotary site I got trashed = on is, how can I say this politely=20 ???   Well, lets just say it is=20 entertaining for sure. <GG>
 
Ben.
www.haaspowerair.com

--- On=20 Thu, 10/1/09, George Lendich=20 <lendich@aanet.com.au>=20 wrote:

From:=20 George Lendich=20 <lendich@aanet.com.au>
Subject:=20 [FlyRotary] Re: Quiet is Deafening
To: = "Rotary=20 motors in aircraft"=20 = <flyrotary@lancaironline.net>
Date:=20 Thursday, October 1, 2009, 2:39 PM

=EF=BB=BF=20
Ben,
Good=20 work!
You = certainly picked=20 up on many of the problems associated with = auto=20 engine conversions. I particularly like = the=20 mixture block for the Holly carb. =
While I = was searching=20 for a pen I missed what you said you used = for a=20 damper - did you say you used a fluid = damper=20 ?
George ( = down=20 under)
----- = Original=20 Message -----
From:=20 stephen = haas=20
To: Rotary = motors in=20 aircraft
Sent:=20 Thursday, October 01, 2009 11:59 = AM
Subject:=20 [FlyRotary] Re: Quiet is Deafening

This will explain alot... Fire away = with=20 any questions.
 

http://video.google.com/videoplay?docid=3D-727245191755073= 0841&hl=3Den#
---=20 On Wed, 9/30/09, George Lendich = <lendich@aanet.com.au>=20 wrote:

From:=20 George Lendich <lendich@aanet.com.au>
Subject:=20 [FlyRotary] Re: Quiet is = Deafening
To:=20 "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Date:=20 Wednesday, September 30, 2009, 7:33 = PM

=EF=BB=BF=20
 Don't be shy=20 Ben - we all ears.
George = ( down=20 under)
Hi Jeff and all others. I am a = newbie to=20 the group but a serious auto engine = fanatic. I=20 feel your pain on the cooling issues = with a=20 "slow" plane.  I can expand on that = if you=20 or anyone else is interested.
 
Tailwinds.
 
Ben.
www.haaspowerair.com

---=20 On Wed, 9/30/09, Jeff Whaley = <jwhaley@datacast.com>=20 wrote:

From:=20 Jeff Whaley <jwhaley@datacast.com>
Subject:=20 [FlyRotary] Re: Quiet is = Deafening
To:=20 "Rotary motors in aircraft"=20 = <flyrotary@lancaironline.net>
Date:=20 Wednesday, September 30, 2009, 9:02 = AM

I=20 guess some people must actually be = flying=20 =E2=80=A6

Personally,=20 I=E2=80=99m almost ready to fly again = after another=20 round of modifications to oil cooling=20 system.  My slow, 105 mph airplane = is=20 having difficulty keeping the oil = temperature=20 below redline (210F) above 4000 = rpm.  Have=20 added a second oil cooler - now have one = each=20 side of engine, similar-looking to dual=20 evaporator cores (for water) in RVs. =  Since=20 I can=E2=80=99t cruise at 160 mph have = decided that 2x=20 surface area is needed to make up for = 1.6x=20 airspeed.=20

Jeff=20

From:=20 Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] = On=20 Behalf Of Kelly = Troyer
Sent:=20 Wednesday, September 30, 2009 10:16=20 AM
To: Rotary motors in=20 aircraft
Subject: [FlyRotary] = Quiet is=20 Deafening

Anyone out there=20 ??.....................<:)

--
Kelly Troyer=20
"Dyke Delta"_13B ROTARY Engine=20
"RWS"_RD1C/EC2/EM2=20
"Mistral"_Backplate/Oil Manifold=20


 

--------------=20 Original message from "Patrick Panzera"=20 = <panzera@experimental-aviation.com>:=20 --------------=20

Hey=20 gang!=20

I=20 came across a rare find this = weekend.=20

Any=20 serious rotorhead will certainly = appreciate=20 this.=20

Bluelines=20 from 1973 of the General Motors Wankel = Rotary=20 engine.=20

I=20 just put them up on eBay=20

http://tinyurl.com/GM-Rotary-drawings=20

Pat=20

=
------=_NextPart_000_0012_01CA44BF.686C22C0--