Today's Message Index:
----------------------
1. 03:59 AM - Re: Rotax ends production of the 503 ?? (Jerry Deckard)
2. 05:59 AM - Re: Rotax ends production of the 503 ?? (Herb Gayheart)
3. 06:42 AM - Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Bob Green)
4. 07:02 AM - Re: Rotax ends production of the 503 ?? (Herb Gayheart)
5. 07:15 AM - Re: Looks like a great motor is being designed (Richard Girard)
6. 07:18 AM - Re: Rotax ends production of the 503 ?? (william sullivan)
7. 07:33 AM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Richard Girard)
8. 07:35 AM - Re: Rotax ends production of the 503 ?? (Herb Gayheart)
9. 07:39 AM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Richard Girard)
10. 08:03 AM - Re: q (gyrodude)
11. 08:08 AM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Rick Neilsen)
12. 12:15 PM - Re: Kolb-List Digest: 9 Msgs - 12/24/11 (George Bearden)
13. 02:38 PM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (chris davis)
14. 02:43 PM - Re: Rotax ends production of the 503 ?? (chris davis)
15. 03:28 PM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Dana Hague)
16. 05:41 PM - Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Rick Lewis)
17. 06:38 PM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (chris davis)
18. 07:28 PM - Re: Re: Kolb-List Digest: 10 Msgs - 12/28/11 (Dana Hague)
19. 09:10 PM - Re: Rotax ends production of the 503 ?? (DAquaNut@aol.com)
Message 1
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| Subject: | Re: Rotax ends production of the 503 ?? |
This has been on the Challenger list for sometime. They quit making them
about a year ago or so. The posts on the challenger list says that the
supply of new ones is gone.
Jerry
----- Original Message -----
From: "AtomicDog" <MStudio828@aol.com>
Sent: Wednesday, December 28, 2011 11:58 PM
Subject: Kolb-List: Rotax ends production of the 503 ??
>
> If you are planning to mount a Rotax 503 on your project you should
> purchase soon.
> Speaking of great engines, this is one. However Rotax will not be
> manufacturing any new 503's. Something about worn out molds or something.
>
> Larry
> Building Firestar II
>
> --------
> Building Firestar II
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=361879#361879
>
>
>
Message 2
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| Subject: | Re: Rotax ends production of the 503 ?? |
I think a Bud of mine got one of the last 447's in middle months of
2010...? Herb
At 11:58 PM 12/28/2011, you wrote:
>
>If you are planning to mount a Rotax 503 on your project you should
>purchase soon.
>Speaking of great engines, this is one. However Rotax will not be
>manufacturing any new 503's. Something about worn out molds or something.
>
>Larry
>Building Firestar II
>
>--------
>Building Firestar II
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=361879#361879
>
>
Message 3
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| Subject: | RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
Hello Kolb Gang:
I am going next week to the Kolb Factory to see about getting an exhaust sy
stem made up for my 80- 100hp, 2180 c.c. VW, air-cooled, re-drive conversio
n engine from Great Plains Aviation Supply. My MKIIIX cage already has th
e engine mount change necessary for this engine and I am hoping that we can
come up with something in the way of an exhaust system that will facilitat
e others using this great engine. I will keep you posted. Thanks Rick
N. for pioneering this idea.
May you all have a blessed and happy New Year.
Bob Green
MKIIIX project
Message 4
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| Subject: | Re: Rotax ends production of the 503 ?? |
Just emailed and got this response...Herb
From: "info" <info@leadingedge-airfoils.com>
Subject: Re: 503 and 447 engines
Herb,
I am sorry but we don't have any of these engines. And from what I
have heard there are no more new 447 or 503 available. We have in
stock at this time is the Rotax 582 engine. If you are looking
specifically for the 447 or 503 you may have to search for a used low
hours engine. If that is the case I would try barnstormers or ebay.
Please let me know if you have any other questions.
Thank you
Lynda Schlitz
Customer Service
At 05:56 AM 12/29/2011, you wrote:
>
>This has been on the Challenger list for sometime. They quit making
>them about a year ago or so. The posts on the challenger list says
>that the supply of new ones is gone.
>Jerry
>----- Original Message ----- From: "AtomicDog" <MStudio828@aol.com>
>To: <kolb-list@matronics.com>
>Sent: Wednesday, December 28, 2011 11:58 PM
>Subject: Kolb-List: Rotax ends production of the 503 ??
>
>
>>
>>If you are planning to mount a Rotax 503 on your project you should
>>purchase soon.
>>Speaking of great engines, this is one. However Rotax will not be
>>manufacturing any new 503's. Something about worn out molds or something.
>>
>>Larry
>>Building Firestar II
>>
>>--------
>>Building Firestar II
>>
>>
>>
>>
>>Read this topic online here:
>>
>>http://forums.matronics.com/viewtopic.php?p=361879#361879
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
Message 5
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| Subject: | Re: Looks like a great motor is being designed |
I stand corrected. If you go to the home page the last question in the
FAQ's is about buying stand alone engines.
Rick
On Wed, Dec 28, 2011 at 10:09 PM, Ron @ KFHU <captainron1@cox.net> wrote:
>
> thanks Jack
> I guess I should have looked at the video instead of reading just the spec
> sheet. Now there is promise. :-)
>
> do not archive.
>
> ================================
> ---- "Jack B. Hart" <jbhart@onlyinternet.net> wrote:
>
> ============
>
> Date: Wed, 28 Dec 2011 17:27:13 -0600
> From: Richard Girard <aslsa.rng@gmail.com>
> >
> Jerry, Unit construction is the motorcycle term for transmission and engine
> cases are one and the same.
> >
>
> Rick,
>
> If you go to the site and view the engine development video you will see
> that it is a stand alone engine.
>
> Jack B. Hart FF004
> Winchester, IN
>
> do not archive
>
>
> --
> kugelair.com
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 6
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| Subject: | Re: Rotax ends production of the 503 ?? |
- Travis- is the Kolb factory shopping around for smaller, compatible eng
ines for the Firefly and Firestar?- Anything look interesting from the fa
ctory's standpoint?
-------------------------
---------------------- Bill Sul
livan
--- On Thu, 12/29/11, Herb Gayheart <herbgh@nctc.com> wrote:
From: Herb Gayheart <herbgh@nctc.com>
Subject: Re: Kolb-List: Rotax ends production of the 503 ??
Just emailed and got this response...Herb
From: "info" <info@leadingedge-airfoils.com>
Subject: Re: 503 and 447 engines
Herb,
I am sorry but we don't have any of these engines. And from what I
have heard there are no more new 447 or 503 available. We have in
stock at this time is the Rotax 582 engine. If you are looking
specifically for the 447 or 503 you may have to search for a used low
hours engine. If that is the case I would try barnstormers or ebay.
Please let me know if you have any other questions.
Thank you
Lynda Schlitz
Customer Service
Message 7
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
Bob, My neighbor has been running Vdubs in both his airplanes for over 20
years. The best exhaust system he says is straight pipes made from chrome
plated sink drains. They're pre-bent and pre-flaired and just the right
diameter. All you have to add is the mount plates salvaged from a scrap
exhaust (Dick Geide is a true homebuilder). Honest, I'm not kidding. The
whole exhaust system costs less than $30.
Rick Girard
On Thu, Dec 29, 2011 at 8:38 AM, Bob Green <bgreen@bimi.org> wrote:
> Hello Kolb Gang:
> I am going next week to the Kolb Factory to see about getting an exhaust
> system made up for my 80- 100hp, 2180 c.c. VW, air-cooled, re-drive
> conversion engine from Great Plains Aviation Supply. My MKIIIX cage
> already has the engine mount change necessary for this engine and I am
> hoping that we can come up with something in the way of an exhaust system
> that will facilitate others using this great engine. I will keep you
> posted. Thanks Rick N. for pioneering this idea.
>
> May you all have a blessed and happy New Year.
> Bob Green
> MKIIIX project
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 8
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| Subject: | Re: Rotax ends production of the 503 ?? |
Not saying that I know anything...but last time I was at the factory;
Travis asked me if I knew where they could get some really big rubber
bands!! :-) Herb
At 09:15 AM 12/29/2011, you wrote:
> Travis- is the Kolb factory shopping around for smaller,
> compatible engines for the Firefly and Firestar? Anything look
> interesting from the factory's standpoint?
>
> Bill Sullivan
>
>--- On Thu, 12/29/11, Herb Gayheart <herbgh@nctc.com> wrote:
>
>From: Herb Gayheart <herbgh@nctc.com>
>Subject: Re: Kolb-List: Rotax ends production of the 503 ??
>To: kolb-list@matronics.com
>Date: Thursday, December 29, 2011, 9:59 AM
>
>
>Just emailed and got this response...Herb
>
>From: "info" <info@leadingedge-airfoils.com>
>To: "Herb Gayheart" <herbgh@nctc.com>
>Subject: Re: 503 and 447 engines
>
>Herb,
>
>I am sorry but we don't have any of these engines. And from what I
>have heard there are no more new 447 or 503 available. We have in
>stock at this time is the Rotax 582 engine. If you are looking
>specifically for the 447 or 503 you may have to search for a used low
>hours engine. If that is the case I would try barnstormers or ebay.
>Please let me know if you have any other questions.
>
>Thank you
>Lynda Schlitz
>Customer Service
>
>
Message 9
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
Rats! Hit the send button instead of the enter button. The photo is of the
Geide Hawk. His Headwind has the sink drain exhaust. When the tubes burn
out on the Hawk he says he'll replace them with the drain tubes.
On Thu, Dec 29, 2011 at 9:30 AM, Richard Girard <aslsa.rng@gmail.com> wrote:
> Bob, My neighbor has been running Vdubs in both his airplanes for over 20
> years. The best exhaust system he says is straight pipes made from chrome
> plated sink drains. They're pre-bent and pre-flaired and just the right
> diameter. All you have to add is the mount plates salvaged from a scrap
> exhaust (Dick Geide is a true homebuilder). Honest, I'm not kidding. The
> whole exhaust system costs less than $30.
>
> Rick Girard
>
>
> On Thu, Dec 29, 2011 at 8:38 AM, Bob Green <bgreen@bimi.org> wrote:
>
>> Hello Kolb Gang:
>> I am going next week to the Kolb Factory to see about getting an exhaust
>> system made up for my 80- 100hp, 2180 c.c. VW, air-cooled, re-drive
>> conversion engine from Great Plains Aviation Supply. My MKIIIX cage
>> already has the engine mount change necessary for this engine and I am
>> hoping that we can come up with something in the way of an exhaust system
>> that will facilitate others using this great engine. I will keep you
>> posted. Thanks Rick N. for pioneering this idea.
>>
>> May you all have a blessed and happy New Year.
>> Bob Green
>> MKIIIX project
>
>
> --
> Zulu Delta
> Mk IIIC
> Thanks, Homer GBYM
>
> It isn't necessary to have relatives in Kansas City in order to be unhappy.
> - Groucho Marx
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 10
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|
I lived in Key West for 13 years. The skies are busy with private jets, airlines,
and military planes out at the naval air station. There have been Quicksilver
two seaters on floats used to give tourists rides around the island out at
Sigsbee. The nearest airport back up the keys where there will be some ultralight
activity would be Sugarloaf Key.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361905#361905
Message 11
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
Bob
Looks great. Seems like the exhaust was one of the few remaining off the
shelf parts necessary to have a complete engine package. I installed the
stock VW joint, between the J tube/heat exchanger and the rest of in my
exhaust because I felt VW must know something. No exhaust pipe cracking so
far.
I did talk to the guys at Lord Mounts when I was at Oshkosh last summer and
they think there are softer engine mount bushings available. This would be
a really good thing to reduce cockpit noise and better isolate engine
vibrations. The wide spacing of the mounting bushings should keep the
engine from twisting in the mount even with considerably softer bushings.
They gave me a name and phone number but I haven't followed up on it and
that information isn't available to me till late spring.
I like the cooling scoops. I had forgotten that you had made doors to
access the spark plugs, that's a nice touch.
Remember watch you temps on the ground. The engine will over heat quickly
when you don't have air flow through the cooling system like you do in the
air.
Rick Neilsen
On Thu, Dec 29, 2011 at 9:38 AM, Bob Green <bgreen@bimi.org> wrote:
> Hello Kolb Gang:
> I am going next week to the Kolb Factory to see about getting an exhaust
> system made up for my 80- 100hp, 2180 c.c. VW, air-cooled, re-drive
> conversion engine from Great Plains Aviation Supply. My MKIIIX cage
> already has the engine mount change necessary for this engine and I am
> hoping that we can come up with something in the way of an exhaust system
> that will facilitate others using this great engine. I will keep you
> posted. Thanks Rick N. for pioneering this idea.
>
> May you all have a blessed and happy New Year.
> Bob Green
> MKIIIX project
Message 12
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| Subject: | RE: Kolb-List Digest: 9 Msgs - 12/24/11 |
> i think a bird should be able to get out of the way
I was riding my bike waaaay out in the countryside, on a canal bank. I saw a
flock/skien/herd/muster of geese flying past about 2-300 feet altitude.
Suddenly the entire group of geese peeled off and dove for low altitude. A
Piper Cub came lumbering along about 500 feet.
Message 13
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
Rick and the rest of us Kolbers,- I have been thinking about VWs and I wa
s wondering- Why did Vw stop making the horiz, opposed engine does any on
e know? It was getting 25 mpg 40 years ago when the American car were getti
ng 6to 9 mpg. just imagine what kind of mileage they could be getting with
today's tech. ?excuse me for being curious. Chris.=0A=0A=0AChris Davis=0AKX
P 503 492 hrs=0AGlider Pilot=0ADisabled from crash building Firefly=0A=0A
=0A________________________________=0AFrom: Rick Neilsen <neilsenrm@gmail.c
om>=0ATo: kolb-list@matronics.com =0ASent: Thursday, December 29, 2011 11:0
5 AM=0ASubject: Re: Kolb-List: RE: Kolb-List Digest: 10 Msgs - 12/28/11=0A
=0A=0ABob =0A=0ALooks great. Seems like the-exhaust-was one of the few
remaining off the shelf parts necessary to have a complete engine package.
I installed the stock VW joint, between the J tube/heat-exchanger-and t
he rest of in my exhaust because I felt VW must know something. No-exhaus
t-pipe cracking so far.=0A=0AI did talk to the guys at Lord Mounts when I
was at Oshkosh last summer and they think there are softer engine mount bu
shings available. This would be a really good thing to reduce cockpit noise
and better isolate engine vibrations. The wide spacing of the mounting bus
hings should keep the engine from twisting in the mount even with-conside
rably-softer bushings. They gave me a name and phone number but I haven't
followed up on it and that information isn't available to me till late spr
ing.=0A=0AI like the cooling scoops. I had-forgotten-that you had made
doors to access the spark plugs, that's a nice touch.=0A=0ARemember watch y
ou temps on the ground. The engine will over heat quickly when you don't ha
ve air flow through the cooling system like you do in the air. -=0A=0ARic
k Neilsen=0A=0A=0AOn Thu, Dec 29, 2011 at 9:38 AM, Bob Green <bgreen@bimi.o
rg> wrote:=0A=0AHello Kolb Gang:=0A>I am going next week to the Kolb Factor
y to see about getting an exhaust system made up for my 80- 100hp, 2180 c.c
. VW, air-cooled, re-drive conversion engine from Great Plains Aviation Sup
ply. -My -MKIIIX cage already has the engine mount change necessary for
this engine and I am hoping that we can come up with something in the way
of an exhaust system that will facilitate others using -this great engine
. - I will keep you posted. - -Thanks Rick N. for pioneering this ide
a.=0A>=0A>May you all have a blessed and happy New Year.=0A>Bob Green=0A>MK
========================
======
Message 14
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| Subject: | Re: Rotax ends production of the 503 ?? |
That is a SAD storey I cant believe they would stop production of the most
reliable 2 stroke in the world ! it makes the MZ 291--202 more interesting
hope they come close in reliability !=0A=0A=0AChris Davis=0AKXP 503 492 hrs
=0AGlider Pilot=0ADisabled from crash building Firefly=0A=0A=0A____________
____________________=0AFrom: Jerry Deckard <flypoker@windstream.net>=0ATo:
kolb-list@matronics.com =0ASent: Thursday, December 29, 2011 6:56 AM=0ASubj
ect: Re: Kolb-List: Rotax ends production of the 503 ??=0A=0A--> Kolb-List
message posted by: "Jerry Deckard" <flypoker@windstream.net>=0A=0AThis has
been on the Challenger list for sometime. They quit making them =0Aabout a
year ago or so. The posts on the challenger list says that the =0Asupply of
new ones is gone.=0AJerry=0A----- Original Message ----- =0AFrom: "AtomicD
og" <MStudio828@aol.com>=0ATo: <kolb-list@matronics.com>=0ASent: Wednesday,
December 28, 2011 11:58 PM=0ASubject: Kolb-List: Rotax ends production of
28@aol.com>=0A>=0A> If you are planning to mount a Rotax 503 on your projec
t you should =0A> purchase soon.=0A> Speaking of great engines, this is one
. However Rotax will not be =0A> manufacturing any new 503's. Something abo
ut worn out molds or something.=0A>=0A> Larry=0A> Building Firestar II=0A>
=0A> --------=0A> Building Firestar II=0A>=0A>=0A>=0A>=0A> Read this topic
online here:=0A>=0A> http://forums.matronics.com/viewtopic.php?p=361879#3
-========================
Message 15
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
At 05:35 PM 12/29/2011, chris davis wrote:
>Rick and the rest of us Kolbers, I have been thinking about VWs and I was
>wondering Why did Vw stop making the horiz, opposed engine does any one
>know? It was getting 25 mpg 40 years ago when the American car were
>getting 6to 9 mpg. just imagine what kind of mileage they could be getting
>with today's tech. ?excuse me for being curious. Chris.
VW beetles got better gas mileage than the American monsters of the day
because the cars weighed so much less, not because the engine was anything
special. However, the simplicity of the air cooled 1940 era technology
made it cheap to produce and simple to maintain, which is why they used it.
Today's engines are far more efficient (in fuel efficiency, emissions, and
power to weight ratio), but the tight tolerances necessary to achieve that
efficiency means water cooling is a must... losting most of the advantages
of the flat-four layout. Today only Subaru, as far as I know, uses this
layout (though water cooled) and despite their popularity in aircraft,
their cars aren't particularly more efficient than others, and they have a
reputation for being a pain in the butt and expensive to work on.
-Dana
--
When tempted to fight fire with fire, remember that the Fire Department
usually uses water.
Message 16
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| Subject: | Re: Kolb-List Digest: 10 Msgs - 12/28/11 |
I have been meaning to go to the factory also for the same reason. Please, please
have them design an exhaust that stays low and out. We don't need anything
higher than the engine. I have already designed my own exhaust but if they
make one available that leaves the cylinders and goes down, I will buy it.
--------
Rick Lewis
(VW Watercooled Engine)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361947#361947
Message 17
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
Dana ,sounds logical- VWs got better mileage because they were lighter bu
t a VW bus camper full of camping gear and 4 hippies-still got 20 to 25 M
pg and was that lighter than a Ford falcon getting 10 to 12 mpg Im not sure
that ads up but we are talking about Kolbs and my original wish was that V
W- was still building millions of air cooled engines-. If they were wit
h todays tech and their design genius what a supply of reliable engines we
would have!=0AChris=0A-=0A-=0AChris Davis=0AKXP 503 492 hrs=0AGlider Pi
lot=0ADisabled from crash building Firefly=0A=0A=0A________________________
________=0AFrom: Dana Hague <d-m-hague@comcast.net>=0ATo: kolb-list@matroni
cs.com =0ASent: Thursday, December 29, 2011 6:18 PM=0ASubject: Re: Kolb-Lis
t: RE: Kolb-List Digest: 10 Msgs - 12/28/11=0A=0A=0AAt 05:35 PM 12/29/2011,
chris davis wrote:=0A=0ARick and the rest of us Kolbers,- I have been th
inking about VWs and I was wondering- Why did Vw stop making the horiz, o
pposed engine does any one know? It was getting 25 mpg 40 years ago when th
e American car were getting 6to 9 mpg. just imagine what kind of mileage th
ey could be getting with today's tech. ?excuse me for being curious. Chris.
=0AVW beetles got better gas mileage than the American monsters of the day
because the cars weighed so much less, not because the engine was anything
special.- However, the simplicity of the air cooled 1940 era technology m
ade it cheap to produce and simple to maintain, which is why they used it.
=0A=0AToday's engines are far more efficient (in fuel efficiency, emissions
, and power to weight ratio), but the tight tolerances necessary to achieve
that efficiency means water cooling is a must... losting most of the advan
tages of the flat-four layout.- Today only Subaru, as far as I know, uses
this layout (though water cooled) and despite their popularity in aircraft
, their cars aren't particularly more efficient than others, and they have
a reputation for being a pain in the butt and expensive to work on.=0A=0A-D
ana=0A=0A=0A=0A--=0AWhen tempted to fight fire with fire, remember that the
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Message 18
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| Subject: | Re: RE: Kolb-List Digest: 10 Msgs - 12/28/11 |
At 09:36 PM 12/29/2011, chris davis wrote:
>Dana ,sounds logical VWs got better mileage because they were lighter but
>a VW bus camper full of camping gear and 4 hippies still got 20 to 25 Mpg
>and was that lighter than a Ford falcon getting 10 to 12 mpg Im not sure
>that ads up but we are talking about Kolbs and my original wish was that
>VW was still building millions of air cooled engines . If they were with
>todays tech and their design genius what a supply of reliable engines we
>would have!
I think with all the aftermarket parts available there's still no problem
building up a brand new VW engine.
-Dana
--
Q. What's the difference between Mechanical and Civil
Engineers?
A. Mechanical Engineers build weapons; Civil
Engineers build targets.
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| Subject: | Re: Rotax ends production of the 503 ?? |
List,
For What its worth, I bought a new 447 from leaf in September and
they had several more. Has anyone checked with them?
Ed Diebel ( FF 62)
In a message dated 12/29/2011 7:59:11 A.M. Central Standard Time,
herbgh@nctc.com writes:
I think a Bud of mine got one of the last 447's in middle months of
2010...? Herb
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