I just want to thank everyone who responded to my post.
There were a lot of "opinions" and some very good food for thought.
Glenda and WW's reply's must have taken 30 minutes to an hour to each to
generate. Collectively the time spent to generate the various replies to my
question took several h
" stuff as back up.
Mark W.
-Original Message-
From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf
Of Bob Lee
Sent: Tuesday, February 24, 2009 9:31 PM
To: KRnet
Subject: Re: KR> Venturi on a KR2S
KRheads,
It has been stated: "I've been struggli
KRheads,
It has been stated: "I've been struggling to find a way to drive my vacuum
pump on my KR2S..."
In this day and age, why would you consider steam gages as something that
you want on your KR?
There are many options for electrical substitutions for steam gages that
would give you a much b
Your welcome, glad you liked it.
However, were I to do it again: instead of a v-belt I'd use a flat
(micro-v) belt (ala revmaster). That would allow me to mount smaller
pulleys onto the same shaft locations while still getting the same 3800
to 2500 rpm ratio between the pulleys.
Also flat pulle
[mailto:krnet-bounces+cgardn628=rogers@mylist.net] On Behalf Of
jscott.pi...@juno.com
Sent: Sunday, February 22, 2009 10:05 PM
To: kr...@mylist.net
Subject: [Bulk] Re: KR> Venturi on a KR2S
re: Running a gyro with engine manifold vacuum, you will find that you
aren't going to get enough v
List-Post: krnet@list.krnet.org
Date: Mon, 23 Feb 2009 John Gotschall wrote:
>You can try the method I used, ... Look for a link to "vaccuum system" at
>http://www.mykr2.com
Thanks that is exactly the type of information I was looking for.
Gary
om.au/johnjanet/Martindale.htm
-Original Message-
From: krnet-bounces+johnjanet=optusnet.com...@mylist.net
[mailto:krnet-bounces+johnjanet=optusnet.com...@mylist.net] On Behalf Of
John Gotschall
Sent: Tuesday, 24 February 2009 2:30 PM
To: KRnet
Subject: Re: KR> Venturi on a KR2S
You can
You can try the method I used,
look at the last few pics on the main page (internet exploder users may
have to go right rather than down to see the pics) and look for a link
to "vaccuum system" at
http://www.mykr2.com
belt driven vaccuum pump vw2100 all home brew.
turns the pump at 2500 rpm w
> I've been struggling to find a way to drive my vacuum pump on my KR2S...
I am also working on that one. This subject might be better for the Corvair
group but here goes.
I want to put a dry pump on my Corvair powered KR2 (still building). There
appear to be several approaches three are s
For all the time, money, weight and complexity to fit venturi's, vacuum
pumps etc. (not to mention endless posts!) Don't you think it would be less
of all to step into the 21st century and take advantage of one of the many
EFIS's now on the market?
All in all they are more reliable, offer better
At least 30 years ago I knew a machinist (a friend of my fathers) who used
something I had never seen before. When using his milling machine he used a
vacuum plate (a vacuum plate is a big rectangular piece of steel that has a lot
of little holes drilled into the top surface of it. Those holes a
The problem is that nothing is free. One could certainly use a venturi on or
in the exhaust stream, but doing so is a restriction in the exhaust, which
would inhibit exhaust flow and impact engine performance. I can't estimate how
much or whether it would even be noticeable. I suspect someone
>
> Anyone know of someone using one on a KR?
Not on KR but BX2. (Not much of a difference). Jan Hermsen is building
one. You will find his email on the first picture.
http://www.xs4all.nl/~hermhart/phamj/
Move the slider under thumbnails all the way to the right. Venturi is on
11-th pictu
Only if you use plastic fitting and line ! : )
Larry H.
Maybe I have drunk too much coffee today, but is there anything to stop one
from running a vacuum line off the exhaust?
--
Darren Crompton
AUSTRALIA
My web site: www.kr-2s.com
I had the same thought: a venturi in the exhaust pipe
-Original Message-
From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf
Of Darren Crompton
Sent: Monday, February 23, 2009 8:10 AM
To: KRnet
Subject: Re: KR> Venturi on a KR2S
Maybe I have drunk too much cof
Maybe I have drunk too much coffee today, but is there anything to stop one
from running a vacuum line off the exhaust?
--
Darren Crompton
AUSTRALIA
My web site: www.kr-2s.com
On Mon, 23 Feb 2009 14:14:45 +1100 Darren Crompton
writes:
> >
> > One of them had the venturi's
> > mounted on the belly right behind the engine air outlet, so it
> was
> > already in the disturbed air without creating a lot more drag.
> >
>
>
> Jeff.
>
> I am guessing that having the ventur
>
> One of them had the venturi's
> mounted on the belly right behind the engine air outlet, so it was
> already in the disturbed air without creating a lot more drag.
>
Jeff.
I am guessing that having the venturi in that position would also reduce the
possibility of icing as the air from the ou
for the instruments..
>
> - Original Message -
> From: "Dan Heath"
> To: "'KRnet'"
> Sent: Sunday, February 22, 2009 9:00 PM
> Subject: RE: KR> Venturi on a KR2S
>
>
> I have seen that done before, but the problem is that it
sufficient vacuum for the instruments..
- Original Message -
From: "Dan Heath"
To: "'KRnet'"
Sent: Sunday, February 22, 2009 9:00 PM
Subject: RE: KR> Venturi on a KR2S
I have seen that done before, but the problem is that it leans the mixture,
so y
Lacewell; KRnet
Subject: Re: KR> Venturi on a KR2S
On my Cherokee there is an alternate vacuum source which consists of a valve
tapped into one of the intake runners. It works well and I wonder if this
would work equally as well as a primary vacuum source on other aircraft.
Just a thou
ewell"
To: "KRnet"
Sent: Sunday, February 22, 2009 7:23 PM
Subject: KR> Venturi on a KR2S
I've been struggling to find a way to drive my vacuum pump on my KR2S and
just had the thought. Why not forget the pump and use a Venturi?
Anyone know of a good reason not to us
I've been struggling to find a way to drive my vacuum pump on my KR2S and just
had the thought. Why not forget the pump and use a Venturi?
Anyone know of a good reason not to use a Venturi?
Anyone know of someone using one on a KR?
Thanks,
Kirk Lacewell
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