CorvAircraft> alternative carbs

[david stroud]

Here is the carb, Gary.
http://www.jpcycles.com/groups.aspx?LID=529d1931-290a-45a4-a551-a515dbe13ecb&DID=295560d0-d7fa-4f4a-bf3f-b64c11107c9a
Notice the two adjustment screws on the top. The one closest to you is the main jet 
adjust screw. If you go with this carb, check to see that it has the adjustable main jet. Some do
not. Take note that this carb likes very low fuel pressure and if you mount it on top of the
engine, you'll need a fuel pump and therefore need a fuel pressure regulator. On my
Vair this was a set it and forget it carb. It started easily in all conditions and ran smoothly
through all rpm ranges. 

David Stroud   Ottawa, Canada
C-FDWS  Christavia 
Fairchild 51 under construction


----- Original Message ----- 
From: "Gary&Sharon" <topsaddle at first-comm.net>
To: "Corvair engines for homebuilt aircraft" <corvaircraft at mylist.net>
Sent: Tuesday, January 01, 2008 9:34 PM
Subject: Re: CorvAircraft> alternative carbs


David, Clare,   You guys have sold me,  Anyone wanna buy a Dellorto?  :0) 
David,  what is the model/number you recommend?  Gary
----- Original Message ----- 
From: "david stroud" <dstroud at storm.ca>
To: "Corvair engines for homebuilt aircraft" <corvaircraft at mylist.net>
Sent: Tuesday, January 01, 2008 5:47 PM
Subject: Re: CorvAircraft> alternative carbs


> Exactly right, Clare. Simplicity is a good thing. The best carb I ever had
> on my soob was that $20 Holley 5200 out of a Chevette. Like a fool, I
> swapped it out later for the Holley 2300 with McNeilly mixture plate etc.
> and gained no performance to speak of, gained about 6 lbs and my wallet
> was about $700 lighter.
>
> For you lads that are needing carbs and are seriously interested in 
> getting
> an engine running rather than banging away endlessly on a keyboard,  you
> might consider that Harley/ Zenith sidedraft carb that I used and Murray
> Green is using now. They are under $300 new, they are simple to install
> and get adjusted right and they work well. I hate messing with carbs and 
> this
> one ran like a charm. Ebay has nice ones for under $100.
>
> David Stroud   Ottawa, Canada
> C-FDWS  Christavia
> Fairchild 51 under construction
>
>
> ----- Original Message ----- 
> From: "Clare Snyder" <claresnyder at rogers.com>
> To: "Corvair engines for homebuilt aircraft" <corvaircraft at mylist.net>
> Sent: Tuesday, January 01, 2008 6:00 PM
> Subject: Re: CorvAircraft> alternative carbs
>
>
> Basically too complex. We do not need the tuneability required for a road
> racing car - for phenomenal accelleration through corners and all that
> stuff.
> Which means we don't need the extra parts and weight. We don't need dual
> throats. Lots of stuff there we don't need, particularly since they are 
> not
> altitude compensating, do not provide for simple in cockpit mixture
> adjustment, and will not provide us with any tangible performance
> improvement over some much simpler, lighter, smaller, and generally less
> expensive and complex alternatives.
> ----- Original Message ----- 
> From: "Gary&Sharon" <topsaddle at first-comm.net>
> To: "Corvair engines for homebuilt aircraft" <corvaircraft at mylist.net>
> Sent: Tuesday, January 01, 2008 10:01 AM
> Subject: Re: CorvAircraft> alternative carbs
>
>
> Clare,
> Thanks for your imput,  I am curious what you meant by "OVERKILL for our
> use"  to large?  to complex?
>
>
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