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Little O/T Eng to Air Compressor Conversion
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CarGuru > Volkswagen > Little O/T Eng to Air Compressor Conversion 4 March 2005 18:47:57

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Little O/T Eng to Air Compressor Conversion

Wes Pearson 4 March 2005 13:03:26
 I saw a picture of a Briggs and Statton one cylinder motor that had been
converted into an air compressor and got to thinking about doing the
same thing to a 36 hp 1200 CC bug engine. The basic change is to remove
the push rods and somehow lock the lifters in place, install two one way
air valves in the head (one for intake and one for out flow) with the
appropriate pluming to a tank. An electric motor is used to drive the
engine wired with an adjustable pressure switch.

Has anyone tried this type of conversion. I know about the conversion
with two cylinders running and the other two acting as an air pump. It's
a little on the expensive side and much more air then I would ever need.
I already have a 30 gallon propane tank and a pressure switch that would
handle the electrical load for a large motor. Graingers has the valves
for a reasonable price. What I need to know is how big of electric motor
would I need and how many rpm's to run it. I'm looking for about 120 PSI
max with around 20 CFM output.

Does this sound like a feasible project? I'm figuring no more then $125
for the valves and wiring and maybe $150 to $200 for a new electric
motor. Less if I can find a used one. Any thoughts on this would be
appreciated.
Add comment
Mac 4 March 2005 14:48:18 permanent link ]
 Contact Dunn-Right Inc at dunnright@carol.net­ and it might save you a lot of
time trying to get something to work for you for what you want and have alot
more power. Haven't built one yet...... too many projects stacked up, but
if the claims are anywhere near the facts they claim you could get over
50CFM @ 100 psi. Email them and get the same package I've gotten from them.

If you would like I could scan the documents I recieved from them and e-mail
them to you to save time.

Mac



"Wes Pearson" <rwpilot@adelphia.n­et> wrote in message
news:oYOdnbz8fInFub­XfRVn-3Q@adelphia.co­m...>I saw a picture of a Briggs and Statton one cylinder motor that had been >converted into an air compressor and got to thinking about doing the same >thing to a 36 hp 1200 CC bug engine. The basic change is to remove the push >rods and somehow lock the lifters in place, install two one way air valves >in the head (one for intake and one for out flow) with the appropriate >pluming to a tank. An electric motor is used to drive the engine wired with >an adjustable pressure switch.>
Has anyone tried this type of conversion. I know about the conversion with > two cylinders running and the other two acting as an air pump. It's a > little on the expensive side and much more air then I would ever need. I > already have a 30 gallon propane tank and a pressure switch that would > handle the electrical load for a large motor. Graingers has the valves for > a reasonable price. What I need to know is how big of electric motor would > I need and how many rpm's to run it. I'm looking for about 120 PSI max > with around 20 CFM output.>
Does this sound like a feasible project? I'm figuring no more then $125 > for the valves and wiring and maybe $150 to $200 for a new electric motor. > Less if I can find a used one. Any thoughts on this would be appreciated.


Add comment
Michael Cecil 4 March 2005 14:49:31 permanent link ]
 On Fri, 04 Mar 2005 01:03:26 -0800, Wes Pearson <rwpilot@adelphia.n­et>
wrote:
I saw a picture of a Briggs and Statton one cylinder motor that had been >converted into an air compressor and got to thinking about doing the >same thing to a 36 hp 1200 CC bug engine. The basic change is to remove >the push rods and somehow lock the lifters in place, install two one way >air valves in the head (one for intake and one for out flow) with the >appropriate pluming to a tank. An electric motor is used to drive the >engine wired with an adjustable pressure switch.>
Has anyone tried this type of conversion. I know about the conversion >with two cylinders running and the other two acting as an air pump. It's >a little on the expensive side and much more air then I would ever need. >I already have a 30 gallon propane tank and a pressure switch that would >handle the electrical load for a large motor. Graingers has the valves >for a reasonable price. What I need to know is how big of electric motor >would I need and how many rpm's to run it. I'm looking for about 120 PSI >max with around 20 CFM output.>
Does this sound like a feasible project? I'm figuring no more then $125 >for the valves and wiring and maybe $150 to $200 for a new electric >motor. Less if I can find a used one. Any thoughts on this would be >appreciated.

Well, since you can buy a large electric compressor for that much already
wouldn't it be smarter to do that and save the engine for some poor VW
that needs one? The only use I can see would be if you needed a
compressor far away from the electric lines.

--
Michael Cecil
http://home.comcast­.net/~macecil/
1970 VW Beetle "Millennium Sparrow"
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CarGuru > Volkswagen > Little O/T Eng to Air Compressor Conversion 4 March 2005 18:47:57

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