🚀 go-pugleaf

Paul Hovnanian P.E. wrote:
> Scott Dorsey wrote:
>> In article <48C9D4F6.601030D8@hovnanian.com>,
>> Paul Hovnanian P.E. <paul@hovnanian.com> wrote:
>>> On a distantly related topic: anyone have a URL for a supplier of
>>> natural gas conversion kits for small engines (Briggs & Stratton, 5 HP
>>> size)?
>>>
>>> I've got a genset with a crudded up carb that I'd rather run off the gas
>>> service anyway.
>> If it's an Onan genset, you can buy a kit from Onan.
>> --scott
> 
> No. Its some odd brand unit. Fortunately, it uses a B&S engine, so that
> should be easy to find parts for. But B&S doesn't have conversion kits,
> nor do they endorse after market mods. Their position appears to be: but
> a new B&S motor already fit for the purpose.
> 
> I found one site that appears to be selling something which appears to
> be a pressure regulator, a metal tube and instructions on how to drill a
> hole in your carb and stick the metal tube in. But this looks like a
> cheap hack.
> 
> Some years ago, I converted a pickup truck to run on propane. The
> metering unit that sat n top of the carburetor was a non-trivial piece
> of hardware, as I recall.
> 

      You're probably thinking of the vaporizer/pressure regulator. 
It's needed on propane units but not on natural gas.
  You might try asking on the alt.energy.homepower group.
    There are a lot of irrigation power units on natural gas or propane. 
The ones I'm used to seeing are 300 cid. up to about 454 cid.
    You'll lose about 20% of the horsepower on natural gas if I remember 
correctly.  I think the timing needs to be advanced also if going from 
gasoline to either propane or natural gas.

                                             Dean


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