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Minneapolis Moline Tractors Discussion Forum
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CNG

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KentOK

07-01-2007 08:48:07




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In the event of fuel shortages would it be possible to convert the LP to CNG? Would such a conversion be very extensive or expensive?

Any reason a 50 to 100hrp LPG tractor ($3K) with a 25K to 27K 540 PTO generator ($2.1K) be better or worse than a GUARDIAN� Standby Generator ($7K - $8K)

The Genrack has a punney 1.6L NG or PG fueled engine. It is set up for automatic operation and weekly test runs.

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Ill John

07-02-2007 18:12:23




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 Re: CNG in reply to KentOK, 07-01-2007 08:48:07  
The average house service has 1/4#, actually 7" water column pressure, all the generators around here require at least 1/2#, 14" water column pressure to supply enough fuel. The large generators, power plants here have a natural gas input pressure of from 1/2# to 120#, here, you'll never get that kind of pressure from the public utility unless you are an industrial customer and can prove responsibility. My thought would be to have a LP tractor, generator, and a large reserve/nurse tank for the LP tractor.

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KentOK

07-04-2007 06:14:02




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 Re: CNG in reply to Ill John, 07-02-2007 18:12:23  
John,

Electricity was down for two weeks in MO last winter. How many gal tank would you figure I need to go for two weeks?

Thanks
kv



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KentOK

07-02-2007 16:31:14




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 Re: CNG in reply to KentOK, 07-01-2007 08:48:07  
John,

Thanks for your reply.

Now say I can no longer get LPG and need electicty. Could I hook my MM up to a natural gas line and produce electicty? Would I be able to get enough gas from a 1" line to run a MM M670 at 540 RPM? What conversions would be necessary?

How reliable would you say natural gas supply is in an emergency situation?

Regards,
kv



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Ill John

07-01-2007 18:03:15




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 Re: CNG in reply to KentOK, 07-01-2007 08:48:07  
Kent, I worked for a NG public utility, we had dual fuel vehicles, the NG vehicles had no power when converted, the fuel pressure in a '71 Plymouth Duster was #3500, the tank was so heavy it made the rearend of the car really low. The fuel range was only about 45 miles, had to switch back to gasoline then. Some of the newer vehicles had a better range, higher compression, and different cam, but then they still had to deal with the HEAVY tank. Our big trucks pulling a trailer, backhoe, 580 Case, had no power in reserve, they used everything they had to move the trailer. We had a police vehicle converted, they had to come to our place to fill, #3500, can't get that out of a regular gas meter, 1/4#, and their range was less than 50 miles. I like propane, it's a comparable fuel to gasoline, makes MMs run AND pull.

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