N2O Tech Discussion for the use of Nitrous Oxide

Hobbs Switch?

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Old Jul 5, 2003 | 12:53 PM
  #1  
Wild1's Avatar
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Hobbs Switch?

Newbie to N2O, what is a Hobbs Switch? I can understand how it would work with a turbo or S/C but I can't figure out how to use it with N2O. Any benefit? Is it something like a window switch? Or a Fuel Pressure Safety Switch?
Old Jul 5, 2003 | 02:08 PM
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the fpss is a hobbs switch.

Ryan.
Old Jul 5, 2003 | 03:29 PM
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Fuel pressure safety switch. It will shut the n2o off, if the fuel pressure drops below the set psi.
Old Jul 5, 2003 | 03:44 PM
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So is it adjustable or is it set? If I'm running a separate tank (low psi) for racing fuel (3 gallons) up front where the battery used to be, then how would I adjust the Hobbs/fpss?
Old Jul 7, 2003 | 03:55 PM
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Originally posted by Wild1
So is it adjustable or is it set? If I'm running a separate tank (low psi) for racing fuel (3 gallons) up front where the battery used to be, then how would I adjust the Hobbs/fpss?

it's adjustable, turn the screw on top. Hook it up to a air compressor to get the psi u want.
Old Jul 7, 2003 | 06:24 PM
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Air Compressor... great idea.
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