hobbs switch
im having trouble finding a hobbs switch . i did a seach and googled it but didnt get much. any ideas or links to where to get one? thanks
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Originally Posted by judge88
(Post 1286663)
im having trouble finding a hobbs switch . i did a seach and googled it but didnt get much. any ideas or links to where to get one? thanks
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What's a hobbs switch?
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Originally Posted by t-boe
(Post 1286825)
What's a hobbs switch?
It comes in various pressure ranges. In turn you can dial in the pressure at which the circuit closes or opens. You can use them to set up a wastegate controller in conjunction with a solenoid valve, setting up when an aux fuel pump comes on, when to trigger a warning light, etc. |
this is a hobbs switch that will work with nos?
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Originally Posted by judge88
(Post 1287010)
this is a hobbs switch that will work with nos?
Use the Hobbs to measure the boost reading at which you want a solenoid valve to open to inject NOS. I don't think you would use a Hobbs to measure the NOS pressure??? I think that pressure would be pretty high! To calibrate, hook the Hobbs switch to a regulated air pressure source and dial in whatever pressure at which you want the switch to react. Remove the cover on the back of the switch and hook up some ohmeter leads. Then turn the adjustment screw until the meter reads a completed circuit if the switch is "normally open", or open circuit if the switch is "normally closed". Maybe a NOS system vendor has a website where you can look at a detailed parts list for reference? Or maybe Summit or Jegs sells the parts piecemeal? |
i have a kit but im piecing a 2 stage together. i want the first stage to come on at 25lbs via hobbs and secong stage via my hand switch.
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The Hobbs switches we use are adjustable from 1-25 psi, and feature NC and NO contacts.
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Here ya go.
http://www.aircraftspruce.com/catalo...obbsswitch.php We use them in aircraft all the time. |
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