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PT & WB (Twin Axle Pusher Unique Issues) If you have a unique issue with your PT or WB model coach and it can't be answered in one of the other forums here, then this is where you can list it....list your PT Parts here too.

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  #111  
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1984Lodge 1984Lodge is offline
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Yes that's it. And it has to flow a lot of fluid. There are a ton of small valves, but they aren't anywhere near the required flow rate. There is surely one out there somewhere.
I am on it... will let you know what I find.. you remember the GPM for the fan motor at max...
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Jeff LoGiudice
1984LodgeJeff@gmail.com
Temple Terrace, Florida
1984 Bluebird PT40
#F063411 6V92TA & MT654CR
& 1986 MCI 102A3
6V92TA & HT740 (Sold)
YouTube-Gino's Garage https://www.youtube.com/user/xjrjeff
http://www.bbirdmaps.com/index.cfm #460
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  #112  
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badandy badandy is offline
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The pump flows 1.94 ci/rev, max of 3000 rpm. So that's 5820 ci at 3000 rpm, or about 25 gallons per minute.
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  #113  
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1984Lodge 1984Lodge is offline
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The pump flows 1.94 ci/rev, max of 3000 rpm. So that's 5820 ci at 3000 rpm, or about 25 gallons per minute.
Got it... I was thinking around 20 gpm.. now to find a valve that will flow that much..
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Jeff LoGiudice
1984LodgeJeff@gmail.com
Temple Terrace, Florida
1984 Bluebird PT40
#F063411 6V92TA & MT654CR
& 1986 MCI 102A3
6V92TA & HT740 (Sold)
YouTube-Gino's Garage https://www.youtube.com/user/xjrjeff
http://www.bbirdmaps.com/index.cfm #460
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  #114  
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GregOC GregOC is offline
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what are you using to collect the resistance data and calculate a pulse width output? the electric fan pwm controllers send a higher % to run the fan faster. the proportional valves in many fan apps are set to run full speed at no pulse and at 95% pulse they shut flow to a ****.
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  #115  
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badandy badandy is offline
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what are you using to collect the resistance data and calculate a pulse width output? the electric fan pwm controllers send a higher % to run the fan faster. the proportional valves in many fan apps are set to run full speed at no pulse and at 95% pulse they shut flow to a ****.
A PCB I built and programmed. It has a GM temp sensor for input, CAN bus for communications/programming, and directly controls the PWM valve. I can make it do whatever I want...
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  #116  
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GregOC GregOC is offline
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Cool. Arduino? Some of those proportional valves need stable voltage I set one up at 20 volts and stepped it down from 24vdc
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  #117  
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badandy badandy is offline
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It's not an Arduino, it's a board I designed from scratch, but it's using an AVR. Everything is written in C. The Danfoss valve is 12v, so you can use probably PWM it at 5-15v without any trouble. I tested it at 12v.
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