Boiling Power Steering fluid
05-01-2005, 12:20 PM
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Boiling Power Steering fluid
Last time I was on track, after when i opened the bonnet it looked like the power steering fluid was boiling. Can you get different grades suitable for track use like you can for brake fluid, or can you use a cooler?
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05-01-2005, 12:41 PM
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You CAN get coolers - Mike Gaybird has one (think it uses the engine coolant). I'm sure you could plumb a rad into the pipe loop that comes along the N/S chassis leg too.
Are you sure it was boiling Paul? - The fluid in mine always appears turbulent to some extent, but I've only seen it show signs of overflowing once (Croft this year)... I put this down to prolonged use of the baps rather than boiling
Neil.
Are you sure it was boiling Paul? - The fluid in mine always appears turbulent to some extent, but I've only seen it show signs of overflowing once (Croft this year)... I put this down to prolonged use of the baps rather than boiling
Neil.
05-01-2005, 01:59 PM
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it should have a cooler of sorts as standard, but it's just a length of pipe that doesn't exchange much heat. you have the option to replace that with another type of cooler, but you probably shouldn't use an oil cooler as that is the return side so may present too much of a pressure drop.
most power steering fluid coolers are lengths of pipes with discs joined over them in a kind of spiral to increase the surface area for more heat transfer. heat transfer is also greatly improved with air flow, so maybe just a piece of ducting under the car may be enough?
most power steering fluid coolers are lengths of pipes with discs joined over them in a kind of spiral to increase the surface area for more heat transfer. heat transfer is also greatly improved with air flow, so maybe just a piece of ducting under the car may be enough?
05-01-2005, 02:05 PM
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Paul, as Neil s rightly says, the PS fluid under transit is turbulent. I have just bought a bailey PS pot and am looking at getting screw on fittings added, then running a small rad inline with the aeroquip fittings.
il let you know how i get on
il let you know how i get on
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05-01-2005, 02:17 PM
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Originally Posted by DaveEscos
Paul, as Neil s rightly says, the PS fluid under transit is turbulent. I have just bought a bailey PS pot and am looking at getting screw on fittings added, then running a small rad inline with the aeroquip fittings.
il let you know how i get on
il let you know how i get on
it definately was bubbling away whilst I was stationary with everything turned off
Also like the idea of a loop of pipe in the airflow to cool it down, rally stylee
05-01-2005, 02:27 PM
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You already have a loop 
As Foreigner says, you could make the transfer properties of the loop better by adding fins to it. Might be interesting!
I think PON may have looked into a cooler, but cant quite remember.
Neil.
As Foreigner says, you could make the transfer properties of the loop better by adding fins to it. Might be interesting!I think PON may have looked into a cooler, but cant quite remember.
Neil.
05-01-2005, 02:44 PM
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Originally Posted by Neil S
You already have a loop As Foreigner says, you could make the transfer properties of the loop better by adding fins to it. Might be interesting!
I think PON may have looked into a cooler, but cant quite remember.
Neil.
As Foreigner says, you could make the transfer properties of the loop better by adding fins to it. Might be interesting!I think PON may have looked into a cooler, but cant quite remember.
Neil.
05-01-2005, 03:41 PM
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I run a cooler.
As Nick quite rightly says, the standard "cooler" is a length of pipework that heads down the car, and u bends back again to give as much s.a. as possible.
I took this all out as it was rusty, corroded, and probably not cooling much, and replaced it with a nine row cooler in line on the return side.
I'll dig some pics out in a bit.
As Nick quite rightly says, the standard "cooler" is a length of pipework that heads down the car, and u bends back again to give as much s.a. as possible.
I took this all out as it was rusty, corroded, and probably not cooling much, and replaced it with a nine row cooler in line on the return side.
I'll dig some pics out in a bit.
05-01-2005, 03:43 PM
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Originally Posted by RichardPON
I run a cooler.
As Nick quite rightly says, the standard "cooler" is a length of pipework that heads down the car, and u bends back again to give as much s.a. as possible.
I took this all out as it was rusty, corroded, and probably not cooling much, and replaced it with a nine row cooler in line on the return side.
I'll dig some pics out in a bit.
As Nick quite rightly says, the standard "cooler" is a length of pipework that heads down the car, and u bends back again to give as much s.a. as possible.
I took this all out as it was rusty, corroded, and probably not cooling much, and replaced it with a nine row cooler in line on the return side.
I'll dig some pics out in a bit.
I will be getting Martin to do this ASAP
05-01-2005, 03:51 PM
#15
Testing the future
have you ran his setup yet rich?
as i say, the cooler is on the return side of the circuit. if you install an oil cooler type heat exchanger, you will increase the pressure drop between the rack and the tank and i don't know what effects that will have (if any). it may blow out some seal or something.
someone's bound to have done it before and proved me to be talking bollox
as i say, the cooler is on the return side of the circuit. if you install an oil cooler type heat exchanger, you will increase the pressure drop between the rack and the tank and i don't know what effects that will have (if any). it may blow out some seal or something.
someone's bound to have done it before and proved me to be talking bollox
05-01-2005, 03:53 PM
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Paul,
Ive had this problem in the past,I fitted a spec-r water cooled tank which sorted the problem Mike R had the same problem on the scort and done the same,but keep in mind that there is two different sizes Bruce had one fitted to the 3dr also
Ive had this problem in the past,I fitted a spec-r water cooled tank which sorted the problem
Mike R had the same problem on the scort and done the same,but keep in mind that there is two different sizes Bruce had one fitted to the 3dr also
05-01-2005, 04:23 PM
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good news rich. the return flow is not under pressure, that is the point i'm trying to make. normally the outlet to the rack will not be under pressure as it is just returning to the tank. if you put a cooler in the way, you will increase the pressure before it which concerned me slightly.
but it seems not to be a problem, so we're all happy
but it seems not to be a problem, so we're all happy
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