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Rick
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Joined: 27 Apr 2005
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Location: UK
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Jim.Walker
Joined: 27 Dec 2008
Posts: 1229
Location: Chesterfield
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 Posted: Sun Mar 04, 2012 2:35 pm Post subject: Re: Vacuum servo hose 3/4" ID |
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| Rick wrote: | Does anyone know where I can find rubber hose to use with a vacuum servo braking system, 3/4" (19mm) inside diameter? I've spoken with Auto Hose in Stoke, they don't stock it but may be able to find some, but does anyone here know where I might find some?
thanks, R |
Can't help with suppliers Rick, but the hose MUST be vacuum hose, usually identified by a yellow stripe.
Sorry if I am teaching you to such eggs, but I have seen the wrong types of hose "sucked flat" by the vacuum. Not funny on a braking system.
Jim.
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Quote from my late Dad:- You only need a woman and a car and you have all the problems you
are ever likely to want". Computers had not been invented then! |
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Julian
Joined: 19 Apr 2010
Posts: 278
Location: Warrington
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| Posted: Sun Mar 04, 2012 2:43 pm Post subject: Re: Vacuum servo hose 3/4" ID |
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| Rick wrote: | Does anyone know where I can find rubber hose to use with a vacuum servo braking system, 3/4" (19mm) inside diameter? I've spoken with Auto Hose in Stoke, they don't stock it but may be able to find some, but does anyone here know where I might find some?
thanks, R |
Are you sure you want 3/4 ID? there's plenty of regular 1/2'' on ebay and WHY.
3/4'' ID.... are you coupling up the carriages to the Flying Scotsman 
Julian. |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22439
Location: UK
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| Posted: Sun Mar 04, 2012 4:35 pm Post subject: Re: Vacuum servo hose 3/4" ID |
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| Julian wrote: | | Rick wrote: | Does anyone know where I can find rubber hose to use with a vacuum servo braking system, 3/4" (19mm) inside diameter? I've spoken with Auto Hose in Stoke, they don't stock it but may be able to find some, but does anyone here know where I might find some?
thanks, R |
Are you sure you want 3/4 ID? there's plenty of regular 1/2'' on ebay and WHY.
3/4'' ID.... are you coupling up the carriages to the Flying Scotsman
Julian. |
Definitely 3/4" (19mm) ID I'm afraid 
And re your earlier reply, yes I've seen people use bog standard heater hose too.............................(not me)
RJ
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Julian
Joined: 19 Apr 2010
Posts: 278
Location: Warrington
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| Posted: Sun Mar 04, 2012 5:38 pm Post subject: Re: Vacuum servo hose 3/4" ID |
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| Rick wrote: |
And re your earlier reply, yes I've seen people use bog standard heater hose too.............................(not me)
RJ |
Her, hum.... point of order Rick, it wasn't me that told you not to use heater hose as I'm not in the business of teaching grannies to suck eggs
3/4'' ID vacuum hose is really beyond what I would suspect you'll find on any vehicle today. I'll have a look in my Manflex catalogue later for you as I suspect it's more likely to be found in an industrial application.
Julian. |
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Julian
Joined: 19 Apr 2010
Posts: 278
Location: Warrington
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| Posted: Sun Mar 04, 2012 6:46 pm Post subject: |
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Ok, found you some offerings from Manflex:
Oil resistant suction hose (711mm Hg at 20C) 3/4 ID ORS19-10 10metre £76.85 (it's blue)
Or Oil suction and delivery hose, (will do vacuum and 150psi) T6010/019X10 19mm ID 10 metres @ £190. It's black with a red trace.
Julian. |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22439
Location: UK
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Inglewood
Joined: 28 Dec 2010
Posts: 183
Location: Stone, Staffordshire
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| Posted: Sun Mar 04, 2012 7:40 pm Post subject: |
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| Rick wrote: | Thanks for the info Julian, I'll keep that on file if I can't find any shorter lengths. I only need about 70" in total of the 3/4 ID hose.
RJ |
Try Pirtek, they do hoses for coaches, trucks etc, etc |
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Julian
Joined: 19 Apr 2010
Posts: 278
Location: Warrington
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| Posted: Sun Mar 04, 2012 7:58 pm Post subject: |
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| Rick wrote: | Thanks for the info Julian, I'll keep that on file if I can't find any shorter lengths. I only need about 70" in total of the 3/4 ID hose.
RJ |
The only other solution I can think of, somewhat cheaper, is to use some regular hydraulic hose, with a steel braided reinforcement it'll not even notice vacuum. As has been suggested Pirtek will maybe cut you a length (or any hydraulic supplier)
I looked in the TCC (truck and trailer components) catalogue & the UC (universal components - same as TCC) catalogue and there was no vacuum hose @ 3/4ID. So I doubt that 3/4'' vacuum hose features in trucks and buses.
Julian. |
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Rick
Site Admin
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Location: UK
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exbmc
Joined: 18 Jun 2009
Posts: 236
Location: Derby East Midlands
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| Posted: Mon Mar 05, 2012 8:25 pm Post subject: pirtek |
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| I have had amazing service from the local Pertek. They seem to relish a challenge, i have gone in with two completely different sized pipes that can't be altered,but need to join together, and they have machined adaptors to fit. They have sorted me out with some very obscure fittings, off a 1960's industrial loco air system, an ancient aircraft fuel tank and a tail lift off an old truck. A bit of pipe for a servo shouldn't be a problem. Is there a branch near you Rick? |
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baconsdozen
Joined: 03 Dec 2007
Posts: 1119
Location: Under the car.
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Jim.Walker
Joined: 27 Dec 2008
Posts: 1229
Location: Chesterfield
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| Posted: Fri Mar 23, 2012 9:37 am Post subject: |
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| baconsdozen wrote: | | This probably belongs in the silly idea category but couldn't you use a hose with a spring inside it? |
That may not be such a silly idea as a last resort..
On a couple of occasions I have done just that to successfuly prevent a hose kinking on a difficult run with bends when no custom hose was available. However, they were not vacuum situations.
Jim.
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Quote from my late Dad:- You only need a woman and a car and you have all the problems you
are ever likely to want". Computers had not been invented then! |
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Bitumen Boy
Joined: 26 Jan 2012
Posts: 1735
Location: Above the snow line in old Monmouthshire
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| Posted: Fri Mar 23, 2012 12:21 pm Post subject: |
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I reckon that should work, remember the spring wouldn't have to work as a spring - a length of sufficiently heavy wire wound round a suitable former would do. Make sure the coils are close enough together and it should be sorted. Cheap, too!  |
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MVPeters
Joined: 28 Aug 2008
Posts: 822
Location: Northern MA, USA
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| Posted: Fri Mar 23, 2012 3:44 pm Post subject: |
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Can we ask why you need 6' of this hose? Would it be possible to use 5'11" of steel/brass/copper pipe & two small connecting pieces of hose?
Alternatively, try a railway restoration site (Severn Valley?), since rly. equipment often has a vacuum braking system.
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Mike - MVPeters at comcast.net
2002 MINI Cooper 'S' |
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