Tom Posted September 13, 2007 Share Posted September 13, 2007 Having just got me a V-pulleyed air-con pump to fit to the V8, I'm now beginning to think about fittings etc. My main problem is: What size tank to use? To start with it'll only be used to inflate tyres, but I eventually want to run a rattle-gun etc from it too. It will get light use as I'm no ladoga entrant . I realise it'll have to be regulated to 6.5 bar for tools, but I plan to store at about 10 bar, so what sort of size tank am I looking at to give me a decent few seconds burst on a rattle gun before it runs out of puff? It wants to be as small as possible and fit under the bonnet - would half a gallon be enough? Cheers guys Tom. Quote Link to comment Share on other sites More sharing options...
white90 Posted September 14, 2007 Share Posted September 14, 2007 http://forums.lr4x4.com/index.php?showtopic=2527 http://forums.lr4x4.com/index.php?showtopic=2115 Quote Link to comment Share on other sites More sharing options...
dollythelw Posted September 16, 2007 Share Posted September 16, 2007 pop down the local Creche - grab a disposible party balloon tank, drill plastic tap out and tap the remaining brass fitting, hey presto sub 2kg decent sized reservoir, safety blowoff disc as standard - £free Quote Link to comment Share on other sites More sharing options...
Tom Posted September 17, 2007 Author Share Posted September 17, 2007 White90 - very helpful links, thanks. Dollythelw - I know where there is one of those, but I'd discounted it because it was so light! I didn't think it would safely store 150psi. Quote Link to comment Share on other sites More sharing options...
TomG Posted September 17, 2007 Share Posted September 17, 2007 I got a party tank a while ago but chickened out from using it cos it's plastered in warnings about not re-using as an air cylinder How about fitting / making a hand throttle to pin the rpms at 1500 or so, then it really chucks the air out Fitting a 1 gallon tank to mine (from Matt Savage) Quote Link to comment Share on other sites More sharing options...
dollythelw Posted September 17, 2007 Share Posted September 17, 2007 Ive used a few of them and converted a couple more for other people - no probs encountered, the blow off disc is set to 20bar from memory - with the system pressure switch set to click on keep and it topped up to 150psi theres enough puff to reseat a 36x12 simex and still have a substantial safety margin Quote Link to comment Share on other sites More sharing options...
Corrode Finger Posted September 17, 2007 Share Posted September 17, 2007 Just a thought as the topic has come up, would the air tanks off a 7.5t lorry be suitable, i have acquired two from a ford cargo for free? Quote Link to comment Share on other sites More sharing options...
dollythelw Posted September 17, 2007 Share Posted September 17, 2007 no reason why not Quote Link to comment Share on other sites More sharing options...
Orgasmic Farmer Posted September 17, 2007 Share Posted September 17, 2007 I too have the tanks from a ford cargo truck and plan to use them. They are about 2 gallons a piece so I will p[probably only use the one Quote Link to comment Share on other sites More sharing options...
Tom Posted September 19, 2007 Author Share Posted September 19, 2007 Excellent, managed to bogart a disposable balloon filler bottle from a lay-by I'd seen recently, and is says tested up to 22Bar so that's what I'll use! Cheers fellas. Quote Link to comment Share on other sites More sharing options...
HoSS Posted September 24, 2007 Share Posted September 24, 2007 Tom are you fitting this to a defender? I'm in the middle of the same, but i've come up against problems with the compressor mounting. (RR mount does not have correct offset for Def, and Def mount is meant for disk type compressor & sanden then fouls the rocker covers) Just interested what you have found... HoSS Quote Link to comment Share on other sites More sharing options...
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