12v air compressor ? that will actualy inflate a tyre ?

Discussion in 'Tech/Mech General' started by Terry, Jun 6, 2010.

  1. Terry

    Terry Funster

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    Hi does anyone make or have such a device ?
    terry
     
  2. geoff587

    geoff587 Read Only Funster

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    Had a couple but disappointed with both, all right for topping up the bike/car/trl but struggled above 40 psi so not a lot of use for the camper.
     
  3. Snowbird

    Snowbird Funster Life Member

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    Yes, I got one from Lidle some time ago and it says it will inflate to 110 psi,but have never tried it at that pressure.
    I have tried it at 90 psi on the RV and it works fine for topping up pressure but I think I would have a long wait from flat.
     
  4. pappajohn

    pappajohn Funster Life Member

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  5. GJH

    GJH Funster Life Member

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    I bought a Ring RAC 600 earlier this year. Never tried going from flat but it works fine on the van for "topping up".

    Graham
     
  6. Sweet Chariot

    Sweet Chariot Read Only Funster

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    MMM. Magazine has a piece on them this month where they test around 4 of them.:thumb:
     
  7. vwalan

    vwalan Funster

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    terry if you want a good one .they arent cheap go to wh smiths or your local megshop .look in the landrover mags .anything from 80quid up . i use gast oilless compressor on the truck but they are megga price 600quid . need it for the airbrakes on trailer but it does tyres a treat . look for matt savage in the l.r.mags he does a few about 100-200 or paddock do some from40 quid up . dont know how good .
    good ones arent cheap . cheers alan.
     
  8. shortfuse

    shortfuse Read Only Funster

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    Another vote for the RAC Ring 900 :thumb::thumb:
     
  9. Douglas

    Douglas Read Only Funster

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    I bought a cheapo from Lidil 4 years ago and use it to top up my tyres to 80lb quite often, the trick is to only run the pump for 10 min the let it cool for 15 min. a bit long winded (he he) but it works.

    PS it also doubles up a an air pump for Sandra's medication when her Asama gets bad.

    Doug...
     
  10. Terry

    Terry Funster

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    Hi thanks all, it is for a mate :thumb: I SHALL PASS ON YOUR COMMENTS :thumb:
    terry
     
  11. Wintonian

    Wintonian Read Only Funster

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    Although some come from the USA, most of those expensive compressors mentioned are made in China and are mostly very good. I have been communicating with one large manufacturer there recently. The little cheap things that are sold by Halfords, Lidl and Argos are toys and not worth the space in a MH. The reason that they reach the amazing 150 or 200 psig is that they have tiny pistons in tny cylinders. Anyone who did 'O' level physics will understand why that is.

    They may produce a high pressure, but the displaced volume is very small, so inflating a large tyre takes a long time. The safe cycle time for one of these little 12v units is only 10 minutes, after which the motor may burn out. They are great for inflating beach balls or mini tyres.

    If you look to pay from £80 to £200 you will get a compressor that can be permanently mounted inside a locker with an outlet (or two) fixed conveniently on the body ready for you to connect the tyre inflator. If you have air-ride suspension, you can connect it via valves to that, too. I have a heavy duty one that was once supplied to operate air-operated diff locks for a Land Rover.
     
  12. JeanLuc

    JeanLuc Funster

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    If you can find one, the Interdynamics "Truck Air 300" will do the job. They are used by the off-road boys who are continually deflating and inflating tyres to cross the soggy bits. I got one a couple of years ago, but the supplier is no longer trading. Interdynamics is a US company, but I suspect they are made in the far east. Below is a link to a US trader's website so you can see what it looks like. Mine has absolutely no problem in pumping the rear tyres to 4.5 bar and it runs from a 12V cigarette lighter socket.

    Philip

    http://www.autobarn.net/achd-275.html
     
  13. TonyIsh UK

    TonyIsh UK Read Only Funster

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    AND think of air horns you could have , if you top up a a reserve air tank !!!!!
     
  14. vwalan

    vwalan Funster

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    to be honest what you need is a tank somewhere on the van .if you do repair your tyre you may need that big whoosh of air to push out the beads. as said by previous poster ,air horns etc blow out brakes etc .i have to have mine but anybody that is thinking of blowing up tyres from flat and not just topping up its what you need.
    some get compressors from scrapped ambulances.
    t,max is a common one in the 4x4 mags.
     
  15. Douglas

    Douglas Read Only Funster

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    The way around this Alan is to place a rope around the tyre and tie it off as a Spanish turnkey, as the rope is tightened the walls of the tyre are pushed out onto the rim, then even a slow compressor will push the beads onto the rims.


    Doug...
     
  16. vwalan

    vwalan Funster

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    hi doug not always on radials now you use a sausage that you slip over the edge of the wheel. it can be done using a cycle tube to take up the gap .or its possible to get a jet blast or something tool that dumps air in so quick never fails.
    have used wet rags loads soap. i worked for michelin for awhile so have done a few by the roadside. and even more in the desert. cheers alan.
     
  17. solo 1

    solo 1 Funster Life Member

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    This may be a little long winded :Laughing: but if you jack the wheel up to relieve the pressure, it will fill a lot easier. pat
     
  18. pappajohn

    pappajohn Funster Life Member

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    Nah !!!!! forget all this tosh about ropes and cycle tubes.:Wink:

    this is how to get the bead on the rim..:Eeek:

    [ame]http://www.youtube.com/watch?v=rXxR0rk_Bpw&feature=related[/ame]
     
  19. vwalan

    vwalan Funster

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    unfortunately that only works in very cold climates . but good try.
     
  20. Terry

    Terry Funster

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    Hi all and thanks for the reply s :thumb: now you have me thinking about buying one :Rofl1: (info was for my mate ) I have a 3 hp compressor at home so not desperate to buy a small one :Rofl1:always thought of them as a waste of money :Doh: Now after your comments Alan, I already have a compressor on-board (ambulance ) for my rear suspension :thumb: but now thinking I may as well buy a cheapo one or better still one of a ambulance in case mine ever packs up.It could well prove a worth while investment as a standby to pump up my suspension if it ever packs in :Rofl1: Once it is up it stays up all day and if it did not put enough pressure in I can always drive to a garage and top it up :thumb: to get me home.I have learned a lot about air suspension since getting the van and it is all very stright forward once you know how / what work what :thumb:
    terry
     
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