help please... tyre compressors, psi?

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showjump2003

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Ahhhhh, me and the horse move to livery on fiday so yesterday I cleaned out the car and shut the adaptor to the tyre compressor in the door and completly shattered it! Really need a tyre compressor to take with me incase I need it for the trailer ect so I am planning a trip to Argos this afternoon.

Have argos open now and there are 7 different compressors, some ranging from 30 psi up to 120 psi. So I know psi is a tyre pressure measurement but what does it actually mean? Is the highest the best? Gahhhh
 
Psi means ( i may well we wrong here!!! ) pounds per square inch. Which in short means how hard you are pumping your tyre up to be. There are normally set amounts for cars and trailers as a rough idea i think my trailer is 45 psi in the tyres ( which is quite high ) and my jeep is about 35 ( cant remember exactly but somewhere round these figures)
hope that is something like helpful and good luck with the move!!
 
You need to have one that will inflate your tyres to the specified pressure. If you need 40psi in your trailer tyres then it is no good having one that does to 30psi as it is impossible to inflate to the required pressure. I would go for one that inflates to significantly higher, obviously weigh up the difference in cost against it aswell. I've got an electric compressor but to be honest my foot pump with the double cylinders inflates my tyres quicker & there's less to go wrong. At under £5 it was a grest buy.
 
Yes, a 120 psi would do it.....keep an eye on it while you're using it though because you don't want them over inflated. I actually don't trust the guages on the electric pumps & check the pressures with a tyre guage afterwards & deflate if too much air is in them. Too much air will give the trailer a hard ride & tend to make the trailer bounce...OK (Electronic tyre guages are only a couple of pounds, you'll get one from Argos I expect)...Good Luck
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