I connected the pump and switched on.. the gauge pressure shot up.. but no air was going into the tyre.. Puzzled, I had a look and found that there was no pin in the inflator connector to open the tyre valve.. so air could never go in.. I’m now finding that I need either a small but powerful 12volt battery, or maybe a mains transformer that I can use at home or on the move.

Ring Automotive TYRE DEFLATION - Ring Automotive

While on the aire at Gravelines, a motorcyclist came over from the road and asked if I could help with a tyre inflator.. his rear tyre was soft.. I bought an RAC600 a few years ago, having seen a review, and it was fine on the few occasions I had to use it until it died last year when Jim's flashy red thing started flashing on one of the tyres. Inflating a motorhome tyre with a portable 12 volt compressor is likely to burn out the motor before the tyre is up to pressure. And it will take an eternity. Practical Motorhome is part of Future plc, an international media group and leading digital publisher.

Inflating at 30psi is one thing: inflating at 60psi quite another. I've owned 12V tyre-pumps that have inflated the tyres of my cars easily and rapidly from, say, 25psi to 30psi, but have either refused to work at all, or took forever, when asked to put a couple of psi into a motorhome tyre at 60psi. Night time use with the RAC830 is safer and easier thanks to the LED light. Includes three adaptors for inflating sports balls and other small inflatables. Comes with a storage case. With the RING Automotive Air Compressor RAC900 the hose is attached by screwing the brass Schrader valve attachment onto the valve until it seals against a sealing ring. The valve attachment has a push and turn mechanism to allow the tyre to be deflated when the pressure is too high while the compressor is still attached to the wheel valve. The compressor comes with an instruction label attached to the pipe but it may rip off easily. It does come with a three-piece adaptor kit so that you can inflate small leisure items such as footballs and air beds. POWERFUL INFLATION: inflates a 13” tyre from flat to 35psi in 90 seconds. Powered directly from a 12V battery to give the fastest possible inflation.

Ring Tyre Inflators | Mechanics Tools | Screwfix Ring Tyre Inflators | Mechanics Tools | Screwfix

So my “slave battery “ option is not unreasonable, but has payload issues, if you have payload issues with your van. The power consumption of the RAC900 is 280 Watts. That’s equivalent to 5 car headlamp bulbs of 55 Watts each. This is much more than a cigar lighter which is often 180Watts. And it’s continuous throughout the time you’re pumping the tyre. I was holding both in one hand and the camera in the other.. set on macro.. not a great idea for a clear photo.. I'm looking for a reliable air compressor myself after finding out that the supplied one on our Burstner is next to useless....actually it is useless. The auto stop feature ensures accurate inflation. It is easy to use: set the dial to the pressure you need. Then press start. The inflaton with automatically stop at the prescribed pressure.It has worked faultlessly many times but they do have limitations, I never run continuously for long periods, which would be needed for inflating a large tyre from near flat. To use it with a car the bonnet must be open and the battery cover removed to expose the battery terminals. https://forums.outandaboutlive.co.uk/forums/Motorhomes/Motorhome-Matters/12v-van-tyre-pump-recomendations-please-/49906/ IDEAL FOR LARGER VEHICLES: this powerful air compressor is ideal for inflating high pressure tyres. It also comes with 7m extendable airline, which can stretch the full length of a motorhome or transit van.