Tips on Hard Mounting a 4wd Air Compressor
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- Опубликовано: 23 фев 2022
- Tips on hard mounting an air compressor to your 4wd. In the video I talk about unsing the Enerdrive table to correctly size your cable for your air compressor.
The table can be found here on the Enerdrive website; www.enerdrive.com.au/wp-conten... 
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Good video mate. Appreciate the info and tips.
thank you for detailed video
Re your ohm's law stuff at the end, I think you will find that compressor current drops (not increases) as wire resistance increases. Only a product that draws constant power (such as a 240V inverter) will draw higher current as voltage drops. A compressor behaves more like a constant resistance device.
Yep, V=IR (Ohm's law), or voltage equals current x resistance. So for any given voltage, as resistance increases, current decreases.
Great video thanks for that, I already have an anderson plug at the rear to charge the camper, could I do the same and just rewire my portable compressor to anderson plug ? Looks like a cheaper option that getting one installed that’s for sure
Hey mate, you would need to check the cable size and fuse to make sure it’s suitable. Mine is the same as yours, dual purpose to charge the camper trailer as well.
If you run off the second battery, wouldn't the DC/DC charger get the alt charging the second batt anyway?
Yes it would. It’s ok with the ARB compressor that draws relatively low current but if it were a larger compressor like the Double Thumper that draws up to 90 amps it wouldn’t be a good idea. It would still work, but it is adding more components into the scenario than necessary.
To reduce the voltage drop, would it be worth considering mounting a compressor in the engine bay? I’ve got space for it on my 02 Ranger. I’ve got a dual cab still with the regular pickup body, I’m not sure if or when I’m going to build a flat bed for it.
Are the downsides of being in the engine bay worth it? I think heat, water and mud will be the biggest problems. But I’d feel more comfortable running and fitting airlines to the rear rather than electrical cables
Absolutely fit it in the engine bay if you can. Previous to the Ranger I had an ARB under bonnet in my Hilux. It was in there fir 8 years I think with no issues at all.
@@TasmanianOffroadAdventures with mine being an older Ranger, I’ve got space inbetween the air box and the headlight. I will just have to make sure it’s relatively easy to remove because for some aspects of maintenance such as the thermostat, removing the air box and alternator really helps with access