Backup air compressor on coach

Backup air compressor on coach - Printable Version

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Backup air compressor on coach - Land Yacht - 11-17-2016

How do you all air your tires when traveling? Is there a way to use the coach air? Or do you carry a portable air compressor to air tires and use as backup to open the door etc if main compressor fails?

How big of a compressor do you need to air the tires to 120 psi?

RE: Backup air compressor on coach - RussWhite - 11-17-2016

I carry a pancake compressor that shuts off at 150psig. I need 125 in the steer tires.

RE: Backup air compressor on coach - Land Yacht - 11-17-2016

(11-17-2016, 07:58 PM)RussWhite Wrote: I carry a pancake compressor that shuts off at 150psig. I need 125 in the steer tires.

I was looking at air compressors tonight and I was not sure what it took to air the tires, most seemed to have a max psi usually around 135, and then xxx cfm @ 90 psi. With such large tires does the tank size and cfm matter?

RE: Backup air compressor on coach - jcus - 11-17-2016

(11-17-2016, 08:05 PM)Jmginn78 Wrote:
(11-17-2016, 07:58 PM)RussWhite Wrote: I carry a pancake compressor that shuts off at 150psig. I need 125 in the steer tires.

I was looking at air compressors tonight and I was not sure what it took to air the tires, most seemed to have a max psi usually around 135, and then xxx cfm @ 90 psi. With such large tires does the tank size and cfm matter?

You can connect your electric compressor to your coach system, it will take a while to build whole system up to 135-150 psi, but then you will have enough volume to fill at least one tire before compressor drops below 125 psi and you refill system again. A "t" from compressor to coach fill in rear compartment to hose will allow you to do this.

RE: Backup air compressor on coach - ccjohnson - 11-17-2016

You could get an air doubler and use a lower psi compressor.

RE: Backup air compressor on coach - Richard - 11-18-2016

There are a few pancake style compressors that go to 150 max. If you go that route, then make sure you get a 150 max. Very little air is required to top off a tire, so cfm is not the issue.

As Clint said, most of us have a doubler, supplied by Newell. It takes the coach air, and essentially doubles it. The principle is simple, it's a reciprocating piston design. One the coach air side, the piston has twice the surface area of the outlet side. As the piston moves back and forth, it can double the air pressure.

Here is a pic of one. http://www.alliedelec.com/smc-corporation-nvba1110-t02gn/70070558/

I would check with them first to see their pricing.

RE: Backup air compressor on coach - ccjohnson - 11-18-2016

I got ours on e-bay at a very substantial savings.

RE: Backup air compressor on coach - folivier - 11-18-2016

I would be cautious about building my entire coach system that high. I think most of the systems are designed to operate at a lower pressure and that could cause damage.

RE: Backup air compressor on coach - folivier - 11-18-2016

A quick search on ebay for SMC NVBA1110-T02GN (thanks to Richard for the number) shows prices range from $130 direct from Chine to $200 in Texas and on up, and up.
All you would need are quick connects and a short whip hose, gauge is optional. These really do work great. When we were traveling I could have sold mine many times for double the price when someone would walk over.

RE: Backup air compressor on coach - Chester Stone - 11-18-2016

Mike, I would be surprised if your 2000 year coach does not have the "doubler" that Richard describes. Loon in the area of your engine fuel filter.