I came across this piece of equipment listed in a 1974 'a guide to Land Rover Expeditions' book:

I guess the concept did not last the test of time - it certainly looked good on paper!
You can read more here: Overland Live Blog
Ebay even has a few listed for sale! It's a good thing I drive a diesel and don't have to worry about removing spark plugs to inflate my tires...

I guess the concept did not last the test of time - it certainly looked good on paper!
You can read more here: Overland Live Blog
Ebay even has a few listed for sale! It's a good thing I drive a diesel and don't have to worry about removing spark plugs to inflate my tires...