Just washed a Warrior this a.m. and it took just under 2 hours. You might need some white spirit or equivalent for the exhaust residue under the a/c. If you're operating off a grass strip use a separate sponge from the "topsides" to avoid spreading the grit that will be stuck in the mud that's thrown up by the wheels. Finish off the windows with Plexus and you'll have a nice tidy a/c. Oh and don't forget a flask of coffee, it was b....y cold this morning.