Originally Posted By: TallPaul
How'd they defrost the old air cooled VW Beetles? As I recall you never did get much heat in those things.
If conditions were bad, use a scraper on both sides of the windshield. On the plus side, the windshields were flat (except the Super Beetle). From the defroster, it was a long way to the heater box, and as I recall it was just the engine cooling fan pushing the air through the heating system. They did get warm after you drove them for a while. My wife had a couple VWs before we got married, "Fritz" and "Ralph", yeah, she named 'em. You did have to bundle-up for a drive in the old VW on a cold winter's day! Ah, memories.
I did try one of those little heater-blowers in a Corvair many, many years ago (same problem as the VW). As was previously mentioned, 200 some watts is no match against a cold winter morning. The cold winter morning winter wins. It didn't do much.
It does make me appreciate how much thermal energy comes out of a typical car heater, though.
Sorry I don't have more advice for the OP, but the trip down memory lane was nice, thanks.