> I have been hearing all along that the heater is not a powerhouse but this
> doesn't seem like it will do a whole lot of anything at all. I
> would like it
> to demist my windscreen I guess.
> -Is that just the way it is?
Might be worth having the motor apart, to see how the brushes and commutator
look. Also your battery charger may not be putting out a solid 12v ... it
_might_ work better on a real battery.
Many years ago I re-wound the armature of my heater motor, using fewer
strands of heavier gauge wire ... the result was an appreciable increase in
air movement. But you can't do a whole lot, at some point the fan just
spins uselessly without moving any more air (or maybe even less). I never
did arrive at anything that would effectively clear the windscreen, except
Rain-X and a rag.
Several people have written of heater upgrade for the TR2-3 ... the Spitfire
heater looks like a good conversion to me. There was also a series of
articles published in TRSC's "Tech Talk" about using a heater unit from JCW
... but I don't know if it's still available.
> -If so, why have a rheostat to slow it down? (Maybe this is a similar
> question to "why is there a dimmer for the dashboard lights?")
Not to mention why the adjustable steering wheel adjusts from "closer than
non-adjustable" to "closer than that".
Randall
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