Guys and gals (still not sure if any women have discovered our hiding place yet?)
I am sure that this is an old question, but when did the carb heat direction of operation change on the L-4 and what models did it affect?
According to the the POM's, on L-4A/B/H aircraft, you push (forward) for hot and pull (aft) for cold air. My L-4B control is marked in such a manner, but on the J model it is opposite to this, push (forward) for cold and pull (rear) for hot air.
I understand the though behind this change, i.e., when in normal flight all controls are forward - The throttle (power) forward, fuel (on) forward, carb heat (cold) forward.
So when did it change (post war?) and did it affect the late L-4L models, as I have a friend that says he flew an "L" model which had the same backwards carb heat control movement as the "J"
Joe
I am sure that this is an old question, but when did the carb heat direction of operation change on the L-4 and what models did it affect?
According to the the POM's, on L-4A/B/H aircraft, you push (forward) for hot and pull (aft) for cold air. My L-4B control is marked in such a manner, but on the J model it is opposite to this, push (forward) for cold and pull (rear) for hot air.
I understand the though behind this change, i.e., when in normal flight all controls are forward - The throttle (power) forward, fuel (on) forward, carb heat (cold) forward.
So when did it change (post war?) and did it affect the late L-4L models, as I have a friend that says he flew an "L" model which had the same backwards carb heat control movement as the "J"
Joe
