Hi Mark Am I to understand that you plan to go without a carb heat cable and allow full automatic operation operated by ram pressure alone??
Gav . Carb heat > valve and ram air valve are both cable actuated, but next time I'll make the > carb heat a weighted affair, so when ram air is on, carb heat will be off > because the ram pressure and a little more weight will force it closed (it's > on sintered bearings and flops around nicely), and when ram air is off, carb > heat will automatically be on because the engine is sucking on it. I think > it would work that way now, if I didn't have a cable connected to it, but I > could tweak the design to make sure it worked as expected. I get smarter > after I build something that's almost right! >