Windshield defrost and cabin heat in colder temps

[Skymarc]

Flew the Scout today, I know it was cold at -30C. Couldn’t get enough cabin heat and no defroster for the windshield it frosted over and couldn't see Anything up front.

As anyone installed a grill Or a fan on the Top of the glareshield to blow warm air up?

Is there anything that could be done to have more heat for the cabin? Im using a plate on the oil cooler only. Im sure we could block off part of the air intake in colder temps. What are everyone doing in Alaska?

 

[Bartman]

Marc,

There are lots of 12v electric fans with squeezey type mounting clamps on amazon or ebay that might work. they're usually made for cars but 12v is 12v.

Maybe something like this would help? there are a lot to choose from, some even have electric heat built in.

https://www.amazon.com/Schumacher-122-12V-Turbo-Fan/dp/B0066CP6I2/ref=sr_1_8?crid=C5L592RQBMW9&keywords=12v+fan&qid=1642296117&sprefix=12v+fan%2Caps%2C76&sr=8-8

 

[Skymarc]

Im looking at these fans but wondering if a grill would trow enough heat thats under the headliner?

 

[Bartman]

i doubt they'd throw much heat, maybe circulating the air would help a little but probably not completely fix the problem. you were right to ask for help from Alaska pilots! I'm here in NJ so I'll be waiting to see what they suggest too.

 

[Big Ed]

The front cabin heat vent is on the firewall below the glare shield. One crazy idea would be to pull the glare shield off and rig a deflector up to direct the hot air upwards. For a more lasting solution you could install a vent in the glare shield and run a scat tube up from the my firewall vent. Just spit balling, I have no experience with this. The factory is in Wisconsin so they have some experience with cold weather ops, so you might give them a call and see if they have any solutions.

 

[Tangogawd]

For windshield defrost I use the atlee dodge cub defroster, and steal heat from the rear seat heat to feed the defroster. As far as engine blocking, I use aluminum duct tape and tape off the intakes to the engine. Starting in the middle and working outboard, start covering a 1/3 or so of the opening, adjusting from there. A engine CHT will be helpful here, but oil temp will tell you too, just takes longer.