Al Downs Posted December 16, 2019 Report Share Posted December 16, 2019 Getting sick of freezing in our planes. We have 4 CTLS's and no heat in any. I have done all the sealing and lining up of heater parts that can be done. The heater simply does not work. I tried small fans on the duct to try bring in some heat. It just doesn't produce any heat. Has anyone tried a small 12 volt heater? How long would one last on a battery? Thinking of putting a battery in a bag and running a heater off of that. Could something like this last 1.5 hours? I don't think it would be wise to connect to ship battery so a portable battery would be used. Quote Link to comment Share on other sites More sharing options...
Tip Posted December 16, 2019 Report Share Posted December 16, 2019 I’ve wonder if a person could use the hot water from the cooling system to supply a heater core from a Side by Side UTV? Quote Link to comment Share on other sites More sharing options...
Al Downs Posted December 16, 2019 Author Report Share Posted December 16, 2019 There is no doubt that will work. I have a gyroplane with that type of heat and it gets so hot you can't keep it on. The problem is I contacted Flight Design and they won't give an MRA to do it. I use them for training so I can't take them to experimental. If I could I would install a system immediately. My only option is something portable. Quote Link to comment Share on other sites More sharing options...
Brian Posted December 16, 2019 Report Share Posted December 16, 2019 There is a heater already available for Rotax engines that does use the coolant for heat. I have one in my World Aircraft "Vision." It works quite well. It has a fan behind a radiator in the cockpit and really puts out the heat. Quote Link to comment Share on other sites More sharing options...
Al Downs Posted December 16, 2019 Author Report Share Posted December 16, 2019 Can you provide a link to it? Thanks Quote Link to comment Share on other sites More sharing options...
Brian Posted December 17, 2019 Report Share Posted December 17, 2019 I've been searching online and haven't been able to find a current link. It was years ago that I saw the cabin heater that uses coolant in a Aircraft Spruce catalog. When I bought the WAC Vision I asked for it to be installed. They did so and still currently advertise it as available. The paper work on the plane doesn't list it separately so I don't have a manufacturers name. Sorry that's the best I can do at the moment without getting to the airport and trying to crawl under the panel. Quote Link to comment Share on other sites More sharing options...
Al Downs Posted December 17, 2019 Author Report Share Posted December 17, 2019 I think I know which one it is and if I am correct Flight Design won't approve. Quote Link to comment Share on other sites More sharing options...
BravoFoxtrot Posted December 17, 2019 Report Share Posted December 17, 2019 Don't know if this will work for your situation, but I have seen where some local flyers will wrap door springs around the exhaust pipe (muffler in the Rotax). This increases the amount of surface area in contact with both the heat source and the air flowing by it. Standard disclaimer - try at your own risk. Quote Link to comment Share on other sites More sharing options...
BravoFoxtrot Posted December 17, 2019 Report Share Posted December 17, 2019 Here is an article with a different approach: www.zenith.aero/forum/topics/heatshield-products-heatshield-armor-exhaust-insulation He insulated his muffler to keep heat inside. On a Jab 3300, but looks similar to the Rotax muffler. Although he did not insulate his header pipes, I would think that might help you if you haven't already done so. Quote Link to comment Share on other sites More sharing options...
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