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Yep, I have the one from Phillip on the Avionics page here. Works great! Just added $10 to the card yesterday to run me through the end of Feb. www.pilotportraits.com I think is the website.

Read my previous post. I use a plug in heater for a minimum of 8 hours. This is about blowing hot air in the LOWER cowl flap, not the oil door. The recommendation from Lycoming starts lower than what I do. Any time it is below freezing I recommend pre heat. When I need to go somewhere early and expect cold I lug a generator out to the plane the night before and plug in the Tanis. If it feels cold on the head I will also use the propane heater. Some nights when it gets below 0 the engine still feels cold even with the Tanis. To fully heat a cold (o degree) engine with hot air takes 100,000 BTU propane heat at least 30 minutes, preferably more. The point is: It never really does get cold there in California. A hair dryer is a waste of time. These type of recommendations are at best misleading. But you are right it is 1/20 the heat needed not the 1/100 I stated. With a blanket and 8 hours a hair drier could work in an emergency. I doubt a hair drier is rated for 8 hours of continuous use. Find a real solution. 15 minutes from a hair drier is not a solution. Spending too much money is not the solution either. There are ways to spend $1000 to have preheat. I bought a heater and a vent pipe reducer from Home Depot. I power it from my car battery with a small inverter. I use a 5 foot section of scat tube to run it in the lower cowl. For under $150 I have a heater that I have used for over 15 years.