I really don't do anything except cover the planes and wait for a much more hospitable climate to return. Course, I really don't have to worry much about them suffering the down time. My Sukhoi and Baby take their places next to each other under a huge king sized sheet. A few feet away from them, the Behemoth Yak (2), Pilot Edge and Baby Yak-ster all reside on their noses in the living room where they can watch plenty of reruns of "The Big Valley" and "Gunsmoke" all winter long. The Jtec Pitts, Cessna and the Gaserized trainer all stay in the plane room with all the other rc goodies. I try to keep my house around 62-65 degrees so no harsh environments for them to hinder their slumber. In the Spring, I will remove all the spark plugs and check them for proper fuel burn, replace as needed depending on the usage from the previous season. This is why I like keeping a record of all flights, repairs, battery cycles and adjustments. It is much easier to know just how much usage each setup has had on it. I will double check all fuel lines and clunks. Anything questionable will be addressed. Course this next spring will be a very easy "pre-inpection" to do. The Sukhoi and Baby will be the only two that will get new plugs. The Sukhoi will probably be the only one to get fresh fuel line from the tank clunk to the carb. As all the others have either just been completed or have very few flights on them since being assembled or inspected. Baby had all her fuel lines replaced earlier this year and so she is good to go. (Love non-ethanol fuel). Usually in the spring I will find something that needs attention, but that is why we do our pre-season inspection. From there, it will be a simple fill and flip for each plane. I like to start each plane and run the engine for five minutes. The only engine I have ever had that gave me a close to sore arm in the spring was my DLE 55's. It seems they take a bit more coaxing to get going, but once they are reacquainted with the 40:1 Redline mix, they have all run great. All others usually take about 4-6 choked flips and two non choked and humming right along. In about 12 days, the new 330 will venture in to visit the living room where she will promptly start losing her original Pilot RC garb for a newer and updated more appropriate (for me) flashy outfit before her debut on the flight line. Sometime over the next couple of weeks, I am going to replace the canopy on the Behemoth Yak.
. One is that the bottom cowl bolts are very hard to get to with a standard hex driver and the other is the choke lever is hard to put a finger on because of where the ballast weight is. Tonight in the shop I fabricated some specialty wrenches to relieve such attributes 
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