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Despite numerous impediments, I decided that I will conquer the 1/144 scale issues. I bought a Dynamic 1.25 inch SD from Caswell to install in a Revell Type XXI kit. I am not happy with the idea of dynamic operation, so I bought 8 ft of Lexan 1.25 inch pipe with the intent to modify the dynamic driver into a static driver. So far I have run into a couple of issues. The maximum SD size I can put in the Type XXI is 12 inches long. However, because of the limited area in the aft section for rudder linkage, some of that space will be taken up by a gear and belt drive system for the rudder. Therefore, I can only extend the current dynamic driver forward tube approximately 2 inches without interfering with the rudder controls. I realized that I will not have enough SD tube to divide into thirds and put a ballast tank in the way Mr M. meant it to be. Instead, I decided to create a "conformal ballast tank from brass. The tank will run the length of the forward SD tube and only be about 1/3 of the tube in height and fit within the forward section. It will serve as the floor of the forward part of the SD and as the heat sink for the battery, lipo guard and micropump. I also cannot see me putting a valve and control in the SD to release air through the top. Instead, I'm looking at fashioning a capillary tube (snorkel) to vent and collect air while on the surface, but restrict water entry when under.
I will put up pictures of my progress if I can use my wife's computer. The machine I am currently on is a Windows 2000 machine which doesn't allow me to send images. Yeah, I can hear the sounds of laughter in the background, but it still works for me!
Well here we go, my first submarine will be a 1/144 scale Type XXI (U-2513) after capture by the USA. I picked that one because it has an easy paint job and a 20 ft radio mast that will help my RC efforts.
I will put up pictures of my progress if I can use my wife's computer. The machine I am currently on is a Windows 2000 machine which doesn't allow me to send images. Yeah, I can hear the sounds of laughter in the background, but it still works for me!
Well here we go, my first submarine will be a 1/144 scale Type XXI (U-2513) after capture by the USA. I picked that one because it has an easy paint job and a 20 ft radio mast that will help my RC efforts.
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