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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
32DFT Carb Icing Issues, Heating with Coolant, Heated air Intake and other methods of Heating,
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<blockquote data-quote="ianstaley" data-source="post: 100502" data-attributes="member: 2989"><p>I orderd my carb and air cleaner from Tom yesterday, had a long talk with him about heating too. I told him I was going down the VW plenum route as being the simplest of the options. During the discussion he was insisting that I could and in all probability would get icing inside the plenum due to the nature of the beast (gasoline) and it's great properties of loosing heat while atomising into vapour. So Tom and I discussed the possibility of utilising the water pipes that would be under the plenum. </p><p></p><p>We both sort of agreed that a heat exchanger between the Carb and the plenum manifold would not work optimally and icing would /could still take place in the plenum. The idea solution we thought would be to "weld, solder" or fix in some way to the bottom of the plenum a heated area (floor of the plenum) to warm the base and walls of the plenum and in consequence "heat" the fuel that would a be in the plenum and down the delivery tubes/runners. </p><p></p><p>Now as yet I don't have my plenum, it hasn't arrived yet but I think that heating the plenum is the right way to go. Some years ago I took my Private Pilots Licence, and one thing sticks in my head (I no longer pilot a plane) but I do remember that when we ascended to a higher altitude we always had to switch on the carb heater before pulling back on the stick. Failure to do so could and often would cause the card to freeze. I know that up there is a lot different to down here, but I am not an automotive engineer, but I put this to my old man (now 91) and he agreed with Tom that some form of heat would be needed in the plenum. </p><p></p><p>So I will be looking to tap into the GL's coolant system to provide heat to the bottom of the plenum. I suspect that the plenum is flat and that a box could be fabricated with an in and out pipe and incorporated in the cooling system. :builder:</p></blockquote><p></p>
[QUOTE="ianstaley, post: 100502, member: 2989"] I orderd my carb and air cleaner from Tom yesterday, had a long talk with him about heating too. I told him I was going down the VW plenum route as being the simplest of the options. During the discussion he was insisting that I could and in all probability would get icing inside the plenum due to the nature of the beast (gasoline) and it's great properties of loosing heat while atomising into vapour. So Tom and I discussed the possibility of utilising the water pipes that would be under the plenum. We both sort of agreed that a heat exchanger between the Carb and the plenum manifold would not work optimally and icing would /could still take place in the plenum. The idea solution we thought would be to "weld, solder" or fix in some way to the bottom of the plenum a heated area (floor of the plenum) to warm the base and walls of the plenum and in consequence "heat" the fuel that would a be in the plenum and down the delivery tubes/runners. Now as yet I don't have my plenum, it hasn't arrived yet but I think that heating the plenum is the right way to go. Some years ago I took my Private Pilots Licence, and one thing sticks in my head (I no longer pilot a plane) but I do remember that when we ascended to a higher altitude we always had to switch on the carb heater before pulling back on the stick. Failure to do so could and often would cause the card to freeze. I know that up there is a lot different to down here, but I am not an automotive engineer, but I put this to my old man (now 91) and he agreed with Tom that some form of heat would be needed in the plenum. So I will be looking to tap into the GL's coolant system to provide heat to the bottom of the plenum. I suspect that the plenum is flat and that a box could be fabricated with an in and out pipe and incorporated in the cooling system. :builder: [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
32DFT Carb Icing Issues, Heating with Coolant, Heated air Intake and other methods of Heating,
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