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  1. cyclops2

    HX coolant too fast to cool?

    This question was raised with EARLY Ford V8 passenger cars. Stated. "If you remove the thermostat in the engine, the system WILL overheat." As I was 15 at the time I remembered the statement well. Did the Fords have radiators & fanblades maxed out?? Cocktail engineering of the overheating was...
  2. cyclops2

    Solar, tube in tube collector.

    I was getting very leery about solar hot water replacing a electric 4 stage furnace. I will not beat the " dead horse " any longer. Many thanks for the constructive past experience with how solar claims come about. I have a back up plan ( maybe ? } for myself & some social friends. Water to...
  3. cyclops2

    Scroll compressor manufacturers.

    Which companies manufacture the most efficient ones in the 1.5 to 3 ton range for a GSHP. Is there a best guess on a overall C O P when used in a dedicated, heat only mode, & capillary tube / metered orifice ? This is needed due to very frequent power outages. Present metered orifice units have...
  4. cyclops2

    Solar, tube in tube collector.

    Thank you everyone. The 1970 house is now at R 44 ceiling & R 22 basement. R 12? in the walls. Total electric. AC ducts hand fitted with 1" Dow Styrofoam & all seams taped. All trim work sealed everywhere. All ceiling, outlet & switch plates sealed with blue closed cell foam gaskets. So far this...
  5. cyclops2

    Solar, tube in tube collector.

    Of course. I finally found the correct terminology of " evacuated tube collectors " & the " Combined Gas Law calculator ". I am now learning to calculate my sizing needs. Thank you. Rich
  6. cyclops2

    Solar, tube in tube collector.

    As I am electronic drives designer I need a lot of help. Seat of the pants and past experience responses are close enough. Using a 3/4" o.d. copper tube with circulating 50/50 % antifreeze solution, centered in a 2" to 4" o.d. glass tube. How many feet would be required to generate the...

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