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  1. curtis74

    Propylene Glycol vs. Ethylene Glycol/water

    I'm trying to do some math, but would settle for some real-world simplicity since engines don't run on math. :) I'm trying to verify some empirical claims from a well-known coolant manufacturer that sells non-aqueous propylene glycol coolant. I'm thinking about using it in my own personal tow...
  2. curtis74

    DIY structural foam (or honeycomb) panels

    I'm engineering a new boat floor for a customer's boat. He uses the boat very heavily and he's tired of replacing the flooring every few years and wants something a bit more permanent. I've discussed some FRP panels and some monocoque honeycomb skinned panels that would do well, but the cost...
  3. curtis74

    What limits video resolution?

    I am not an electronics person by any means, I'm an automotive engineer, but I wondered what is the current limit of video resolution and why? Is it the physical size of the pixel that limits us? Are there any emerging technologies that might make it much finer in the near future? I have an...
  4. curtis74

    How much loss of energy between power plant and house?

    I'm trying to put together an intelligent argument against the use of household-charged electric vehicles based on several factors including the inefficiency with which electricity is delivered to the home. According to DOE reports, nearly 70% of the US electrical production is still coming...
  5. curtis74

    coolant formulation tech questions

    At my fab shop I deal mostly with the driveline engineering. By default I almost always just dump in a 50/50 mix of green coolant from a bulk 55-gallon barrel and ship off the car, but after recently having purchased a diesel F250 and a diesel Mercedes, things have me curious. The F250...

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