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Recent content by tommurphy73

  1. tommurphy73

    WRX knock problem

    Interesting. Good to see that old fashioned diagnostic methods like the screwdriver are still valid in this electronic age. Web design company
  2. tommurphy73

    Lens design query

    Hi, Thanks for the response. Could you recommend a lens for use with an extended source and still have a short focal length to keep the overall size to a minimum. Regards Tom
  3. tommurphy73

    Lens design query

    Hello, We currently use the cay033 aspheric lens from Philips for an application. This lens works reasonably well with some limitations. In our application we are trying to holding 20 plastic optic fibers in a 5X4 grid arrangement. The image from these fibers is focused using the cay033 onto...
  4. tommurphy73

    HILSCH-RANQUE VORTEX TUBE

    Hi, I have been using google over the last few days to find some info on the HILSCH-RANQUE VORTEX TUBE. i am unable to find a good formula to calculate the cold and hot air temperature. I am interested in a variation on the usual design to supply cold air to the intake manifold on a car. Has...
  5. tommurphy73

    Cold Air intake

    Hi Steve, Nick, Thanks for the response. It looks like this is what I have been looking for. Nick, What have you been using the coolers for. I have posted this question on a many forums and this is the only one which I got an answer. Thanks Tom
  6. tommurphy73

    Cold Air intake

    This question is a bit vauge and is prompted by something which I read in a book by an automotive expert (Smokey Yunick "Best Damm Garage in town") In the book he describes an air intake which is divided into a Y with two unequal lengths. He says that the temperature or the air exiting the two...
  7. tommurphy73

    Cold Air Intake

    Hi, This question is a bit vauge and is prompted by something which I read in a book by an automotive expert (Smokey Yunick) In the book he describes an air intake which is divided into a Y with two unequal lengths. He says that the temperature or the air exiting the two outputs of the Y can be...

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