water drop test

Discussion in 'RC General & Getting Started' started by vette_7t9, May 18, 2004.

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  1. vette_7t9

    vette_7t9 Member

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    How is it done? Is the drop of water put on the engine cooling head or in the glow plug area? And how long should the count be for the drop to evaporate/boil off? 3 seconds? 5 seconds? :S
  2. vgsrc

    vgsrc New Member

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    the area around the glow plug is where you get an accurate read. it should take the water or spit a few seconds to sizzle off. if you put water or spit and it sizzles in a second, then you are too lean. but listen to experience and go with a digital temp gauge; less hassle and more accurate. save spit and water
  3. dj6666969

    dj6666969 Active Member

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    if you dont have the money you can do the spit/water but I just do it on top of the engine head it pretty much will give the right results
  4. redheat

    redheat Member

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    Purchase a temp. gun takes all the guess work out of it .:D
  5. dj6666969

    dj6666969 Active Member

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    tru but if you dont have much money the water test works just fine. The time is about 10 seconds or so
  6. rcosmax

    rcosmax Member

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    10 seconds is a long time and may be on the rich side. the general rule is about 5 seconds for the water to evaporate but not sizzle. i have checked this against temp guns and it seems to be about right.
    hope this helps
  7. pimp

    pimp Active Member

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    what is a water drop test and how does it work
  8. redheat

    redheat Member

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    Having a 22.dollar temp. gun is cheaper than replacing an engine or a gallon of fuel. Stick with a temp. gun or borrow a friends.
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