Subject: Water pump castings
From: Rotary Engine
Date: 8/9/2007, 4:35 AM
To: AARotary Engine



    >> Thanks Jarrett,
    >> Now I can't wait to machine them up! I will load test one, and them
    >> destructively fail test it to see what it's ultimate strength
   is. If all
    >> look good, we will build production tooling.
    >> Next casting will be an aluminum water pump housing that is lower
    >> profile,
    >> and will mount dual 55 amp alternators. The entire set up will
   provide
    >> the
    >> security of dual alternators and weigh less than the stock cast
   iron
    >> part.
    >> Larry
    >>
    >> Move it down low Larry as that is one of the problems with the stock
    >> pump. When the water gets low in the block it starts to cavitate
   and it
    >> destroys
    >> the pump housing. Kind of dumb for Mazda to put it up so high.
   Probably
    >> an out growth of the old engine driven rad fan.
    >>
    >> The RX8 and 3rd gen pump are much lighter than the old cast
    >> iron cartridge version.
    >>
    >> We built some remote pumps for the second gen pump cartridge.
   Did not
    >> sell
    >> all that well. People won't spend money unless they are forced :)
    >>
    >> --
    >> Paul Lamar ...No rotor no motor.
    >>
    >> Depending on if it fits the 3rd gen, and uses it's pump
   cartridge, I will
    >> order it.......several versions will have to be made (I also
   have a 20B)
    >> Take a look at the Meziere electric water pump layout necking
    >> http://www.meziere.com/index.php?pgName=wp90 . And if you really
   want to
    >> get
    >> fancy, check out the combined back up alternator on the pump sold by
    >> Racemate.... http://www.racemate.com/
    >>
    >> Marc Wiese
    >>
    >> Marc,
    >> Last I checked, the racemate was one pricy part...... the new
   design will
    >> use a water pump cartridge made for endurance racing or one of
   the ford
    >> cartridge pumps. It makes them very easy to set up and have no
   paper
    >> gaskets
    >> as they are sealed with an O-ring. They are also very efficient on
    >> pumping
    >> water with minimum hp used. Currently we are setting it up to
   use 2 each
    >> mini 45 amp alternators that only weigh 5.6 lbs each. Made by denso.
    >> Larry
    >
    > Larry,
    > Sounds great, put me on your list.....I need a few.
    > Marc Wiese
    >

   Put me on the list. I have three engines in progress, two for customers.

   Doc Custer
   Retired Software Engineer and sometime Audiologist

Paul / Larry

I want in on this one too. My name is also on the list for the bellhousing.

--
Erik Snyman
Messina
South Africa.



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