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DA250 4 stroke

Discussion in 'Desert Aircraft' started by Snapasaurus, Oct 7, 2014.

   
  1. orthobird

    orthobird 150cc

    WOW!! that motor sounds cool.  is that a Valach?
     
  2. yep it is[​IMG]
     
  3. stangflyer

    stangflyer I like 'em "BIG"!

    Ahhhh...... now I can have sweet dreams. Wouldn't it be cool to have like..oh I dunno.... ten or eleven of these all up and running in air frames? hee hee
     
  4. DATech

    DATech GSN Sponsor Tier 1

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    The DA250F is performing well. It's actually exceeded our expectations. It's one of several engine development projects we have in the works and has been forced to the "back burner" several times while we work on some of the other projects. The basic design is set and were now focusing on tolerances and overall refinement. As an example, we are currently testing a variety of piston to cylinder tolerances. Lots of testing has been done and we have a lot more ahead. No release dates yet.
     
  5. stangflyer

    stangflyer I like 'em "BIG"!

    Well come on man.... Don't ya know there are guys standing in the cold waiting for this motor? Seriously, I would love some info. on expected prop sizes and rpm numbers. I loved my Big Jug Saito's when I was flying glow. Would love a big ole' DA four stroker.[​IMG]
     
  6. Just go ahead and make it a radial.  You know you want to!
     
  7. Bartman

    Bartman Defender of the Noob!

    isn't a two cylinder technically a radial?  [​IMG]
     
  8. Bartman

    Bartman Defender of the Noob!

    are you able to say what the fuel efficiency gain is over a similar displacement 2 stroke?
     
  9. DATech

    DATech GSN Sponsor Tier 1

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    So far, fuel consumption is about the same as the DA170, while producing significantly more power.
     
  10. stangflyer

    stangflyer I like 'em "BIG"!

    Let's see now.... 250cc vs. 170cc., four stroke sound,  gargantuan bottom end torque.... I want one!!![​IMG]
     
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