View Poll Results: Your opinion on the design?

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7. You may not vote on this poll

  • Crap! He just reinvented the wheel...

    0 0%

  • OK design... but will it ever work?

    0 0%

  • I might try that myself one day!

    0 0%

  • Good! Simple yet effective.

    3 42.86%

  • Unbelievable! It's like this guy just invented the wheel!

    4 57.14%
Results 1 to 9 of 9
  1. 01-03-2007, 12:12 PM #1
    Hans Krohn
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    B737 Engine Start Switch with Solenoid

    Hi guys,

    I was productive over the holidays and created this switch. Easy to build, cheap, and it works like a charm!

    Details are on my site www.hanskrohn.com

    Best regards,
    Hans
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  2. 01-03-2007, 12:43 PM #2
    Trevor Hale
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    Fantastic.

    Man, Thats incredible. Do you think you could lend me your brain for about a week. I really could use a second one to solve a couple problems.

    One thing I have learned by watching you, is some of us build prototypes that aren't that strong, just to get something that works. then we attempt to build it stronger.

    Everything you build seems to be like it just came off the manufacturing line.

    For me, I would have emailed Jonathan Richardson and asked him where he purchased his switches, I am sure he purchased them instead of building them. On behalf of all of us I am sure. Great Job!

    Trev
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  3. 01-04-2007, 02:22 PM #3
    Olympic260
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    Trevor,

    I have asked Jonathn regarding his solinoid switches, He told me that they are from real aircrafts

    "Real a/c switches - about 400USD each on the secondhand market. "

    Hans Great job


    Chris
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  4. 01-05-2007, 11:48 AM #4
    Trevor Hale
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    Chris,

    Thanks for that info. Wow.. Thats Pricy, Well then I guess thats why he decided to build them

    Fantastic Job.

    Trev
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  5. 01-06-2007, 04:31 AM #5
    Hans Krohn
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    Video available

    Hi Trev,

    you are right. I can think of better ways to spend 400 bucks. On the other hand, I just like to build stuff - gives me more satisfaction than just buying the final product...

    I put a video of the switch in action on my website. Enjoy!

    Regards,
    Hans

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  6. 01-06-2007, 10:04 AM #6
    Matt Olieman
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    Hans, how about sticking a link to the video here.... please?
    Last edited by Matt Olieman; 01-06-2007 at 12:48 PM. Reason: grammar
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  7. 01-06-2007, 12:37 PM #7
    Bob Reed
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    Hi Matt. I don't think he has the video posted just yet , but as soon as he does I will get him to post the link!
    Bob Reed
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  8. 01-06-2007, 01:04 PM #8
    Hans Krohn
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    Video

    Quote Originally Posted by Bob Reed View Post
    Hi Matt. I don't think he has the video posted just yet , but as soon as he does I will get him to post the link!
    Hi Bob,

    the video is on my site. Just scroll down to the bottom of the Engine Switch page!

    Anyway, here is the link: http://www.hanskrohn.com/BuildingTip.../EngSwitch.wmv


    All the best,
    Hans
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  9. 01-06-2007, 01:20 PM #9
    Matt Olieman
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    Excellent Hans.... "CLICK" enough to wake you up Thank you.
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