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3DMON's Speedy ***Now 120mph***

Discussion in 'Single Wing Aircraft Plans' started by 3DMON, Jun 26, 2009.

  1. kram242

    kram242 Administrator Staff Member

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    Shaun can you post the wing meeting the fuse section that you mentioned in the podcast for supersonic jets? I am curious about it.
    Thanks
    Mark
     
  2. rjarois

    rjarois Moderator Staff Member

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    Shaun, way to go man....get that new fuse with that spinner done and win that thing!! your so close....peace, randy.
     
  3. 3DMON

    3DMON Moderator Staff Member

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    Here ya go.
    http://www.aerospaceweb.org/question/aerodynamics/q0104.shtml
    It's an interesting article, and something I am still baffled that it works.
    It's funny because in the Crashcast back a few weeks ago, Crash and Dorsal were talking about the Speedy and Dorsal brought this same thing up. Little did he know I had already planned on doing this. I'm pretty sure the principle should work for our models. Drag is drag no matter what scale.
     
  4. 3DMON

    3DMON Moderator Staff Member

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    By the way here is my latest video of the Speedy going 138.8 mph.
    The new design should smoke this one.
    [vimeo]http://www.vimeo.com/6673157[/vimeo]
     
  5. tvcasualty

    tvcasualty New Member

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    blink blink Wow!
     
  6. HSV_Freak

    HSV_Freak Member

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    I love fast, when it will fly i crashes in 2 Seconds lol.

    Looks very nice i love it.

    The sound from the Motor it was great.
     
  7. kram242

    kram242 Administrator Staff Member

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    Shaun, where are you at with the new design? you were so close with this one that I think with the new design you will blow the record away brother!! :D
    Mark
     
  8. 3DMON

    3DMON Moderator Staff Member

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    Yeah I thought I was gonna have the new design done by now. Sometimes I take breaks from projects and get back to them. See there are these really great people who brought this really cool machine into my life and now I just keep brainstorming and creating more and more things from my ideas :D .

    Here is a pic of how far along I am. It's really close.
    Attached files [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] tyle="max-width:300px" /> [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG]
     
  9. kram242

    kram242 Administrator Staff Member

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    Shaun, you are so close! have you test flown this one yet?
    Mark
     
  10. 3DMON

    3DMON Moderator Staff Member

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    Not yet. These pushes are nice though because I need to finish it. :roll:
     
  11. tvcasualty

    tvcasualty New Member

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    Shawn I'm gonna build a racer over the winter.
    I joined a field that flies primary gas and I want to show what electrics can do.
    I don't think I'm going to do this for the contest, but I'm thinking a WWII classic painted in racer colors, with a similar setup as yours. Maybe a thunderbolt or FW190?

    So far I've got a 60A ESC and BEC
    2 sets of 4S A123 setups (1100 & 2300amh)

    I gather I'll need a 3000Kv motor?
    What size prop are you running?
    (I may end up w/ one of your Speedys (or speedy II) as well here.
     
  12. 3DMON

    3DMON Moderator Staff Member

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    Cool Erik.
    When I was running the 3000kv motor on a 3s lipo I had a 4.5 x 4.5 prop on it going 91 mph.
    When I went to the 4s lipo I put a 4.1 x 4.1 prop on it to get 120mph.
    Looking forward to see what you build.
     
  13. tvcasualty

    tvcasualty New Member

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  14. 3DMON

    3DMON Moderator Staff Member

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    That's looks like a good motor for going fast but it would be to big for the speedy.
     
  15. 3DMON

    3DMON Moderator Staff Member

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    Thanks for that little nudge this morning Mark.
    I decided to finish this to hopefully fly tomorrow.
    The yellow is not gonna be the final color it was the only base coat plastic paint I had left. I think I'm gonna go back to the florescent orange so I can see it good.
    Here are a few pics of where I'm at now.

    Before base coat

    Base coat drying as I type.
    Attached files [​IMG] [​IMG]
     
  16. kram242

    kram242 Administrator Staff Member

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    Oh yeah baby, your on to it now Shaun! this one is going to scream!! You have winner here.. :mrgreen:
    Please keep us posted
    Mark
     
  17. 3DMON

    3DMON Moderator Staff Member

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    Finally finished painting.
    I originally wanted to do a better paint job, but now I just want to get it flying.
    I sure hope this one puts me over the top. Attached files [​IMG]
     
  18. kram242

    kram242 Administrator Staff Member

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    Shaun that look fantastic! way to go brother you have nailed it this time for sure..
    Mark
     
  19. rjarois

    rjarois Moderator Staff Member

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    shaun, looks good man...hey what dia spinner is that??
     
  20. 3DMON

    3DMON Moderator Staff Member

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    Thanks guys!
    Randy it's 1 3/4" diameter. I'm realizing now that not as much prop is biting so I might have to go up a little in prop size. I have multiple props balanced and ready to go. I'm about to head out now to get the maiden flight in.
     
  21. rjarois

    rjarois Moderator Staff Member

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    good luck on the maiden shaun...randy.
     
  22. firetrappe

    firetrappe Member

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    If that flys as fast as it looks then I think the record's in the bag Shaun :cool: .

    Good luck with the maiden dude, fingers crossed that you can hit that magic 140mph mark.

    Si.
     
  23. HSV_Freak

    HSV_Freak Member

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    What the f..k, what i nice flyer. He looks very good your new version.

    Nice Job Shaun
     
  24. 66tbird

    66tbird Moderator Staff Member

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    Sweeeeeet and clean. Fingers crossed. I'm confident it will do it if the battery is there. I'll guess 148-155 using a 4pitch on 4C 4000kv. Which btw is 200 unload ;)
     
  25. 3DMON

    3DMON Moderator Staff Member

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    Well guys the ole thinker wasn't working right today. :mrgreen:
    I had a brain fart and reversed the aileron :roll: DOH.
    It took off really nice and started to roll, I tried to correct it but it just rolled inverted and nosed right into the ground. Total bummer but hey I got a pp to cut another out. :D
    This build was a pain but from all your guys remarks I really want to get this one done and into the air to beat that record. I think I'm gonna make a couple tweaks to help it go together a little easier this time. Attached files [​IMG]
     

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