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Flash's Sparrow

Discussion in 'Single Wing Aircraft Plans' started by Flashsolutions, May 7, 2009.

  1. Flashsolutions

    Flashsolutions Active Member

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    Here are plans for little bird I enjoy flying. It is a simple 3 channel system and is a great little no stress plane.

    Power is supplied by a HiMax 2212-1180 and a Thunderpower 1320 3 cell LIPO with 10A ESC and 7x6 prop. or something equivalent. I put Velcro on the top of the nose section to hold the battery. The 1320 size battery seems to have the right amount of weight to balance the plane just right.

    Laminate the fuse sides with 3M 77 spray adheasive. Carbon fiber optional.

    4 Bamboo Skewers serve as struts. It helps to attach them to small pieces of lite ply. Attached files [​IMG] Sparrow.skp (788.1 KB)Â
     
  2. Spadman82

    Spadman82 New Member

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    i really like this design. it is simple and like you said "stress free" :)
     
  3. rjarois

    rjarois Moderator Staff Member

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    flash, your model looks like what i call a kick back flyer....i hope you dont mind but i was kinda wantin to use the fuse design for a trainer wing i am buildin. i think it would go very well with it. also is this the model you flew with the floats on it? randy.
     
  4. Flashsolutions

    Flashsolutions Active Member

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    Feel free to use the fuse for whatever you want...

    And yes, It is indeed a kick back and relax flyer. I have put floats on it, but was a long time ago. I think the model you saw was probably the SeaBB. Its hull is the float.

    I am however working on some new floats for the yak. Was pool testing them this evening. I cut them from 2" block foam, but now I am looking at possibly making some Depron floats as the block foam is plowing too much and needs something, not sure just what.

    I can't find the plans I used before and the one set (red one) that I have has a leak in it and so I might just take measurements from it and remake the plans for cutting on PhlatPrinter. Those floats worked very well as I recall.

    I'll post them once I have tested them.

    Here are pics of the current floats I have...




    Attached files [​IMG]
     
  5. almostthere

    almostthere New Member

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    nice yak how did the build go and what motor are you using
     
  6. Flashsolutions

    Flashsolutions Active Member

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    Thought you might recognize it, it's your YAK54 with a few mods...

    Fly's very nice with standard landing gear. Have not flown it with the floats yet.

    The motor is a BP 2212-13 with a 9x3.8 APC prop and a 500mah 3 cell LIPO (49g).

    I will probably have to go with a bigger battery with the floats setup. The floats added more weight plus this one is cut from Depron and weighs more than my FFF version.

    The build went very smooth on the YAK. Kudos! Everything fit together perfectly. I made changes to the original plans of course. I can never leave anything alone! I added cutouts in the wings and rudder and changed the bit to a 1/16" bit but thats about all.

    I'm thinking that the white floats are not going to cut the mustard however. I found the plans for the red one on RCgroups after much searching and will probably convert them to CNC use and see if they work better.

    Once I get everything worked out, I will post the full set of plans.


     

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