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Tiny Finey III - Scratch Build Depron

Old 01-23-2009, 07:07 AM
  #1  
Fangar
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Default Tiny Finey III - Scratch Build Depron

Hey all,

Been pretty busy lately with the new house... I have been flying, but not much building lately. I had some spare parts around so I set out to scratch build the perfect little park flyer. I wanted something super easy to make, lightweight so I could go 2s, and use a small motor. This is what I came up with.

One of the many goofy nicknames I have for my little boy (Braden age 6) is Finus... Long story on how I came up with that one... Anyway, the plane is named the Tiny Finey with his crazy boy mug on it.

6mm Depron for the whole build.
3/16" Aircraft Ply Motor Mount
1/4" balsa Verticle Stab Support
Clear packing tape for leading edge of wing and bottom edge of fuse (To Keep the grass stains out of the depron).


EDIT:

I just finished making up some up some scale .pdf plans for this little plane. Took me quite bit of work, but I think they are complete. I am hoping to sell them for $4.00 a set if anyone is interested.

I made some screen shots of some of the plans. These are only a sample. All of the Depron parts are scaled in the plans and ready to be cut out.

http://www.flightography.com/plansforsale.html

Cheers,

Fangar

Wingspan: 28"
Length: 20"
AUW: 7 ounces
Motor: C2226 / 25 1450KV Brushless
Prop: 8x6 Slowfly
ESC: Towerpro 12 Amp
Battery: 2s 710 mAh LIPO
Servos: Hi-Tec HS-55 (x2)
Receiver: Hi-Tec 05s

I have built a lot of planes. For some reason, I really like this little one. It is so fun and will slow down really nicely.

[media]http://www.youtube.com/watch?v=je5wiYJh6q0[/media]Thanks for looking.

James
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Last edited by Fangar; 01-26-2009 at 06:05 PM. Reason: Video Link Issues...
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Old 01-23-2009, 07:26 AM
  #2  
CHELLIE
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Nice plane and video Fanger keep up the great work, Chellie
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Old 01-23-2009, 09:07 AM
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Fangar
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Originally Posted by CHELLIE View Post
Nice plane and video Fanger keep up the great work, Chellie
Thanks Chellie. I appreciate you checking it out!

James
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Old 01-23-2009, 04:28 PM
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rcflyair
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I dig it, esp. the climb then glide thing - I enjoy doing that too...

When do we get to see the kid fly it?
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Old 01-23-2009, 04:36 PM
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Originally Posted by rcflyair View Post
I dig it, esp. the climb then glide thing - I enjoy doing that too...

When do we get to see the kid fly it?
Thanks. My son takes the right stick from time to time, but he is still a little to wild for a full flight. Takes some kids longer I guess. He has an Airhogs that he does real well with. He is used to flying in Reaflight g3 where he can blow things up and then fix them with a re-set.

[media]http://www.youtube.com/watch?v=zNamOBPD4Kw[/media]

Cheers,

James
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Old 01-23-2009, 04:54 PM
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dekan
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James, that looks really good. It should work just as well in Epp with a bit of carbon or bamboo in the right places.
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Old 01-23-2009, 05:51 PM
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pburt1975
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Originally Posted by Fangar View Post
Can anyone recall the name of this type of airfoil. Been using them for years, just can't recall what it is called.
It looks like a Kline-Fogleman airfoil (or KFm airfoil). I thought there was a rule of thumb that it be 1/3 the chord length? dunno, looks like yours works very well too. must be a big thumb that rule is on huh?

Great Job fanger. dropping and baby powder bombs with this one?
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Old 01-23-2009, 06:37 PM
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Fangar
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Originally Posted by pburt1975 View Post
It looks like a Kline-Fogleman airfoil (or KFm airfoil). I thought there was a rule of thumb that it be 1/3 the chord length? dunno, looks like yours works very well too. must be a big thumb that rule is on huh?

Great Job fanger. dropping and baby powder bombs with this one?
Thanks. I think the Kline Fogleman airfoil was actually on the bottom of the wing, but you are likely right about the 1/3 of the Chord length. Seems to work ok on this one. It adds rigidity and also seems to increase lift dramatically.

No powder bombs from this one...

Cheers,

Fangar
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Old 01-23-2009, 06:38 PM
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Originally Posted by dekan View Post
James, that looks really good. It should work just as well in Epp with a bit of carbon or bamboo in the right places.
Thanks David. I am sure that EPP would work well too.

Cheers.

James
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Old 01-23-2009, 07:43 PM
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Originally Posted by Fangar View Post
Thanks. I think the Kline Fogleman airfoil was actually on the bottom of the wing, but you are likely right about the 1/3 of the Chord length. Seems to work ok on this one. It adds rigidity and also seems to increase lift dramatically.

No powder bombs from this one...

Cheers,

Fangar

You can put the KFm on top or the bottom or both to get that symmetrical airfoil effect from it. Real nice way to make it stronger without making it heavier!
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Old 01-23-2009, 07:51 PM
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Originally Posted by pburt1975 View Post
You can put the KFm on top or the bottom or both to get that symmetrical airfoil effect from it. Real nice way to make it stronger without making it heavier!
Good point!

James
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Old 01-24-2009, 04:44 PM
  #12  
Fangar
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Default Plans for sale

Hello all. I just finished making up some up some scale .pdf plans for this little plane. Took me quite bit of work, but I think they are complete. I am hoping to sell them for $4.00 a set if anyone is interested.

http://www.flightography.com/plansforsale.html

Cheers,

Fangar

Last edited by Fangar; 01-26-2009 at 06:03 PM.
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