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Old Apr 05, 2012, 09:29 PM
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United States, WA, Pasco
Joined Aug 2011
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Quote:
Originally Posted by goldguy View Post
That's the one big problem with foamies, they breed like rabbits.
LOL! So true!

I'm just getting into scratchbuilts and I've already got a litter of foamies!

The 20" Nutball is my next build!
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Old Apr 06, 2012, 06:15 AM
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USA
Joined Apr 2007
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Quote:
Originally Posted by FlyingW View Post
Saw this for sale here in Ezone. Wow.
I got last one ever made. Worked with his son thats's his brother in pic. Ther dad was the pioneer in hot wire foam cuting. Oh we in detroit' One was in movie any one know of it let me know
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Last edited by space 1; Apr 06, 2012 at 06:26 AM.
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Old Apr 06, 2012, 09:06 AM
Lets break some props :D
joseico90's Avatar
United Kingdom, Liverpool
Joined Jun 2008
4,948 Posts
@danford1

@danford1

here you can see the air intake, battery slot, new prop etc.

As I held it in my hands I noticed the motor mount is a bit loose and needs attention.

Next week Lord willing I'll make a start on my next NB.

-Will probably have..

-17" diameter

-1x Blue wonder, 10" prop and 2 cell 350's

-Depron box fuselage, all gear inside as usual.

-Twin rudders

-Bottom side..small rear fins for added directional stability.(maybe)
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Old Apr 06, 2012, 10:19 AM
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United States, MI, White Lake
Joined May 2011
358 Posts
"-1x Blue wonder, 10" prop and 2 cell 350's "

What kv is that BW?
What pitch on the 10" prop ?

Seems hard to believe that tiny motor can swing a 10" prop and not burn up.
I have a BW 1300. I'm still experimenting with 2s -3s, 8" - 9" props.

Thanks for the pictures. I really like the clean look with servos , ESC and wires hidden.

Danford1
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Old Apr 06, 2012, 12:50 PM
Lets break some props :D
joseico90's Avatar
United Kingdom, Liverpool
Joined Jun 2008
4,948 Posts
Quote:
Originally Posted by danford1 View Post
"-1x Blue wonder, 10" prop and 2 cell 350's "

What kv is that BW?
What pitch on the 10" prop ?

Seems hard to believe that tiny motor can swing a 10" prop and not burn up.
I have a BW 1300. I'm still experimenting with 2s -3s, 8" - 9" props.

Thanks for the pictures. I really like the clean look with servos , ESC and wires hidden.

Danford1
-It's a 1300kv (Max Load: 7.5A)

-GWS EP Propeller 10x4.7

-Like you I've also used 8-9" props till now..but..

- On this prop I believe it should be pulling a max of 6.5 Amps, giving 11.5 ounces of thrust on two cells. 3 cells would be too much on this prop.

-This 22" is such a light floater that the battery lasts ages, in the end I land the thing out of boredness, most the time I only use one or two of my four 350's batteries when I go flying

-Yep, me too, I dislike all those bits and cables hanging out of our foamies, hence my fuselages lately.

I forgot to mention that my next Depron NB will incorporate interlocking tabs on the fuselage panels, rudder/s etc

I think it will be quicker and easier than making the fus out of pink foam and having to hollow it etc. Even the battery will be inside , with a hatch for access.
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Old Apr 06, 2012, 10:59 PM
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Grand Rapids MI.
Joined Feb 2011
404 Posts
I use a 10x4.7 on my epp yak with a similar motor (auw is just under 8 oz)and it works well on 2s but I wouldn't even consider 3s. its garenteed to fail
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Old Apr 07, 2012, 03:53 AM
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Ashford. Kent. England
Joined Feb 2005
7,018 Posts
using the same motor on 3 cells with an 8x4 prop gives 14oz thrust at around that 6A
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Old Apr 08, 2012, 11:46 AM
Lets break some props :D
joseico90's Avatar
United Kingdom, Liverpool
Joined Jun 2008
4,948 Posts
Toy Nutball for a 3 year old boy

Just made this one as a toy for our friend's 3 y/o boy. (from packaging found in a parcel, looks like EPP or similar)

He likes it bless him.
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Old Apr 08, 2012, 11:52 AM
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United States, NE, Bennington
Joined Jan 2010
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How could he not like it, looks great

Kman
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Old Apr 08, 2012, 12:16 PM
Lets break some props :D
joseico90's Avatar
United Kingdom, Liverpool
Joined Jun 2008
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thanx..so far still in one piece..hope it lasts..easy to repair anyway..there is no glue just tape and double side tape to hold the panels.
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Old Apr 08, 2012, 07:46 PM
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United States, MI, White Lake
Joined May 2011
358 Posts
Where is the CG? 25 % back or further back?

Danford1
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Old Apr 09, 2012, 04:11 AM
Lets break some props :D
joseico90's Avatar
United Kingdom, Liverpool
Joined Jun 2008
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Quote:
Originally Posted by danford1 View Post
Where is the CG? 25 % back or further back?

Danford1
Usually at 25%, then adjust to suit if required. Some of us like it a bit rearwards for hovering etc.
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Old Apr 09, 2012, 11:13 AM
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United States, MI, White Lake
Joined May 2011
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I meant on the hand toss nutball you made for the child.
Danford1
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Old Apr 09, 2012, 02:26 PM
Lets break some props :D
joseico90's Avatar
United Kingdom, Liverpool
Joined Jun 2008
4,948 Posts
Quote:
Originally Posted by danford1 View Post
I meant on the hand toss nutball you made for the child.
Danford1
Didn't bother with that yet..he's just happy playing with it.
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Old Apr 09, 2012, 03:47 PM
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Switzerland
Joined Oct 2007
230 Posts
This is my variant of the NutBall:
- 7mm Depron
- Diameter 500mm (~20")
- AUW 200g (~7oz)
- Vertical stabilizer enlarged by 20%

- TURNIGY 28-22 1400kv motor
- 28mm GWS motor mount for 10x10mm stick
- GWS DD-8040 8x4" EP propeller
- TURNIGY Plush 10A ESC
- 2S1P 750 mAh LiPo
- 2 x HXT900 1.6kg/cm servos

Thanks, @goldguy!
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Last edited by jaron; Apr 11, 2012 at 03:25 PM. Reason: Added Depron thickness
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