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-   -   Micro Yak18" is Born (https://www.wattflyer.com/forums/showthread.php?t=52437)

tallflyer 12-17-2009 09:43 PM

Micro Yak18" is Born
8 Attachment(s)
After building and flying the mini yak from www.2dogrc.com I was hooked on building a small full 3mm epp yak style plane.

I took a bunch of pictures of the yak from 2dogrc and draged them into google sketchup.

After some trial and error here is what I came up with.

I call it the Microyak18"

I will post a complete parts list later.

The plane came in a only 1.3oz AUW with the battery pack
I used hot glue to bulid all the foam parts, and some foam safe CA to attach the carbon.

I think I can even save a little more weight if I cut the parts out different as i built the prototype in sections and use a little more glue as I was testing different methods.

The plane is small enough that you could cut the whole wing and middle section as one piece.

I built it using 1.3mm and some 1mm carbon braces and one piece of 3mm x 000.1 flat for the wing spar.


smokejohnson 12-17-2009 11:59 PM

Looks good Robert, I can't wait to build one :D.

lextek 12-18-2009 05:23 AM

Very, cool

hankg 12-19-2009 01:52 AM


You never cease to amaze me with your airplanes!



tallflyer 12-21-2009 05:17 PM

Ok the basic plans will be up tonight! PDF that is I will offer to cut kits the first of the year for about $25.00 + Shipping so stay tunned for that.

tallflyer 12-22-2009 07:52 AM

Basic PDF Plans
1 Attachment(s)
Here are the Plans for My 18" Microyak18"

they were created with google sketchup and cutepdf.

dsmmike 12-22-2009 08:45 AM

pretty sweet i want a small foamy. Hows it handle a small breeze? do you have it in a pdf that is the full plan not tiled? and whats the set up? sorry for so many questions

tallflyer 12-22-2009 08:55 AM

Parts list
Here is a complete parts list of whats on the plane

1 x GS 3G Motor And ESC Combo $59.00

This micro motor is the updated motor for the Raptor GS plane. The motor weighs a mere 3.1 grams with the wires. These also come with a 7A ESC presoldered to it which adds 2.5g of weight!

These motors were hand picked for this project and provide the best power for the small weight. We recommend a 2 cell 110 mAh battery to run with this. The receiver comes with a micro JST connector.

1 x EP5030 HD Propeller $1.20 each

1 x 7.4V 100 mAh 15C Li-Poly Battery $14.00

3 x Blue Arrow 2.5 gr Micro Servo, JST servos cost $14 each

* Torque: 2.78oz
* Speed: 0.13 sec/60
* Plug: JST/1.25mm
* Wire Length: 80mm(3.15in)/11x0.08/OD0.6
* Weight: 3.21g(0.11oz) including wire,and screw
* Size: 19.6mmx8.5mmx21.9mm (0.77inx0.33inx0.86in)

AR6300 DSM2 Nanolite 6-Channel Receiver

When it comes to lightweight 3D foamies and indoor slow flyers, every ounce you can eliminate means better performance and longer flight times. Weighing in at a scant 2 grams, Spektrums AR6300 with 2.4GHz DSM2 technology is the perfect receiver for these types of applications. $49.99

dsmmike 01-04-2010 12:08 AM

do you still plan on cutting and selling these?

tallflyer 01-04-2010 12:21 AM

I will offer to cut basic kits in about 2 weeks just have to finish some other projects

cliffh 04-16-2010 09:28 PM

I finished my build from 3mm epp foam and got the maiden done. My plane flies great, but does not have enough power to hover.

I used a 3 gram motor from Hobby City.

Maybe I'll try a 5 gram motor for a little more power.

At any rate, the plane does really fly nicely and is just a blast.

Very easy build, but a challenge to keep weight down.


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