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Feb 12, 2016, 03:26 AM
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alienw9's Avatar
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Build Log

YaShii 700mm mini dlg


Hi!

I only had a dream of building DLG as a kid. I had many failures on the road, but if you're stubborn enough you'll make it right eventually. This is my first DLG that is flying and completely built by me from "tip to toe".

This would be impossible without big help of my dear friend Yasuhiro Ueno! His help was beyond measure! Thank you again Yasu!!!

I was inspired by Mr.Yasuhiro Ueno and Mr.Mitsuru Ishii so I named glider after them, YaShii!

Control is by elevator and rudder. RTF weight is 59.4g.
Air time in still air around 50-60sec.

YaShii on slope


Video of flight in calm condition.

Google drive folder with build images and some videos.
Last edited by alienw9; Jan 06, 2019 at 02:37 PM.
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Feb 12, 2016, 06:55 AM
In F3J size does matter!
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Beautiful work
Feb 12, 2016, 09:59 AM
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alienw9's Avatar
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Thank you!
Feb 12, 2016, 10:18 AM
Wayne Wimbish
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Nice! How did you sand the airfoil?
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Feb 12, 2016, 03:55 PM
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Seems to fly really well. Nice.
Feb 12, 2016, 05:11 PM
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Quote:
Originally Posted by wdwimbish
Nice! How did you sand the airfoil?
I followed Yasu instructions on one of his posts on 600mm dlg.
- I used #100 sand paper to form rough airfoil
- First I did leading and trailing edge then top surface and last bottom camber
- Finished with #300,#600,#1200
- sprayed 2-3 thin coat of clear acrylic spray
- polished with #2000 sanding paper


Regards
Ivan
Feb 12, 2016, 05:12 PM
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Quote:
Originally Posted by jeroenkole
Seems to fly really well. Nice.
Thank you
Feb 15, 2016, 04:08 AM
Want to Fly, Have to Work
BeerBatter's Avatar
Very nice work.
I'm wondering if maybe you could go with an integrated receiver/servo board like the E-Flite to save even more weight. See link for example:
http://www.e-fliterc.com/Products/De...dID=SPMAR6400L
You can get find these linear servos separately without the integrated receiver and ESC as well.
Feb 17, 2016, 01:26 AM
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Hi,

Thanks!

I could but it is not necessary on this span, because CG is just right with this equipment, I didn't put any ballast.
On smaller span it would be necessary to put lighter gear similar you mentioned.

Regards
Apr 11, 2016, 08:36 AM
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Flight video


YaShii 700mm DLG dusk flight - やしい (2 min 7 sec)
Apr 11, 2016, 12:20 PM
Lift is where you find it.
More beautiful work Ivan- I'm impressed.

You have one final secret to reveal: how you make your pods. You told me in another thread that you use shrink tube, and I'm wondering if you would be willing to share information on the details of your process for making a pod?

Thank you
Apr 11, 2016, 10:33 PM
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Quote:
Originally Posted by 2400RDR
More beautiful work Ivan- I'm impressed.

You have one final secret to reveal: how you make your pods. You told me in another thread that you use shrink tube, and I'm wondering if you would be willing to share information on the details of your process for making a pod?

Thank you

It is not a secret at all hehhe

pls read this thread and find out..you will find even more amazing work than mine from Yasu

https://www.rcgroups.com/forums/show...d#post19643967
Apr 12, 2016, 03:39 PM
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700mm v_2


Wing is bit heavier from the first model and with different airfoil.
I tested wing on fuselage from first one, but we need to see how it will fly with this new one.
Length is 640mm, expected RTF weight is about 70g.
Wing weight ~37g
Hopefully tomorrow it will be complete and in the air if everything goes according to plan .
Apr 13, 2016, 04:52 AM
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700mm v_2


It's in the air

76g RTF weight

YaShii 700mm v2 DLG - やしい (2 min 48 sec)
Last edited by alienw9; Apr 13, 2016 at 10:38 AM.
Apr 13, 2016, 09:21 AM
Lift is where you find it.
Very nice indeed!


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