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« on: June 27, 2014, 10:19:01 PM »
maahinberi
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I have the following electronics:
Motor: Turnigy 2826 1400kv
ESC: Turnigy Plush 40A
Batteries:
2x Turnigy Nanotech 950mah 25-50C
2x Turnigy 2200mah 20C

I wanted to build a plane using Coroplast that could fly with the 2826 motor and carry the 2200mah battery.

So, thanks to Sanjay Rai Sir and Girish Sir, I decided to make a 90% AviSpad.

Proposed dimensions:
Wingspan:            42 inches
Chord:                 9 - 9.5 inches
Length of Fuse:     33 inches

I want to try and keep the All-Up weight of the plane (including a battery of 180g) to not more than 800g.
I have 3mm and 5mm coro. I plan to build everything using the 3mm coro, except the spar and formers for which I shall use 5mm coro.

I request experienced members to please provide tips regarding how I can keep the weight down.

Will try to post a detailed build log as I go along.
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« Reply #1 on: June 27, 2014, 11:29:37 PM »
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With 2200 mah battery, 2826 motor will be under powder, also with 42 inch wingspan requires more pull, use 2836 motor,         
Mini avispad Head Scratching
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« Reply #2 on: June 28, 2014, 05:05:33 AM »
sanjayrai55
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Put the biggest prop the motor can take. A 9*47 or 10*47
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« Reply #3 on: June 28, 2014, 05:07:31 AM »
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And dont use landing gear
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« Reply #4 on: June 28, 2014, 07:12:52 PM »
maahinberi
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Twp strips of 5mm coro cut to make the spar...
P1120909.jpg
Re: Mini Avispad (90%) Build Log
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« Reply #5 on: June 28, 2014, 07:15:12 PM »
maahinberi
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Glued the two strips to get the spar for one side of the wing...
Feviquick sucks in everything around it into its stickiness (notice the torn newspaper) like a blackhole  Tongue
P1120912.jpg
Re: Mini Avispad (90%) Build Log
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« Reply #6 on: June 28, 2014, 07:18:05 PM »
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Both sides ready...
P1120916.jpg
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« Reply #7 on: June 28, 2014, 07:29:42 PM »
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Measuring 2" of dihedral and gluing in place with Hot glue. One drop of hot glue on each side, goes into the flutes of the coroplast and makes a solid joint...
P1120917.jpg
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« Reply #8 on: June 28, 2014, 07:30:34 PM »
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2mm plywood glued on both sides of spar using 5min epoxy for support...
P1120921.jpg
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« Reply #9 on: June 28, 2014, 07:47:07 PM »
sanjayrai55
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Do hurry. Taking forever

http://obamadiary.files.wordpress.com/2011/06/yawn-big-funny.jpg?w=655
Mini Avispad (90%) Build Log
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« Reply #10 on: June 28, 2014, 07:47:57 PM »
maahinberi
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Sit and relax....Grab some popcorn
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« Reply #11 on: June 28, 2014, 07:52:08 PM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth
 ROFL ROFL ROFL
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« Reply #12 on: June 29, 2014, 12:23:53 AM »
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Following this thread Maahin, this one will be a trend setter I believe, getting those cool number on the weight... quickest to get one in air with super easy available parts
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« Reply #13 on: July 17, 2014, 01:35:33 PM »
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Wing panel and Ailerons cut out.............
Ailerons glued to the wing panel...
P1120923.jpg
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« Reply #14 on: July 17, 2014, 01:37:18 PM »
maahinberi
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Made the cutouts for the servo.
Glued the spar.
Glued reinforcement to the servo mount (Used ice cream sticks))
P1120947.jpg
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« Reply #15 on: July 17, 2014, 01:38:03 PM »
maahinberi
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Scoring the Coroplast to fold it
P1120975.jpg
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« Reply #16 on: July 17, 2014, 01:40:15 PM »
maahinberi
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Masking the ailerons with clear tape (So that excess cyano doesnt cause it to stick to the top of the wing.
Wing folded over and glued.
P1120978.jpg
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« Reply #17 on: July 17, 2014, 01:44:16 PM »
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Wing Wrap glued. The wing is now complete.... Grin
Dimensions:-
Wingspan: 1070 mm (42 inches)
Chord: 250 mm (9.8 inches) (Including 1.5 inch ailerons)
Weight: 242 g
P1120996.jpg
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« Reply #18 on: July 17, 2014, 01:54:20 PM »
sanjayrai55
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Too heavy. The 48" wing with servos, pushrods etc should be 220-240 g
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« Reply #19 on: July 17, 2014, 02:19:47 PM »
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You sir are super productive today..are we on for maiden on Saturday?
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« Reply #20 on: July 17, 2014, 04:38:32 PM »
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Most probably
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« Reply #21 on: July 26, 2014, 10:44:57 AM »
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Fuselage cut out...
Firewall made...
P1130006.jpg
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« Reply #22 on: July 26, 2014, 10:52:27 AM »
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Formers made.
Ice cream stick used to strengthen servo mounts.
Fuselage folded and formers glued in place.
P1130014.jpg
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« Reply #23 on: July 26, 2014, 10:54:15 AM »
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Vertical Stabilizer, Horizontal Stabilizer and Firewall glued in place.
P1130022.jpg
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« Reply #24 on: July 26, 2014, 10:56:01 AM »
maahinberi
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Doublers for the Wing and Dowel rods attached.
P1130028.jpg
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