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Old 08-25-2016, 03:21 PM   #1
wax
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my SIG Wonder, electric powered


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Thanks to a member on this forum 'OLD PRAIRIE RED NECK' , I received the plan for SIG Wonder. The build started slowly a few months back, Finally finished it last month. From the beginning, I wanted to go for electric, so the power system I chosed:
battery 3S 2800mah
motor 35-36A 1400Kv
propeller APC 8x6E
about max 400W on the ground

Modifications I made:
1,extend the nose for about 1", to make the propeller plate stays at the same place as the engine version.
2,added a hatch on the nose to replace battery
3,close the 2 sides of fuselage at the end.

the wind was covered with Monokote, the rest just spray paint, for electric plane, spray paint is good enough, I think.
I didn't have wing warping problem like some others, then I balanced the plane exact to the plan.
On the first flight, the plane needs just a little trim, very maneuverable but stable enough.
Here are a few pictures I took at the Toronto club field.
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Old 08-25-2016, 09:22 PM   #2
Max
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Re: my SIG Wonder, electric powered

Quote:
Originally Posted by wax View Post
Thanks to a member on this forum 'OLD PRAIRIE RED NECK' , I received the plan for SIG Wonder. The build started slowly a few months back, Finally finished it last month. From the beginning, I wanted to go for electric, so the power system I chosed:
battery 3S 2800mah
motor 35-36A 1400Kv
propeller APC 8x6E
about max 400W on the ground

Modifications I made:
1,extend the nose for about 1", to make the propeller plate stays at the same place as the engine version.
2,added a hatch on the nose to replace battery
3,close the 2 sides of fuselage at the end.

the wind was covered with Monokote, the rest just spray paint, for electric plane, spray paint is good enough, I think.
I didn't have wing warping problem like some others, then I balanced the plane exact to the plan.
On the first flight, the plane needs just a little trim, very maneuverable but stable enough.
Here are a few pictures I took at the Toronto club field.
Nice!

I've always liked the wonder and I always figured that an electric version would probably smoke!!! How fast does it go??
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Old 08-27-2016, 04:51 AM   #3
OLD PRAIRIE RED NECK
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Re: my SIG Wonder, electric powered

Good job! 400 watts is about the power of a .25 glow so it should really go!
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Old 08-27-2016, 09:45 AM   #4
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Re: my SIG Wonder, electric powered

Hello All... The wonder makes a great electric plane. My good friend and fellow modeller brought me a kit a while ago and he had bought one for himself also. He is a speed addict so the "Race" was on.

Did a few tricks to mine. Thinned the wing by trimming the ribs on the bottom to a semi profile. Nose was lengthened and tail surface shape was changed to be unique. A hatch was added to the bottom with camloc fasteners (great mod).

Power is a Hyperion GS3014-10 at 1290KV - 4S 1800-2200 packs turning a 8x8 APC EF1 prop.
performance is spectacular at 820w on tap. Absolutely ridiculous vertical acceleration but its the most well behaved "fast" airplane I have ever had. My standard routine includes a half throttle launch - into full burner - Pull straight up and take it almost out of sight. Power off and nose straight down while rolling - able to get about 6 or 8 rolls on the way down. Its an absolute Blast to fly. Glides like a trainer and landing is a non event.

Pictures are of the plane just after covering (Russian Cobra Scheme) - realized I don't have any completed pics.

If you see a wonder Kit on the shelf at your local hobby store - pick it up and have a blast.
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Old 09-01-2016, 11:12 PM   #5
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Re: my SIG Wonder, electric powered

Agreed! And easier to fly than you would expect!
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Old 09-02-2016, 09:14 AM   #6
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Re: my SIG Wonder, electric powered

how fast u guys getting outta those two planes..any ideas??
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Old 09-02-2016, 10:12 AM   #7
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Re: my SIG Wonder, electric powered

I have plans for one from a friend.
Was thinking of making it out of foamboard and depron. Any thoughts on that?

Use a heli motor and small prop and watch it scream. Right Cory??
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Old 09-02-2016, 11:17 AM   #8
gixerfien
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Re: my SIG Wonder, electric powered

Quote:
Originally Posted by Max View Post
I have plans for one from a friend.
Was thinking of making it out of foamboard and depron. Any thoughts on that?

Use a heli motor and small prop and watch it scream. Right Cory??
ahaha...dang right!!!!...

you hit the nail on that one...lol

I seen one of the flite test ones flying last weekend at the oakwood fun fly and started thinking hmmmm....I wonder about the scorpion motor I got and how fast I could get one to go hahaha

I'm about to head off to pinnacle here shortly to get my spinner adapter, couple other props to try and some 3/32 ply for the motor housing lol...thats the last parts I need before I start building it.

Actually I need a battery...Sh**g on myself for selling all my 3s 2200 other week and not keep at least the one pulse pack lolol

might be all good tho as its kinda looking like im gonna want something more in the 3s 2700-3000 range to balance the CG instead of using lead weight might as well use battery their saying lolol
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Align 250 DFC,Mini Vbar, YEP 18, S306G HV's
Align 500L Dominator, Vbar Silverline, YEP 90LV, BK 5001's and BK 5005, Switchblades
Goblin 380, Mini Vbar, Xnova 3215, YGE 90LV, BK 3001's and BK 5005, Switchblades
Goblin 700 comp(BNIB)
Blade 450x, every lynx/blade upgrade available--PARTING OUT(CHECK CLASSIFIEDS)
HK Clik and RC Foam Factory Click super-lite(BNIB)
Losi Mini 8ight--Leopard LBP2838, HW 10BL60, BK 5001, Shumacher Rally's+Pins, Rhino 1050mah 40c
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