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Old Dec 14, 2010, 01:19 PM
Extremeace is offline
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Always Twirling for Freedom!
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Originally Posted by JONBOYLEMON View Post
With any luck I can fly it before the weekend on lunch.

Sod farm would be fine for a NYD flyin.
NICE, GOOD GOIN' Jon.. Knew it wouldn't take you too long! Hey, do you think they'd move the sprinklers for us at the sod farm? I'd assume they don't water too much this time of year.
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Old Dec 14, 2010, 01:55 PM
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Spins With Gliders
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Originally Posted by like.2.fly View Post
Good to know Tim. Thanks.

Here's the one I got:
A 40W Radio Shack PA amp & equalizer. Runs off AC or 12V DC, and has inputs for mics and mp3 players.
Two 100W Powerhorn indoor/outdoor PA speakers.
Same system they had at the BSOAZ contest, and it worked great. Got a deal on the amp for only $60, and paid $36 each for the speakers. We should be good to go. Just need the timing sound files in a custom playlist on an iPod.
Mike --- what is the model #?
Old Dec 14, 2010, 01:58 PM
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hot air rises...
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Originally Posted by JONBOYLEMON View Post
That place is a Cancer factory I tell ya.
You think I aught to hand out respirators when people visit?
Old Dec 14, 2010, 02:27 PM
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Spins With Gliders
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Mike --- what is the model #?

nevermind... got it.
Old Dec 14, 2010, 10:34 PM
J_Arner is offline
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Limbo with 30,000V...
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Mike, could you post up a picture of your blade mount? I'm wondering which side to face forward. Looks like one side is fairly straight and the other is curved.

Thanks,
Jim
Old Dec 14, 2010, 11:55 PM
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Mike M.
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Originally Posted by Fishjunky View Post
Mike, could you post up a picture of your blade mount? I'm wondering which side to face forward. Looks like one side is fairly straight and the other is curved.

Thanks,
Jim
Based on all the pics I was able to find, they all had the straight edge aft and the curved edge forward. So that's how I did mine.
Old Dec 15, 2010, 12:04 AM
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Ok that's what I was leaning towards as well, but wanted to make sure. I did some sanding tonight so they're ready for install... now just have to get the wings ready.

Had to steam out a small crease in the aileron from the tree incident, so now have to wait till tomorrow before I can start the repair. Since the weather is turning on us again, I think I'll take a stab at putting the blades in. I've been putting it off since I'd rather fly
Old Dec 15, 2010, 02:27 AM
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Full disclosure, not sponsored
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Well CRAP!!!!!

I suspect my tail is way too heavy. Its gonna take 2 oz of battery to make the Topsky Balance. Just cant see having a 2 ounce battery as a good thing. Might as well put a prop on it!!!!

I posted in the build thread and will see what people say. I think I will be on the lookout for the lightest weight balsa I can find and then use the microballoons in the epoxy mix this time to secure everything.

I even cut the boom down 1/2"!!!
Last edited by JONBOYLEMON; Dec 15, 2010 at 02:38 AM.
Old Dec 15, 2010, 03:43 AM
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Jeremy D Stott
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I cut my boom down about 3 inches.

A normal battery is about 30 grams so don't fret too much. What will be the AUW?
Old Dec 15, 2010, 03:49 AM
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Jeremy D Stott
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I saw on your post it is 300 grams. 10.5 oz. isn't bad at all. If you want new tails, go to Monstr.com and order a new set for 20 bucks. Not bad considering they're already fiberglassed and weigh 15 grams for the set. You could even get the airfoil blue set for 40. That would enable you to put the wing servos back into the wings or even leave them and take out the nose weight... Or both. Putting you back down in the 9 oz category. My Raptr weight 10.25 and flies great. I could shave some more out of that down to 9.5 since I have a 1000 mah lipo in there, but I haven't felt the urgency... Like I said, it flies great.

Fly it as it is now (with a real battery - not just dummy weight) and modify it as you go. Move the peg later, change tails later, weight later...
Old Dec 15, 2010, 11:15 AM
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J, so what is your total boom length? Geesh thats an awkward question 1st thing Wednesday morning...........

I will take your advice J and just fly it. Seems silly that these are not designed as light as possible and then add ballast @ CG for conditions.

Why would you not use a 2S pack and 2S capable servos? Less is better right?

Good news is that if I do go with old school brick battery I can use cheap servos for the tail vs Dymonds which apperently run on 2S just fine.
Old Dec 15, 2010, 11:47 AM
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Jeremy D Stott
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I bet if you swapped out your tails you wouldn't need any ballast at all. I'll check the boom length when I get home.

Wether you run 1s boosted, Nimh, or 2s, your battery system should come in around 30 grams as a rule of thumb I'd say.
Old Dec 15, 2010, 12:22 PM
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Wish I had weighed tail prior to install!!!!

Monstr.com No worky!!!!
Old Dec 15, 2010, 12:35 PM
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Originally Posted by JONBOYLEMON View Post
Wish I had weighed tail prior to install!!!!

Monstr.com No worky!!!!
https://www.rcgroups.com/forums/show...&postcount=156

I might have gotten them down to 19.5g before handing them off to you.
Old Dec 15, 2010, 12:37 PM
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http://www.themonstr.com/


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