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HelicopterMain Discussion › Goblin CG - and blade knicks.
04-04-2017 04:37 AM  4 months agoPost 21
EEngineer

Elite Veteran

TX

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The LHS usually has "odorless" CA which has less fumes if any.

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04-04-2017 04:48 AM  4 months agoPost 22
joshreynolds777

Senior Heliman

Willis, Tx

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nice tip heliraptor!

I was wondering about the best way to fix those

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04-04-2017 05:01 AM  4 months agoPost 23
heliraptor10

Key Veteran

kokomo, in-US

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Unfortunately EE
I haven't had any luck with anything but actual super glue brand. I grab a few of the 2 pack squeeze bottles from the Dollar Tree every time I'm there.

Everything else I've tried either doesn't "wick" into the cf or it makes really brittle bonds.

I've actually used this to bond pieces of cf to make RC car parts. For the helis though I only use it to fill in blade Nicks

Goblin! where have you been all my life?
RC helis, the original fidget spinners

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04-04-2017 05:27 AM  4 months agoPost 24
joshreynolds777

Senior Heliman

Willis, Tx

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what if you dont have any CF laying around? Can anything be substituted ?

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04-04-2017 05:32 AM  4 months agoPost 25
heliraptor10

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kokomo, in-US

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Well when I first thought of this I used cigarette ashes. But it's hard to get it to fill the hole properly. So it doesn't look as nice.

Be careful though, If you try this. Because the smoke and fumes will be way worse. I was shocked as to how hot it would get as it set.

Start saving a little cf scrap when you crash.

Goblin! where have you been all my life?
RC helis, the original fidget spinners

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04-04-2017 06:06 AM  4 months agoPost 26
joshreynolds777

Senior Heliman

Willis, Tx

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I dont plan on crashing any time soon lol.
Im sure the day will come, but hasn't yet, knock on wood

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04-04-2017 06:18 AM  4 months agoPost 27
Pistol_Pete

rrProfessor

Seffner, FL

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what if you dont have any CF laying around? Can anything be substituted ?
Talc or baking soda...in that order preferably.

~~Enjoying the hobby one flight at a time~~

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04-04-2017 06:47 AM  4 months agoPost 28
joshreynolds777

Senior Heliman

Willis, Tx

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hum, baking soda, that i can probably do

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04-04-2017 06:48 AM  4 months agoPost 29
EEngineer

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TX

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microballoons?

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04-04-2017 07:41 AM  4 months agoPost 30
heliraptor10

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kokomo, in-US

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I came up with it years ago when I was driving 20 min to go fly.

My first flight at the field on my e550 I kicked a rock with the tail blades. And there was a bothersome noise because of it.

One of the rules I made for myself is that if the heli doesn't feel or sound right -land

So the noise was impossible to ignore. I didn't want to scrap the whole day, so after some thinking I went and grabbed some dust from the gravel road and used that and ca to fill it.

Goblin! where have you been all my life?
RC helis, the original fidget spinners

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04-04-2017 11:10 AM  4 months agoPost 31
Richardmid1

rrProfessor

Leeds, England

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Remember when people used to learn on 450's or 30 size nitro's with a training undercarriage?! Now it's 700+ size Goblins?!

60% of the time, it works every time!

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04-04-2017 11:41 AM  4 months agoPost 32
joshreynolds777

Senior Heliman

Willis, Tx

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Undercarriage :-) that's adorable.
I actually rememebr those days too. I learned on a raptor 50 back in 2008 with training gear. Truth is, I had barely taken them off when the market began to crash over here. And took a long hiatus until recently. I rememeber flybarless helis just barely breaking into the scene when I got out.

It's probably a little backwards of me, but I've got several helis. And feel the most comfortable in the big goblin. Big. Visible. And stable. It could be too that that one for some reason is the only one I take to big fields. The smaller ones usually end up right outside the door in a smaller area.

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04-04-2017 03:56 PM  4 months agoPost 33
Heli_Splatter

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USA

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I do not know why you would use CA on a resin surface. I would use an epoxy to repair surface damage. Certainly never repair any deep or structural damage. That would be a replacement.

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04-04-2017 06:08 PM  4 months agoPost 34
EEngineer

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TX

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"grabbed some dust from the gravel road and used that and ca to fill it. "

Now that is hardcore.....

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04-04-2017 06:08 PM  4 months agoPost 35
heliraptor10

Key Veteran

kokomo, in-US

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Helisplatter
It's just for little divots.

Powdered cf from parts has resin and cf in it.
The Ca bonds it all back together solid because it heats up quite a bit.

Like I said I've made parts for RC cars.

I even fixed a chewed up spur gear on a 1/5th scale. Filled in the broken tooth area and sculpted the teeth back into it. It only lasted for 3 runs, but to me that was pretty impressive.

Goblin! where have you been all my life?
RC helis, the original fidget spinners

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04-04-2017 06:11 PM  4 months agoPost 36
EEngineer

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TX

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"Big. Visible. And stable."

If you can't see the heli properly, you can't fly it properly.

Going bigger was a big help.

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04-05-2017 12:12 AM  4 months agoPost 37
heliraptor10

Key Veteran

kokomo, in-US

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Yeah EE...

Look at my ghetto chopper thread... That was hard core...

And stupid.

I still have the head part that I repaired with bamboo and CA...
Yeah...

I know.

At that point in my life I was seriously addicted to helis and hadn't learned yet there's a balance

What you put in
Is what you get out.

Goblin! where have you been all my life?
RC helis, the original fidget spinners

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04-05-2017 12:20 PM  4 months agoPost 38
youngbuck

Heliman

Maine

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Now someone please correct me if I'm wrong,say I got two decent chunks taking out of one of my rave 700 blades. If I try you guys magic trick with carbon fiber and CA and then sand it smooth, shouldn't I take my good blade and weigh it and then add or subtract weight to match my magic blade?
Is so I'm assuming you just do a little hand sanding towards the tip of the blade or the middle(cg)? And say it's now heavier, what would you guys do in that predicament??? Thanks guys.
Obviously the goal would be to get them to match or darn close.

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04-05-2017 04:43 PM  4 months agoPost 39
heliraptor10

Key Veteran

kokomo, in-US

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Define decent chunk

Pic

It can be a good way to repair a Nick or divot but sometimes things aren't worth the risk.

Goblin! where have you been all my life?
RC helis, the original fidget spinners

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04-05-2017 06:14 PM  4 months agoPost 40
EEngineer

Elite Veteran

TX

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Come on....chunks?

In your mains?

Chunk them and get new blades.

And don't fly around rocks....fly elsewhere.

It's the cost of doing business.

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