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Old Jan 28, 2013, 09:04 PM
Got Brushless?
Friedclutch's Avatar
Sacramento
Joined Sep 2007
310 Posts
Not knocking Hysol because I have not used it... But... I have not had epoxy fail. Not since I started R/C planes in 1992. I fly 100cc giant scale. All my IMAC buddies fly 100cc to 200cc. All of us use 30 min epoxy. (also used it to build my H-32) What does Hysol do that warrants switching? Just curious.
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Old Jan 28, 2013, 09:08 PM
Never fly an A model anything!
jayb1rdz's Avatar
Antarctica
Joined Apr 2008
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If you don't prep the parts properly, it doesn't matter what you use, it can come de-bonded. Make sure you give the horns a sanding at the bonding area to remove the "blush" which will prevent the glue from keying in.
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Old Jan 28, 2013, 09:33 PM
Proud RC Addict
United States, UT, American Fork
Joined Nov 2009
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Quote:
Originally Posted by jayb1rdz View Post
If you don't prep the parts properly, it doesn't matter what you use, it can come de-bonded. Make sure you give the horns a sanding at the bonding area to remove the "blush" which will prevent the glue from keying in.
+1 you can scrape hysol off a smooth plastic as easy as anything else.
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Old Jan 28, 2013, 09:39 PM
EDF Jet Jam May 2014
Robert Belluomini's Avatar
United States, KY, Crestview Hills
Joined Dec 2000
6,582 Posts
Hysol is thixotropic meaning it is thick and does not run. It has a very high sheer strength too. I used Vpoxy to glue the horns. It dries quicker than hysol and is clear too.
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Old Jan 29, 2013, 01:36 AM
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United States, OR, Portland
Joined Aug 2011
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response

Quote:
Originally Posted by Friedclutch View Post
Not knocking Hysol because I have not used it... But... I have not had epoxy fail. Not since I started R/C planes in 1992. I fly 100cc giant scale. All my IMAC buddies fly 100cc to 200cc. All of us use 30 min epoxy. (also used it to build my H-32) What does Hysol do that warrants switching? Just curious.
No reason for switching on the Habu. Just asking to see what some of you thought. I was considering trying it on the control horns because I have heard it stays where you place it and does not run like normal 30 min epoxy. This is the reason that it is recommended for use on my other project.

Yes, I know that a sanded and clean surface is needed for adhesives to work right. Was planning on doing that anyway. It has been a while since I have read the manual, but I believe it calls for 5 min epoxy. I was going to mix up 30 min and use that but thought since I need to order some Hysol anyway I thought why not give it a try.
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Old Jan 29, 2013, 07:53 AM
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ZACATTACK's Avatar
Canada, ON, Hamilton
Joined May 2011
4,360 Posts
Quote:
Originally Posted by Friedclutch View Post
Not knocking Hysol because I have not used it... But... I have not had epoxy fail. Not since I started R/C planes in 1992. I fly 100cc giant scale. All my IMAC buddies fly 100cc to 200cc. All of us use 30 min epoxy. (also used it to build my H-32) What does Hysol do that warrants switching? Just curious.
Very Simple....Tensile stregth of Hysol is 3200 PSI + with an operating teperature to - 67* to 140*......5 min expoxy cannot touch those numbers, I believe tensile strength is 2400-2500 PSI and temperature failure of 5 Min epoxy is no where near those temperatures...You get what pay for with Hysol and includes peace of mind.
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Old Jan 29, 2013, 08:05 AM
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Originally Posted by ZACATTACK View Post
Very Simple....Tensile stregth of Hysol is 3200 PSI + with an operating teperature to - 67* to 140*......5 min expoxy cannot touch those numbers, I believe tensile strength is 2400-2500 PSI and temperature failure of 5 Min epoxy is no where near those temperatures...You get what pay for with Hysol and includes peace of mind.
The tension on the control horns is no where near those numbers either. The manual says use 5 min epoxy and it works fine for thousands of people that used it there.

Again, you won't be disappointed with Hysol. It's good to mix a bit up and see how it mixes/dries reacts anyway before your other project. I'd just hate to see people recommending it for an application that doesn't really need it. You have to order it since you can't just grab a pack at the LHS (any I know of anyway). You have to wait a day for it to dry. It costs $15 + shipping for every pack. So yeah, if you have some go right ahead if you feel the need. I used epoxy regardless even though I have it.

OK... enough... back to your regularly scheduled show now
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Old Jan 29, 2013, 11:43 AM
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United States, MD, Clinton
Joined Oct 2010
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Got my wheel air brakes working after acouple of hours. Found out that the pin in the block that has the o-rings to hold the air in was in backwards... :/ Spun it around and everything works as should.
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Old Jan 29, 2013, 05:36 PM
Extreme CNC Alloy EDF
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Australia
Joined Mar 2006
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Nothing wrong with epoxy, the Habu is made with it isnt it?
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Old Jan 29, 2013, 05:52 PM
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Canada, ON, Hamilton
Joined May 2011
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Originally Posted by Extreme_RC View Post
Nothing wrong with epoxy, the Habu is made with it isnt it?
Cannot comment any further on adhesives for we are back to our regular scheduled program....
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Old Jan 29, 2013, 07:51 PM
Destructive Tester
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Tampa, FL
Joined Apr 2008
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and now for something completely different....
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Old Jan 29, 2013, 09:11 PM
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Jetnfast's Avatar
United States, MO, Warrensburg
Joined Feb 2008
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Quote:
Originally Posted by houstonderk View Post
Got my wheel air brakes working after acouple of hours. Found out that the pin in the block that has the o-rings to hold the air in was in backwards... :/ Spun it around and everything works as should.
Post some pics of your setup. Not sure if many guys have wheel air brakes on the Bu.
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Old Jan 29, 2013, 10:34 PM
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United States, OR, Portland
Joined Aug 2011
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Any one managed to get the brakes from shulman aviation to work with Tam's gear.
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Old Jan 30, 2013, 02:58 AM
"Fly Low, Fly Fast, Turn Left"
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United States, CA, Red Bluff
Joined Jul 2009
526 Posts
I put a set on my reaction and love them. The p-38 and habu are next!
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Old Jan 30, 2013, 03:03 AM
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United States, MD, Clinton
Joined Oct 2010
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Someone tried and mentioned the pin was slightly larger than the diameter of the hole on the tamjet struts...
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