Genesis aka Flying Fish build - Page 9 - RC Groups
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Mar 01, 2012, 11:44 AM
Registered User
macinr's Avatar
Does the colloidal silica make the bond less brittle than using micro-balloons?

Looks like with the placement of the horn hole ahead of the hinge you will have better leverage and require less servo throw to achieve more flap deflection.

And do you plan to glue the servos directly to the skin? I saw this bracing idea and it looked pretty neat:
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Mar 01, 2012, 11:55 AM
Semper Fidelis
Big Gas's Avatar
I'm not sure if it helps make a less brittle bond, however it has a more "rubber" feel as it sets. Some chopped cloth would make thing stronger but I didn't go that far. I know a lot of ds builds simply use gg ca. I like the brace idea but the thin wing servos here are just getting glued in. I could do some sort of corner brace but I won't.
Mar 01, 2012, 12:39 PM
Rotozuk's Avatar
I started with my wire harness.. Using the new 8 pin connectors.

We are building two of these planes right now. So twice the fun.

I did not have to open up the servo pockets at all to fit the KST wing servos.

Will be moving into the flap linkage next. I was planning to use a different horn for the flaps, but I have to say I like how yours turned out.

Mar 01, 2012, 01:57 PM
Silent Flight
Twyl's Avatar
John, I noticed something fundamentally different about your set up then mine. I got my heatshrink tubing at dedicated electricians store (Orvac) and my crimpers at Harbor Freight. Something tells me I got my priorities mixed up, and should have spent more on a quality tool and less on a rubber tube.

Mar 01, 2012, 02:25 PM
Nothing to see here...
67econoline's Avatar
Hi Jonathon
When buying tools. remember..
supplies run out. Good tools last for life. cheap ones break and need to be replaced. I buy Harbor freight tools too.But my stuff I use a lot. Its all good quality. Klein/Snap On/Craftsmen Pro? Its always a balancing act. Quality versus life of the tool. My friends think I am nuts but I make my money with Tools... hard not to apply the same theory in my hobby....
Mar 01, 2012, 02:39 PM
Rotozuk's Avatar
Originally Posted by Big Gas
Some pics of my harness.
What do you use the crimp on?

I like the hot glue idea.. Might have to use that next time..
Mar 01, 2012, 03:44 PM
Semper Fidelis
Big Gas's Avatar


Its tons of fun. I got fed up being ripped off buying extensions at the HS. This way I can make custom extensions and such.
Mar 01, 2012, 03:49 PM
Rotozuk's Avatar
Originally Posted by Big Gas
Its tons of fun. I got fed up being ripped off buying extensions at the HS. This way I can make custom extensions and such.
I have tried to crimp those in the past and have given up.. I just wasted money trying to do it myself. I never got the results I was after! I usually just cut up an extension if I want the ends. I have a drawer full of cut offs now. Usually only use the servo side as I solder the wing servo to the harness.
Mar 01, 2012, 04:16 PM
Sane til the lift starts!
kpeevyhouse's Avatar
Once you get the right tool for crimping servo connectors, you will NEVER go back to soldering extensions again! I like to buy my connectors in bulk from You can even get them in different colors. I like to put red male connectors on battery packs, and red female connectors on the appropriate lead on power switches. You can never plug the switch in backwards again. Same thing with wing servos. i.e. all plugs on left wing are green, right wing are yellow. That helps make sure that when you put your wing on, the servos end up on the correct receiver port.
Crimping tool
Mar 01, 2012, 04:32 PM
Semper Fidelis
Big Gas's Avatar
I like that site. I may have to get some of that snake skin stuff.

There is a healthy learning curve to crimping. It was a PIA in the beginning but after a couple of years I think I have it down. I would spring for the ratchet type. I think I paid around $25 for mine, they may have been "preused".

By the way, I tested the flaps, it looks like 85deg down for crow and some up for aileron to flap mix. I did have to dremel some wiper away for the sullivan clevis to go on.
Mar 02, 2012, 09:28 PM
Registered User
macinr's Avatar
24 hours and no updates? What kind of builder are you...?
Mar 02, 2012, 09:46 PM
Semper Fidelis
Big Gas's Avatar
Originally Posted by macinr
24 hours and no updates? What kind of builder are you...?
Norco called. I may glue some servos tonight then waiting for the ballast tube to figure out the fuse.
Mar 03, 2012, 01:35 PM
Dang!....What else did I bring
oletimer's Avatar


Browns is kicking it again!
You going out there John?
We will have to have a Genisis 3 way MOM race there one day!
But till I am not paying $100.00 per tank full.... I am staying local!
Mar 03, 2012, 02:14 PM
jimbo320's Avatar
Guys, I have one if these shortlisted for general slope abuse.

Has anyone fitted a rudder?
Does a ballast tube fit ok? What's the AUW with lead slugs approx?

I'm thinking of the flapperon version, interested in the landing challenge



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