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SAB Goblin 630/700/770 SAB Heli Division 630/700/770 - Goblin Helicopters Factory Support


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Old 05-01-2021, 05:11 PM   #1 (permalink)
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Default Goblin Raw Build

Hey everyone!! I just got my new kit. I will build it slowly. I like to take my time. I have never built a SAB helicopter. The first step I am stuck on already. lol. It says in the instructions to use CA to build the carbon rod. Use CA to hold the threaded rods in each end and then CA to hold the aluminum bushing on ? I have always used JB weld. Will CA hold it or can I use JB Weld ?
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Old 05-01-2021, 05:26 PM   #2 (permalink)
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Step 1. Here we go

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Old 05-01-2021, 05:53 PM   #3 (permalink)
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CA is still holding strong for me, although I normally choose epoxy. Enjoy the build. It probably won’t be your last SAB.
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Old 05-01-2021, 06:21 PM   #4 (permalink)
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Don't use CA. I always use JB weld and never had a problem

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Old 05-01-2021, 06:23 PM   #5 (permalink)
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Thanks. I used JB Weld. I always used this on the carbon tail rods.

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Old 05-01-2021, 06:25 PM   #6 (permalink)
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I don't have Free Wheel Clutch Grease but it looks like the factory put it in there anyway.

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Old 05-01-2021, 06:27 PM   #7 (permalink)
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The screws on the pulley are tight. I don't think I need to disassemble and reassemble them.

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Old 05-01-2021, 06:29 PM   #8 (permalink)
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The bag had a brass bushing and a shim in it. But the manual shows just a brass bushing ?

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Old 05-01-2021, 06:38 PM   #9 (permalink)
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I put it together like the manual. Bushing on top of the main pulley and three shims on top of the belt pulley. It seems good no up and down movement. They have a bigger flat on the side the nut goes on to hold it from turning. NICE !!

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Old 05-01-2021, 07:00 PM   #10 (permalink)
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Page 6 done. Really nice quality so far.

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Old 05-01-2021, 07:08 PM   #11 (permalink)
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I had some HA050-S servo arms on hand. Using some MKS X5 HBL550LX Servos in it.

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Old 05-01-2021, 07:20 PM   #12 (permalink)
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I kind of find it strange they ask for green bearing retaining compound for screws? I usually use red lock tight on all balls on the swash or in this case balls in the servo arms.

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Old 05-01-2021, 08:43 PM   #13 (permalink)
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I used red lock tight like I always do on the balls.

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Old 05-01-2021, 08:44 PM   #14 (permalink)
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I have the servos mounted. I usually use rubbers but I hard mounted them like I think SAB intended. It went well. I like the little servo arm centering tool.

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Old 05-01-2021, 08:48 PM   #15 (permalink)
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Frames next

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Old 05-01-2021, 09:45 PM   #16 (permalink)
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Sanded the frames and installed them onto the transmission. Really cool design. Great manual !! Going to take a break for now.

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Old 05-02-2021, 04:53 AM   #17 (permalink)
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Nice build and write up, keep it coming! I love the design of the Kraken.
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Old 05-02-2021, 07:20 AM   #18 (permalink)
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I would recommend you mount the servos on inside of servo supports - instead of the outside (like the manual says) because these servos (using the same) are smaller (height) and with them on the outside the pushrods will be at an angle and not directly under the swash balls.
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Old 05-02-2021, 10:41 AM   #19 (permalink)
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Quote:
Originally Posted by mdu6 View Post
I would recommend you mount the servos on inside of servo supports - instead of the outside (like the manual says) because these servos (using the same) are smaller (height) and with them on the outside the pushrods will be at an angle and not directly under the swash balls.
Thank you for the tip. Can you post a picture of your servo setup. I will move them to the other side of the mount.
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Old 05-02-2021, 10:48 AM   #20 (permalink)
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Lookin good Ken! I’m literally at the same step you are!
Pretty excited!! Happy flying!!
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