ULTIMATE MOD OF THE SHOGUN FRAME (and one Walkera part) - Page 2 - HeliFreak
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Zoom/Shogun 400 Electric - Zoom - Shogun 400 Specific Discussion


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Old 10-21-2006, 02:10 AM   #21 (permalink)
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I decided to glue the tail boom supports directly on to the frame. This was to ensure the tail boom is kept exactly horizontal to the air frame in general:

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Old 10-21-2006, 02:13 AM   #22 (permalink)
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This is how I made sure the yet-to-be glued CNC supports hold the boom horizontal to the air frame:



I used ballancer bubbles which I taped horizontally to both the frame and boom:



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Old 10-21-2006, 02:15 AM   #23 (permalink)
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And therefore, this is the end product of both the bearing case(s) mod and tail boom extension:






Edit: I needed to extend the tail support by 17 mm as I am running 453 grooved belts which I bought from Dave of Heliworkz.com. Only $ 2!!
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Old 10-21-2006, 02:20 AM   #24 (permalink)
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Concerning the motor mounts - on this frame, the motor mount also comes with the mounts for the two front servos:



Therefore, when I moved the motor mount further to the front, the servo mount also moved, with no place for mounting!:


Yellow arrow is the original servo support mounting.
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Old 10-21-2006, 02:21 AM   #25 (permalink)
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Well, the solution is pretty easy. I just lopped off the front section of the frame which I wasn't going to use, and use it to extend the servo mount:



Red arrows are the parts cut off, to make the servo mount extensions (yellow arrow).
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Old 10-21-2006, 11:47 AM   #26 (permalink)
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Here's the finished product:



I added additional CA powder + CA to the areas around this extension, to ensure good support.
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Old 10-22-2006, 07:18 AM   #27 (permalink)
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Next to be built is the guide rollers. I am running my tail via a belt driven directly from the main shaft. Therefore guide rollers became a necessity:

I bought these Align alum tubes (HS1188) from wattsuprc.com:



They were great for building the cross support to the guides:



I did not buy the stock Shogun V2 guide pullies as the shogun tail boom is only 9 mm compared to the Trex tail boom of 12mm - therefore 'pressing' the belt to go through a 7 mm guide (for 9 mm boom) appeared as an added unwanted friction area to me.
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Old 10-22-2006, 01:00 PM   #28 (permalink)
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ohh yeah keep them coming!!!!!!!!!!!!!!
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Old 10-23-2006, 11:09 AM   #29 (permalink)
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I've been having some issues with my 401 Gyro off late. Its keeping me busy and away from posting here. But I'll be back as soon as I'm airborn again (does that make sense?).

Anyway, good luck, and keep those skids light.
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Old 10-26-2006, 06:09 AM   #30 (permalink)
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Well okay! I'm back airborn and it feels great!!
On with the mods!

By the way, thanks for the encauragement drtmind01. :wink:
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Old 10-26-2006, 06:12 AM   #31 (permalink)
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So with the belt guides in place, the frame is more or less fully modified. So here's what it looks like with the main gear, bearings and bearing case on:



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Old 10-26-2006, 06:15 AM   #32 (permalink)
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Installation of the electronics could now begin.
The motor and two front servos went in first. I'm using JGF 400DH motor - very light at less than 50 grams, with huge 4000 + KV, and low 9T pinion.
I get great flight times with this motor, while the ESC and lipo stays super cool.



On the flip side:

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Old 10-26-2006, 06:17 AM   #33 (permalink)
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For the three cyclic servos, I'm using HS 65s. They are great carbonite servos, high torque, and super silent. Movement is smooth which also translate to smooth collective control:

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Old 10-26-2006, 06:25 AM   #34 (permalink)
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There was another item I didn't buy from Jeff of xmseller, and it was the aluminum spacers for the two front G10 supports (arrow):



These I had to cut myself from two of these Align alum tubes:

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Old 10-26-2006, 06:26 AM   #35 (permalink)
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Two pieces of alum tubes makes four pieces of threaded spacers!:

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Old 10-26-2006, 06:27 AM   #36 (permalink)
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Here's what they look like after installation:



Not bad at all. :wink:
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Old 10-26-2006, 06:59 AM   #37 (permalink)
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Now for the canopy mounts - I'm using standard Align Trex XL canopy. I think the stock shogun canopies are much much too small, and anyway, the way I install it, I don't have to take them off or on when I put my Lipos in/out:

For the top mounts, I use the Trex bearing case mountings:

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Old 10-26-2006, 07:01 AM   #38 (permalink)
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Instead of using screws, I cut a lenght of the Trex flybar rod (the threaded ends) to make a long 'screw'. This screw not only holds the bearing case in place, it also has a dual function of supporting the canopy:

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Old 10-26-2006, 07:02 AM   #39 (permalink)
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I've had to add some plastic spacers on one side:

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Old 10-26-2006, 07:03 AM   #40 (permalink)
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On the other side, I use the same mounts to support my eileron arm - so 3 multi-functions for this rod (yellow arrow)!

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