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» 2019 Llanfair TH Village Fete
JR E6 550 build thread. Empty2019-07-12, 18:53 by Rich

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JR E6 550 build thread. Empty2019-03-03, 23:44 by Charles E Cornes

Saturday 7/7/18

2018-07-07, 21:07 by Gary M Jones

I was at the field today between 14:00 & 15:00 all on my own , good flying too. There is a dead sheep along the fence line towards the gate from the pits, I saw the farmer so reported this to her. I hope no one had plans for a BBQ Smile .

Farmer …

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JR E6 550 build thread.

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Post by Mr Moff on 2013-07-15, 12:45

I've been after a 550 for at least a year now and couldn't decide between the Align, goblin, logo or the JR. I was so over the moon with the little Forza that I took the plunge with the E6 550.
Here's a few picks opening the box.

JR E6 550 build thread. C355ca70648aeb1395b0cd9e463d1172

Going to be trying these Pulse 6s 4500 45C packs.

JR E6 550 build thread. 59c8815507eecc7568199e8a3364544f

JR E6 550 build thread. 4c5947c05b8b188b1319df02e2ce434f

This is the combo with servos, motor, esc and it came with their TAG 01 flybarless system. The TAG required a separate reciever, which I preferred to use the 7200bx so I swapped with Andy as he had a 7200bx he wasn't using.

Here's the servos, as per the Forza they include the awesome 3500g for the tail.
Note this uses mini servos and the head is the regular design with mixing arms, so not a dfc arrangement. I prefer heads this way.

JR E6 550 build thread. C2ef77fe5849ace098db77526c91720d
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Post by Mr Moff on 2013-07-15, 12:56

On with the build,
Step one, after I sanded the frame edges they give you these red L shape brackets to mount the centre plate to the frames. The frames are a 4 piece arrangement.
Checkout the laminated card with 1 to 1 pictures of all the hardware and ruler edges.
Very neat.

JR E6 550 build thread. 1cec95074cbedf5e77cc3f30d88e2c54

One side done.

JR E6 550 build thread. A38996594bfc4e6e2959ce29afbcf563
JR E6 550 build thread. D9ea2c16cffed1bb89f42297195c696c

The torque tubes bevel gears in the boom block are metal.
JR E6 550 build thread. 064f97b81610f377d3b7548d62e212eb
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Post by Mr Moff on 2013-07-15, 16:13

Lower frames with white tabs for mounting the landing gear.

JR E6 550 build thread. 879a96b65e3d182725a2c86228b36a8a

Frames together.

JR E6 550 build thread. Ca088676d1b15d76611e53674e058766

These little plastic wheels are for the canopy mounting. Inside the canopy you have 2 forks that engage these with regular canopy posts at the back.

JR E6 550 build thread. 3fcf21073907a26a25ca640fd8458d51
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Post by Mr Moff on 2013-07-15, 16:30

Right well first off I found a small mistake in the instructions.
You are given 2.6 by 10mm screws, 12 of them,
And               2.6 by 12mm screws, 6 of them,
If you look in the next picture of the servo arms you can just see the step telling you to use 12mm screws to attach the servo mounts to the servos. If you do this you only have 6 when you need 12 of them.
It then tells you to use the 10mm screws to mount the servo mounts to the frames. If you do this you will have 6 screws left over and the 10mm ones are not long enough to engage the nylon locking nuts on the inside of the frames.

The 10mm screws are for the servo to servo mount and the 12mm ones are to mount the servo mounts to the frames.
I called the tech department to ask about this and it has already been noted by a few others and is going to be changed.

JR E6 550 build thread. 889462215bbde4226c57075b94e5ddc5

Here is what it looks like with 12mm screws holding the servo to the mounts. They're meant to sit flush.

JR E6 550 build thread. 7f0880f1e6040c5d444ec82e07c228b4

If you follow the instructions to the letter without noticing the mistake this is how the servos look. The tops of the servos will have 10mm and the bottoms will have 12mm, leaving you with 6 screws left over that won't reach through to the nylon on the frame locking nuts.

JR E6 550 build thread. 93b4ced8704377bd7bf7e4115c4c46ff

Once you fit them to the frames, you can see the correct 12mm screws go through the nylon and sit nice and flush with the end of the nuts.

JR E6 550 build thread. Ce80e77eece63aa2560bd71a183ff637
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Post by Mr Moff on 2013-07-15, 16:43

Here is how it looks with all the servo arms fitted. The quality of all the red anodised parts is excellent.
Something to note is that they now include the servo tube set so you can use futaba servos and still use the subtrimless setup. In the past you had to purchase these separate.

JR E6 550 build thread. 44d6ce4059d23127b6b9e9e48741167a
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Post by Mr Moff on 2013-07-15, 16:47

Here's the main gear, swash plate and main shaft locking collar.

JR E6 550 build thread. 1c0748e2e715959b30fb5392dbb279cc

The swash is a work of art.

JR E6 550 build thread. C7e6a274e2baaf3b47e19f0bc4146668

JR E6 550 build thread. 07ddf232d08fb896524b2e283e420ce3
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Post by Mr Moff on 2013-07-15, 16:56

Here's a picture of the inside of the main shaft. Sorry about the poor picture quality.
Running through the main shaft is nylon so the screws can be doubled up.
In other heli kits usually you have one Jesus bolt at the top and bottom of the main shaft, followed by a main shaft collar to lock it into position on the top bearing block.
With this arrangement however, you put the main gear in, slide the main shaft in and put 2 screws opposite each other to lock the main gear to the shaft.
Then the same with the locking collar which sits under the upper bearing block, followed by the head.
The head attaches to the main shaft with 4!! Count them 4 screws. So there are 6 bolts attached to the main shaft. This is one solid main shaft area and very impressive.

JR E6 550 build thread. A399c9dabcd1c134312c9f4217ca7102

The head is an impressive piece with a stealthy mat black finish and looks ace with the hint of red throughout.

JR E6 550 build thread. 1cee49ebbeafec759950a0e6c06cb96f

JR E6 550 build thread. Dfd9d84107caec9f898a824719e89e9e
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Post by Mr Moff on 2013-07-16, 12:36

Tail gearbox and grips. Everything was already thread locked and the fit/finish is top notch.

JR E6 550 build thread. 9a2a9e788c91b2208f6a4a3fece6221d

JR E6 550 build thread. Dd108e925d894fc44f9b8eede7c9c9f9

Nice carbon boom and tail blades.

JR E6 550 build thread. 0518f8ad2316576ddaee9c0c85c95f77
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Post by Mr Moff on 2013-07-16, 12:38

Sorry about the poor lighting in these shots. The only drawback of twilight building.

JR E6 550 build thread. 23108460ee9ba31eb5f491beb24343a5
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Post by Mr Moff on 2013-07-16, 16:20

Here's the rest of the boom parts. The boom supports clip on using ball joints which is much better than a screw being pulled on at an angle.

JR E6 550 build thread. F2b9b98b7cd6af7ba54e78b2ef562be1
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Post by Mr Moff on 2013-07-16, 16:27

Motor and esc.
The esc like the Forza has some good features. The one that stands out is the adjustable bec voltage. This is adjustable from 5v up to 8v which is great with the current crop of 8v mini servos.
Couple that with a switching bec and it looks more like a spec list from a Kontronic Koby or Jive.

JR E6 550 build thread. 59c886ec9d933441433fefb92547e2fc
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Post by Mr Moff on 2013-07-16, 16:31

They include 2 pinions in the kit. An 11 and a 12. I'm starting with the 11 to see what head speed it gives.

JR E6 550 build thread. 83838e8394d9ce0abe678356d81ef03b

Motor installed.

JR E6 550 build thread. 5e6742558f0bbc02f5a63ec7ac44dd9e
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Post by Mr Moff on 2013-07-16, 19:21

Airframe built with motor and servos in.
I forgot to mention the swash setup is 140 ccpm instead of the regular 120. Most JR heli's are 140.
Also the swash moves down for positive pitch.

JR E6 550 build thread. 0ac2e10be273f5039090e03563fbca4d
JR E6 550 build thread. 56568acf7bc32041eca09ca6b6a745c3

Here's the canopy ready to go on. Note the 2 screws which hold the mounting forks on the inside.

JR E6 550 build thread. 4c12eea4dc6f414a392da05e6cf5b0be

Now to figure out the wiring. There's room for the esc behind the battery. You could then plug in the battery with the canopy on.
Keeping the wiring inside the frame here is going to be tricky, because of the centre plate holding the frame together. You'll need to carefully run the wires very close to the main gear, maybe to close for comfort.
This layout reminds me of the hirobo lepton I built a while ago. That was a tricky wiring job especially if you're a wiring OCD neat freak.
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Post by Mr Moff on 2013-07-17, 12:53

This is what the canopy forks look like. They engage without much effort and the canopy posts are in the perfect place. No pulling on the canopy to fit it with this one.

JR E6 550 build thread. 2440851cf0457edbcc3024405cf78e5b

JR E6 550 build thread. A60fe4a2e05eb0bd4b1b13f0d4e1c027

JR E6 550 build thread. 61df0c6e1a63e3df7c45c7ec67469f79

JR E6 550 build thread. 1634197e7f8b6add5e44baf9c181df87

Next up will be the wiring and setting up.
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Post by Mr Moff on 2013-07-17, 22:52

Wiring done, in the end I mounted the esc up front for a cleaner layout.
The tail servo needed a small 10cm extension to reach the reciever.

JR E6 550 build thread. F6d98c0073df53da05f5f2f14255944b

JR E6 550 build thread. D207fe0c75a09ebd8e783a80ce266c6b

JR E6 550 build thread. 77fe810ead3a87d5b5096394db6279e7
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Post by Mr Moff on 2013-07-17, 22:57

Finished and ready for maiden, next to its little brother.

JR E6 550 build thread. 3edc5d7465b7636f4dbbd517f2c7af48

JR E6 550 build thread. D09ce5c6746577a53e383ef8d5217303

Head setup was spot on with no messing round. Just make the links per the manual and you will have perfect geometry.

JR E6 550 build thread. F03cb1bed12c4ca3739ea9ace83ef5df

JR E6 550 build thread. 5056779cf06645a0f095afb79b6e9682

JR E6 550 build thread. Fb71cdb468a23939f303ad3460ed5111

JR E6 550 build thread. C969157e27adfe41f52e4894486b4a5d
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Post by Mr Moff on 2013-07-18, 01:11

Ok well I managed 3 flights earlier tonight.
Totally uneventfull. Spooled up as smooth as cream cheese and popped in to the hover, and just sat there.
Loads of power on tap and Ooooo those blade farts with the stock blades sound amazing.
After a 5 minute flight there was 65% still left in the battery, so a comfy 10 mins should be possible.

Overall I love this model and although its expensive, you can really see and feel where the extra has gone.
Bottom line is its faultless.
I'll post back once I've flown it a bit more and share settings.
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