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Home✈️Aircraft🚁Helicoptere-AlignOther › Trekker build pictures - compared to a 250DFC
01-01-2013 08:25 PM  7 years ago
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jschenck

rrProfessor

La Vista, NE.

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Trekker build pictures - compared to a 250DFC
First day of the build

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01-01-2013 08:49 PM  7 years ago
wrongler

rrProfessor

Brewerton, New York

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That thing looks like the size of the Xxtreme. They must be pretty close in size. Nice heli, Good luck with the build and maiden!Bill Whittaker
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01-01-2013 10:50 PM  7 years ago
jschenck

rrProfessor

La Vista, NE.

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servos prep'd and motor/pinion mounted

There is a 450DFC inside the Trekker canopy on that 2nd photo in the first post

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01-03-2013 02:33 PM  7 years ago
chuck nowell

rrVeteran

beaumont texas

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i love my 800.i just installed the aps/gps gyro and its awsome.this heli is huge.good luck with yours.

chuck
E-Kavan
trex800
trex700
ma razor600
team visa
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01-11-2013 04:22 AM  7 years ago
jschenck

rrProfessor

La Vista, NE.

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Made some good progress tonight. Got the servo to swash linkages built, sized and installed. That always seems to take hours for me to get the servo wheels on at 90º then get the P/P links the exact same length and correct length. I'm happy with the setup to this point. Now I need to get the 3GX installed and start with the swash leveling and swash to grips setup.

I also finished up the canopy. Here is a couple of hints for those building the 700 or 800 that have the epoxied linkages.

1. I found that getting the aluminum endcaps on was kind of tough and they were not all even. fortunately I was using 30 minute epoxy so I had time. I put one end over the ball link pliers laid on their side, opening in the middle of the pliers then with some needle nose pliers pushed down on the other end. This squeezed the caps together, pushing them onto the CF rod. I then installed the ball links before it all dried and got them to the length per the manual. cleaned it with a rag and rubbing alcohol and let them sit over night.

STRONGLY recommend buying Align ball link install tool HOT0008

2. Before that Epoxy you mixed up for step one cures - I let it set up a bit then smeared it around the inside of the canopy around the holes. It was very thick when I did this. I then popped the black re-enforcements into the canopy holes. They kind of pop to get in there. Clean it with rubbing alcohol if you got any on the outside.

let that all sit over night, or more. Then installing the links and the canopy rubber grommets are easy.

nothing too exciting here but a few progress pix.

I haven't started the ESC install yet. That looks like it'll be a bit tricky. I haven't decided on the ESC to pack connectors yet. CC tech support suggested using 8mm bullet connectors. Everything I have is currently APP. I do think I'll put some type of resistor connection method to prevent the giant 50V spark filling up the caps. Just doesn't seem like that is good for the caps, certainly not good for the connectors. Still trying to decide if I want to install the CC CAP-PACK also

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01-11-2013 12:01 PM  7 years ago
rpat

rrElite Veteran

Weirton, W. Va.

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js,
I bet the wifey is real happy about yoour new work bench!!!!
trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2
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01-11-2013 03:06 PM  7 years ago
jschenck

rrProfessor

La Vista, NE.

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They have gotten used to it

besides it has just as much damage on that work surface from finger nail polish (and finger nail polish remover aka acetone) as it does from nitro fuel drips and CA. I usually try to tidy it up before going to bed so it's at least mostly out of the way for the morning breakfast.

Real issue is when I bring in my 50cc smelly airplane in there
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01-11-2013 03:37 PM  7 years ago
Pappy35

rrApprentice

Memphis, TN

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That's what I like about heli's: you CAN use the dining room table and not get sawdust, exopy, paint, etc. all over it.Al T
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01-11-2013 03:59 PM  7 years ago
BladeStrikes

rrElite Veteran

Shelby TWP,Mi

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jschenck
I haven't started the ESC install yet. That looks like it'll be a bit tricky. I haven't decided on the ESC to pack connectors yet.
Build is looking really good sir ..
If you didn't get the connectors yet,check out the PRC6 connectors from ProgressiveRC..
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01-14-2013 07:21 PM  7 years ago
n8rloves2fly

rrApprentice

omaha,ne USA

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Need to see more!
After seeing this heli I can't wait to see it finished it is awesome and I'm impressed with the size can't wait to see the progress. Great job your work is looking good as always.
P.S. hey I would love to come check it out think I could get in? I'd like to check out your 500!
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02-04-2013 03:19 AM  7 years ago
n8rloves2fly

rrApprentice

omaha,ne USA

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Are you done?
I'm ready for more progress or a maiden.
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02-05-2013 03:23 AM  7 years ago
jschenck

rrProfessor

La Vista, NE.

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I'll see if I can get some photos up soon. Frame is done, but I've been out of town this last weekend and too much work lately leaving not much hobby time other than bopping in out of RR.

I do have all the servos mounted and mechanical linkages done other than final adjustments.

One thing I still haven't decided on is the ESC connectors. I took a quick try on getting the bullet connectors onto the ICE160 to the motor but the bullet connectors are too small for the 8 gauge wire. I may swap the connectors out for larger ones on that side. Also figured out that my cheap 25W iron is no where near enough for this soldering job.

After that is should be pretty straight forward to get the 3GX mounted and setup. Then it should be ready for the first flight.
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02-05-2013 04:12 AM  7 years ago
n8rloves2fly

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omaha,ne USA

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Work horse
Been chatting with a few Trekker owners and it's not uncommon to pull some big # when it comes to amps, near 200. Sorry your busy with work don't worry you've got some time till flying season.
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03-05-2013 03:57 AM  7 years ago
jschenck

rrProfessor

La Vista, NE.

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Since the weather is threatening to turn reasonable around here I decided to finally finish this project - hope to finish it to maiden this weekend

Routing the wires seems to always be a pain. I don't seem to be able to create the museum quality installs I've seen pictures of here but this is turning out "not too bad"

The elevator servo wire was difficult to get in place where it wouldn't touch the motor. The ESC throttle lead was even tougher with the extension. I ended up shrink wrapping the tail servo and ESC lead extensions over the connectors to keep them from slipping.

I'm using the CC 6.5mm connectors from the motor to the ESC and from the ESC to the battery harness. I'll use EC5 from the harness to the packs. I plan on wiring in an anti-spark resistor supplemental connector.

3GX is next.

No room for the 2nd plate back here, the CC160 is BIG

ready for the 3GX

ESC throttle lead routing

Elevator servo routing

CC 6.5MM connectors - I'll use velcro strapps to hold them here
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03-05-2013 05:53 PM  7 years ago
n8rloves2fly

rrApprentice

omaha,ne USA

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Sweet
I've got one that needs to be maiden this weekend if your game. I can't wait to see the Trecker fly are you really going to get it done.
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