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Die-Cast Conversions Tech. The tricks of installing drive line and electrical components into die-cast models.


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  #1  
Old 06-12-2014, 08:27 PM
1/50diecast 1/50diecast is offline
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Default Komatsu D475A Bulldozer 1/50 diecast

Just had to try building this dozer. Im still working on it
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Ill have some video soon. All i really have to say about building this is get the model you want to build, then take measurements of the what your going to build. Then get batteries, motors and esc's and receiver that will fit. This 1/50 scale is a little bit on the small size.
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Old 06-12-2014, 08:36 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

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Old 06-12-2014, 08:43 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

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Old 06-12-2014, 08:45 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast


My video just click the picture.
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Old 06-12-2014, 10:29 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Wow! will be following this micro project.
Cheer's, Neil.
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Old 06-13-2014, 10:03 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Well unfortunately the 2 servos i salvaged from an old rc sabre helicopter that crashed and burned, wasn't compatible with the GWS 4 channel receiver. Other i get some GWS servos and lift the rock ripper and lift the front blade. I was also thinking of getting firgelli actuators and be able to have a tilt on the front blade, but i wouldn't have a ripper control.
I got to say this dozer has some push!!!
Click the picture it a video.
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Old 06-13-2014, 10:11 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

I also need to make a skid plate chassis so the guts dont spill out, it was necessary to cut the bottom out to make some room for the battery and esc and the receiver.
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Old 06-13-2014, 11:19 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Cool!
Cheers, Neil.
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Old 06-15-2014, 11:29 AM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

That's really cool! Makes me want to try and convert a 1/50 diecast construction model so I can run it on my O scale 1:48 shelf layout.
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Old 06-15-2014, 10:51 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Yeah, i plan on converting a dumptruck and a loader at some point. Its just a little expensive to do this, so far this dozer has cost me $320 but im happy with it so far!
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Old 06-15-2014, 11:01 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

It was tricky but managed to cram everything into the dozer, now i just have to mount the blade to the servos and i should be done!
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Old 06-15-2014, 11:05 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

My shiny new skid plate
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Old 06-16-2014, 11:29 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Well dirt does clog the links, i think ill try running it in potting soil. Got the blade working. Now i just need to make linkage to the ripper. Then some touch up and it will be done.

https://www.youtube.com/watch?v=IxuX...e_gdata_player

Last edited by 1/50diecast; 06-16-2014 at 11:47 PM.
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Old 06-17-2014, 09:50 AM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

pretty sweet ride very tedious wrk
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Old 06-17-2014, 02:27 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Yes it is, the hardest think is cramming all the electronics in the dozer.
Thanks for all the complements guys
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Old 06-18-2014, 11:20 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Well im not digging the servos lifting the blade, i have to hold the channel to keep the blade up or down. So i am thinking of a new approach ill lift the blade with a motor with a screw and nut and another esc.
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Old 06-20-2014, 12:36 AM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Ok spent the day looking for micro linear ball drive motors, but they only sell to manufacturing companies, so im out of luck. Time to build my own!
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Old 06-20-2014, 12:46 AM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

My thoughts are to use a micro motor for micro helicopters tails motors... connect it to a vary small bold the size as the motor shaft and couple it and then couple the bolt with another shaft in a shaft that covers the motor that looks like a hydraulic piston.
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Old 06-20-2014, 12:52 AM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Its going to get interesting
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  #20  
Old 06-23-2014, 07:28 PM
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Default Re: Komatsu D475A Bulldozer 1/50 diecast

Have you considered converting a servo to 360' full rotation, then the esc is built in.
http://rctruckandconstruction.com/sh...egree+rotation
Cheers, Neil.
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