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  #221  
Old 03-10-2012, 06:56 AM
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Default Re: D8R +463 in 1/5,6

Fantastic details Dan.. let it weather itself, that's the best way of doing it.
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  #222  
Old 03-10-2012, 08:32 AM
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Default Re: D8R +463 in 1/5,6

Wow Dan, that interior looks super good! Well done!
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  #223  
Old 03-10-2012, 09:22 AM
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Default Re: D8R +463 in 1/5,6

Dan. The cab looks so realistic, I wouldn't mind running the dozer myself. Great work!!
Rob
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  #224  
Old 03-12-2012, 11:51 PM
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Default Re: D8R +463 in 1/5,6

Great job on the interior Dan. Looking forward to more photo's.

greg
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  #225  
Old 03-13-2012, 02:14 AM
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Default Re: D8R +463 in 1/5,6

This is just turning out awesome! The detail is incredible. Everytime I check this thread I am amazed even more. The shear mass of this model always slips my mind, until you stick you hand into the photo. I like it!
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  #226  
Old 03-15-2012, 04:01 PM
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Default Re: D8R +463 in 1/5,6

I have never looked inside a dozer but I bet this looks just like the real thing. Fantastic work!! Looking forward to seeing this one finished.
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  #227  
Old 03-15-2012, 06:18 PM
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Default Re: D8R +463 in 1/5,6

Amazing detail. Your range of great talent really shows on this model.

Very nice work!
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  #228  
Old 03-15-2012, 06:55 PM
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Default Re: D8R +463 in 1/5,6

Get you shipping crate ready for September Dan.
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  #229  
Old 04-15-2012, 06:13 AM
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Default Re: D8R +463 in 1/5,6

Steve, sorry to say but there will not be any shippment. The model will not be ready for any shows this summer. To much modelling time lost during last winter.

Thanks again for nice words, got me to do something more before starting working with my 1:1 Pete!

A small detail made. the covers on track frame


Had a seperate thread earlier, with a discussion about mufflers and "how to".
Started to build the first test muffler today, did go for a circular design instead of box. The idea of building a muffler is to get as nice as possible engine sound. The engine is a Honda 85cc 4-stroke so it will never sound like a 3406 but I will try to keep revs low (1500-2000rpm) and with a bigger volume in muffler, I hope to get better sound, time will tell. The outside of muffler is a 4mm steel tube, inside will be a smaller tube (not this one) with a lot of holes. The inner tube will be connected to stack placed as like original. Copper parts only to show proposed tubing to outlet.


The left side will be bolted to muffler so it can be opened and interior changed if sound is wrong. There will be support brackets between engine and muffler due to the much higher weight of muffler.


I think sound is really important, on a electrical operated model you can use available sound units (don´t know if a Cat 3406 is available). Another feature often over looked is correct speed. To many models are operated at a much to high speed (could be traveling speed, steering, hydraulic movements).
The best looking model can be ruined by being operated wrongly.
I have made calculations when designing the hydraulic drive line to get as correct speed as possible. When it comes to the other functions I will have bigger hydraulic lines for dozer control (higher speed in the real ones) but smaller lines for ripper (lower speed), all based upon observation on real ones.
Looking forward to start the engine to see what can be done on sound!
Dan
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  #230  
Old 04-18-2012, 02:51 PM
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Default Re: D8R +463 in 1/5,6

Hello D8R, been lurking around these boards for some time now, admiring the different builds. Have got to commend you sir for the detail put into your build. However, this is the second DXR dozer build that I've seen that has the driver seat not in line or parallel with the machine's axis. It's also true for the 1:1 I've checked. But can you or anyone else explain to me why it's designed like that?
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  #231  
Old 04-18-2012, 04:41 PM
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Default Re: D8R +463 in 1/5,6

it is designed like that for operator ease i beleive you can see the one side of the blade better than the other and easyer to look back other than just using a mirror this is one of the nicest bigger builds i have seen i can't wait to see it movin some dirt very cool model
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  #232  
Old 08-25-2012, 04:18 PM
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Default Re: D8R +463 in 1/5,6

Thanks for comments, have not posted any progress for some time, but here´s latest updates.

Muffler was completed but still needs some modification. Had to move engine a little back to get sufficient clearence towards engine compartment side plates. Couldn´t do this from beginning, had a big oil filter restricting how far back engine could come. Now with this gone engine was moved ~3/8" back.
The hole for exhaust stack is set by prototype so some minor change needed.
Will start and test new muffler within a couple of weeks. Vid coming!


New motorcycle air filter added instead of Honda filter. This gives a little more room inside engine compartment and can easily be replaced.



The drive sprockets has been like a black sheet for me, finaly took decision to let a pro company make them. They turned out very pricy but I´m still glad I did it. This way I could concentrate on other drive parts. Drive axle components has been made, hub reduction parts (mainly WARN parts and some home made) has been modified to fit, so now the drive line is READY




The track has finely got all bolts mounted, looks so much better now. All bolts was pressed into place instead of treading holes. See video
http://www.youtube.com/watch?v=x_jQ_...&feature=g-upl



The model has been almost totaly dismantled again to get some new paint, the old one was chiping off (something wrong with base paint, didn´t stick to the metal). Did use 1K paint that I have used for 1:1 machinery before, much easier to use than 2K, easier to refresh also. Vid:
http://www.youtube.com/watch?v=qjZQ1...re=context-gau
Will post pic later on the paint progress. Here a pic of some parts before painting. Do not have any nice garage to paint in so depending on weather (and we have had tons of rain this summer, can´t remember any other like it).


Model planned for a static display on a show next weekend, will most likely have decals also. Depending on how much time spent on my Peterbilt, the D8 should be up and running before christmas
Dan
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  #233  
Old 08-25-2012, 11:47 PM
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Default Re: D8R +463 in 1/5,6

It's good to see you working on the D8 again Dan and making forward progress too!

Why worry so much about perfect paint job when it will be quickly worn off when it comes to life in a few months?
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  #234  
Old 08-29-2012, 05:20 PM
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Default Re: D8R +463 in 1/5,6

When it´s new it should look like coming from factory, but that will be ruined after first dozing I guess. I´m not afraid of using it, the machine will be used in gardening work as first asignment.

Here some more pics


Parts drying inside workshop


Paintshop


Cab in yellow/black


Here´s the hub reduction put together




All parts except the big gear (custom made by HPC gears) holding the inner gear ring is from Warn winch. I´m using the 3rd step and winch capacity is much higher than torque from hydraulic motor


I´m happy how the tracks and hub finaly turned out. The 5 segments (not painted yet) will simulate how the drive sprocket is made in 1:1. Of course will all bolts be painted when finished. Runned out of the M4 with smaller heads.


Dan
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  #235  
Old 08-29-2012, 07:12 PM
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Default Re: D8R +463 in 1/5,6

This beast is looking really good!!! It,s hard to tell just how big this model is but when it is finished I'm sure we will get a good look and size comparison. You are doing a great job!!
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  #236  
Old 08-30-2012, 12:31 AM
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Default Re: D8R +463 in 1/5,6

I've been into r/c for 15+ years and scale trail/ Crawler rigs for 3 years and this is probably the best build and largest undertaking I have ever seen. Can't wait to see a vid of the dozer pushing . Thanks for posting. -Nick -
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  #237  
Old 08-30-2012, 01:13 AM
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Default Re: D8R +463 in 1/5,6

I'm really interested in the build you have here as I am currently in the planning process of a similar project. Mine will be a D9T in 1:5 scale with a diesel I6 and hydrostatic drive. Can't wait to see your's move, your thread is great really has given me a taste of what i'm in for.
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  #238  
Old 08-30-2012, 02:32 AM
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Default Re: D8R +463 in 1/5,6

I love the model so far verrrrry detailed **** thing looks like they shrunk a real D8 down
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  #239  
Old 08-30-2012, 03:54 PM
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Default Re: D8R +463 in 1/5,6

Quote:
Originally Posted by modelman View Post
This beast is looking really good!!! It,s hard to tell just how big this model is but when it is finished I'm sure we will get a good look and size comparison. You are doing a great job!!
Thanks, see below, comparison to a coke can

Quote:
Originally Posted by ngward79 View Post
I've been into r/c for 15+ years and scale trail/ Crawler rigs for 3 years and this is probably the best build and largest undertaking I have ever seen. Can't wait to see a vid of the dozer pushing . Thanks for posting. -Nick -
Thanks, will post vid as soon as I starts the engine!

Quote:
Originally Posted by hintzconst View Post
I'm really interested in the build you have here as I am currently in the planning process of a similar project. Mine will be a D9T in 1:5 scale with a diesel I6 and hydrostatic drive. Can't wait to see your's move, your thread is great really has given me a taste of what i'm in for.
With what I know today, I would concider an alternative to hydrostatic. But, I don´t have bad expirience yet from it but it´s a nightmare to get everything to fit inside body. A D9 and in scale 1:5 will make it a little easier, bigger machine, bigger scale. You will need all room for a oil tank as big as possible. I very exited to see how it works when finished.

Quote:
Originally Posted by speedy8305 View Post
I love the model so far verrrrry detailed **** thing looks like they shrunk a real D8 down
It was my intention from beginning that machine should look like a real one, compromising done inside where nobody can see.

Did put the test decals on today, will be changed to vinyl ones later






Comparison with a coke can (note: capacity in oil tanks is more than 2 gallons, 9,5L metric)


Blade vs coke can


Will have some more pics from exihibition this weekend later, when machine is with blade.

Model finished? No way, if I should make notes of what´s still to be done I guess it´s more than 100 points
But to see it from the bright side, I´m closer than ever

Have a nice weekend
Dan
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  #240  
Old 08-30-2012, 05:37 PM
Azonic Azonic is offline
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Default Re: D8R +463 in 1/5,6

That looks so good, what show are you going to?

You making some great progress now Dan!
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1/5.6, big scale, cat, d8r, dozer


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