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Search took 0.00 seconds. Search: Posts Made By: Originalrob
Forum: Construction Equipment 08-01-2024, 01:58 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi Everyone

still working on this project to get its pushing dirt but as always life gets in the way ! anyway more determined than ever to get this done as people who have seen it really want to...
Forum: Construction Equipment 05-15-2023, 02:22 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi everyone!
Wow I can’t believe it’s been so long. Life gets in the way too much now but I’m determined to get this done !

Just finalising the rams for the tilt on the blade and should be...
Forum: Construction Equipment 01-24-2022, 08:02 AM
Replies: 36
Views: 6,161
Posted By Originalrob
Re: 1/10 Mining Dump Truck

Wow what a great scratch build !

Keep up the good work !
Forum: Construction Equipment 05-10-2021, 06:29 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi all,

Had a bit of time over the weekend so put together the steel for the ripper and installed to test out the weight balance.

https://i.postimg.cc/hPVDNKK4/1.jpg...
Forum: Construction Equipment 05-03-2021, 08:09 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

HI Ken

i think your right, i added some crude weight to the back and its rolling a lot better on the tracks now. Plus i added some stiffer rate springs to the tensioner and that seems to help as...
Forum: Construction Equipment 03-21-2021, 01:25 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Thanks Ken/Egronwold

It’s been a such a long process with limited time to work on it but I can’t wait to get it to a point where I can push some dirt around! I have promised myself this summer...
Forum: Construction Equipment 03-21-2021, 01:09 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Smile Re: Newbie Scratch Build - D575A Dozer

Hey !

So had a bit of free time this afternoon and weighed it up as I need to think about the balance issue that’s causing it’s to sit on it’s front idlers. I don’t know what happened but...
Forum: Construction Equipment 03-20-2021, 06:47 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

So put everything together to see how it works.

The weight of the blade in the raised position seems to move the balance and pivot point towards the front idlers and there is a bit of slack in...
Forum: Construction Equipment 03-20-2021, 06:36 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi Everyone,

Little bit of progress since last time :

Making a blade and hydraulic ram pivots:

https://i.postimg.cc/kgm6bbzY/B1-A5-D9-DA-F33-D-4-FDB-9929-CAAF6-C53-ED39.jpg...
Forum: Construction Equipment 01-06-2021, 08:18 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi Frizzen

that's a good shout ! I might have to go back an do all the screws to be on the safe side.

So I have started working on the blade and push arms(?).

I had an arm 3d printed ages...
Forum: Construction Equipment 01-02-2021, 11:42 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi everyone !

First test video..... actually the first test at my mates allotment went ok until the set screws holding the gears to the axle gave up the ghost after 10 mins. So beefed them with...
Forum: Construction Equipment 12-29-2020, 07:01 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi !
Really appreciate the kind comments :)
Ideally I would to have liked to rotate each motor 90 degrees so that the motor shaft connected straight onto the sprocket but the space inside didn’t...
Forum: Construction Equipment 12-29-2020, 05:35 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi Zabco

the total length will be about 850 mm and the blade is 460mm wide (think its a coal blade). depending on a test on how it pushes dirt I may have to opt for a smaller blade width. ill see...
Forum: Construction Equipment 12-28-2020, 05:53 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Which brings us back to electronics !

So i did have this running ( up off the tracks on a stand) using a 2x32a Sabertooth controller from my openTX transmitter ( Radiomaster 16 channel) and it ran...
Forum: Construction Equipment 12-28-2020, 05:06 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

For a bit of a break from all the hand cranking operations on the mill and lathe i also started on 3D printing the cab and top elements that had no structural importance and were just for show.
...
Forum: Construction Equipment 12-28-2020, 04:50 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

opps !

After several trial configurations i have settled on this:

https://i.postimg.cc/yYtM73ZY/IMG-6222.jpg (https://postimg.cc/6yVj03cD)

i found the bevel gears wanted to push each other...
Forum: Construction Equipment 12-28-2020, 04:37 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi Everyone

its been ages since i have updated my progress on the dozer but its been a crazy year and progress has been patchy.

This is basically where i have got to since the summer:
...
Forum: Construction Equipment 12-22-2020, 04:06 AM
Replies: 45
Views: 10,098
Posted By Originalrob
Re: Liebherr R984 1:14

Wow !
What a beautiful piece of workmanship, I am just starting out and can only dream of making stuff like you can !
Congratulations on an amazing project ����
Forum: Construction Equipment 09-29-2020, 03:09 PM
Replies: 11
Views: 3,630
Posted By Originalrob
Re: Kobelco SK850LC - 3D print

Hi !
Wow what a great model and I love how smooth and seemingly powerful it is !
I’m in the process of scratch building a dozer and after seeing your videos I’m thinking about not going the...
Forum: Construction Equipment 05-10-2020, 05:56 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Mind dump incoming !

from my limited experience these are the following things I have learned that have made the most difference:

Get a DRO ! - its all about making parts that are repeatable !...
Forum: Construction Equipment 05-10-2020, 05:28 PM
Replies: 77
Views: 20,451
Posted By Originalrob
Smile Re: Newbie Scratch Build - D575A Dozer

Yes totally agree ! and if I remember correctly it was a reason I started my own thread - to share my learning experience :) so I will keep true to this and add in my limited experience in this...
Forum: Construction Equipment 05-09-2020, 04:29 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Sorry about the photo bombing :eek: didn't realise I had done that many !

https://i.postimg.cc/MZd1pK4V/IMG_4204.jpg (https://postimg.cc/Wtqd9js1)

https://i.postimg.cc/L6WfjQms/IMG_4495.jpg...
Forum: Construction Equipment 05-09-2020, 04:19 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

https://i.postimg.cc/fbwbwkjc/CFAQ5583.jpg (https://postimg.cc/LJbSD9W5)
https://i.postimg.cc/QCVsFTH7/BPSL8515.jpg (https://postimg.cc/gL915ryc)
https://i.postimg.cc/FssGJxr8/CNBU1438.jpg...
Forum: Construction Equipment 05-09-2020, 04:11 AM
Replies: 77
Views: 20,451
Posted By Originalrob
Re: Newbie Scratch Build - D575A Dozer

Hi All

Hope everyone is safe and well !

Its been a wee while since I last posted any updates but I have been busy honing my skills and completing parts that just take ages (undercarriage).
...
Forum: Construction Equipment 04-24-2020, 02:41 AM
Replies: 99
Views: 20,015
Posted By Originalrob
Re: Cat 340D Excavator build

Looking great ! your progressing very well and will be digging soon !

keep up the good work :)
Showing results 1 to 25 of 54
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