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Search took 0.01 seconds; generated 55378 minute(s) ago. Search: Posts Made By: SteinHDan
Forum: Construction Equipment 06-08-2016, 08:22 AM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

This is now the code on the motor controllers, that has the new current limiting, position reporting and position end limits, acceleration and variable braking.

You don't need to understand any of...
Forum: Construction Equipment 06-06-2016, 04:04 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

You can try the visualization on your own PC by clicking on this link:
- http://d1t2tbzmskak12.cloudfront.net/cat-excavator/visualization/index.html
...
Forum: Construction Equipment 06-05-2016, 03:19 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

The angle sensors are now in place and I've added the code in the motor controllers to:
- Read the angle sensors
- Set a max movement limit
- Set a min movement limit
- Set a customizable...
Forum: Construction Equipment 06-01-2016, 01:38 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

On this site you can find specs for most types of construction equipment:
- http://www.ritchiespecs.com/

For example, you can find the specs for this model, the CAT 390F:
-...
Forum: Construction Equipment 06-01-2016, 06:51 AM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

I'm working on the house body now, and even though I wrote this in another thread already, it really belongs in this thread.

To try to get the right dimensions on all the small scale features, I...
Forum: Construction Equipment 05-31-2016, 05:52 PM
Replies: 5
Views: 3,489
Posted By SteinHDan
Re: 1:10 Scale articulated Dump truck Plastic.

I wish Bruder had an articulated hauler model. :-)
Forum: Construction Equipment 05-31-2016, 05:50 PM
Replies: 5
Views: 3,489
Posted By SteinHDan
Re: 1:10 Scale articulated Dump truck Plastic.

I'm quite interested in an articulated hauler body parts model too. I'm thinking of doing one as my next project.

But this model looks a bit small. If the length of the model is 40 cm, then at...
Forum: Construction Equipment Tech 05-26-2016, 01:10 PM
Replies: 3
Views: 1,898
Posted By SteinHDan
Re: a scale starting point

I typically try to find a couple of measurements from a spec sheet, and then scale a photo or diagram as a canvas in fusion 360 to match the known sizes.

E.g. from the spec sheet of the CAT 390F...
Forum: Construction Equipment Tech 05-25-2016, 02:45 PM
Replies: 7
Views: 2,923
Posted By SteinHDan
Re: The ideal excavator transmitter

Hi,

We could keep it simple in the beginning, with maybe with just the channel mixing setup on the display.

But what would your ideal positions for the track controls be? Are the levers on the...
Forum: Construction Equipment Tech 05-22-2016, 03:23 PM
Replies: 10
Views: 4,427
Posted By SteinHDan
Re: good dozer gear motor

Bear in mind that a 3S LiPo battery only has an average voltage of 11.1 volts, but when it's full it's 12.6 volts and when it's completely empty it's 9.0 (but you shouldn't drain it that low). If you...
Forum: Construction Equipment 05-22-2016, 01:53 PM
Replies: 24
Views: 9,624
Posted By SteinHDan
Re: New Premacon 956...finally after 1 year!

I made a separate thread for the roll-your-own-transmitter approach if anyone's interested in discussing it:
- http://rctruckandconstruction.com/showthread.php?p=144220
Forum: Construction Equipment Tech 05-22-2016, 01:50 PM
Replies: 7
Views: 2,923
Posted By SteinHDan
The ideal excavator transmitter

What would be the ideal controller for an excavator if you could dream one up?

I'm using the front analog triggers and the front buttons with my index and middle fingers to reverse the direction...
Forum: Construction Equipment 05-22-2016, 01:30 PM
Replies: 24
Views: 9,624
Posted By SteinHDan
Re: New Premacon 956...finally after 1 year!

What would be the ideal controller for an excavator if you could dream one up?

I'm using the front analog triggers and the front buttons with my index and middle fingers to reverse the direction...
Forum: Construction Equipment 05-19-2016, 04:34 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

Thank you for those kind and encouraging words, Tk421reporting!

I'm looking forward to following your build!

Stein :-)
Forum: Construction Equipment 05-09-2016, 10:05 AM
Replies: 10
Views: 4,388
Posted By SteinHDan
Re: Huddig 1260 articulated backhoe loader build

I can highly recommend Autodesk Fusion 360. I've worked with it for about a year now, and it doesn't stop to surprise we with even more features or smarts ways to work with models.
It's completely...
Forum: Construction Equipment 05-08-2016, 12:14 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

Thanks, BigFord and MarkTurbo! :-)

Stein :-)
Forum: Construction Equipment 05-08-2016, 11:53 AM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

Hi Crusher!

I used the Spur gear generator add-in in Fusion 360 to generate the gear, but there are also many online generators:
- http://geargenerator.com/
-...
Forum: Construction Equipment 05-07-2016, 09:58 AM
Replies: 81
Views: 40,837
Posted By SteinHDan
Re: Bucyrus Erie 40H Excavator 1:14

Cool!! I can't wait!

Stein :-)
Forum: Construction Equipment 05-03-2016, 03:53 PM
Replies: 35
Views: 23,609
Posted By SteinHDan
Re: Caterpillar 990H - 1:14.5

That 3D print was very nice. What machine are you using?

SteinHDan :-)
Forum: Construction Equipment 05-03-2016, 02:56 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

Added angle sensor to the bucket.

The bucket angle sensor attaches in the same way as the stick angle sensor, but the cover is different. Its only purpose is to hold the sensor in place and...
Forum: Construction Equipment 05-03-2016, 02:50 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

Thanks, Trucker Al!

I really like this forum. The positive atmosphere and the combined competence of everyone here fuel many of the builds, I think.


Best regards,
Stein :-)
Forum: Construction Equipment 05-02-2016, 05:05 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

I've had one issue with the operation, and that is that I need some way to stop the motors at the end of travel. I could have done this with limit switches like I did for my MAN truck build:
-...
Forum: Construction Equipment 05-01-2016, 07:01 AM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

I also added a gas spring to the bucket, mostly for the visual appearance as the bucket is already way more powerful than it needs to be.

The spacers are made the same way as previously, cut tube...
Forum: Construction Equipment 04-30-2016, 04:13 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

I added a gas spring from the boom to the stick. I only found the correct length, stroke and force on Aliexpress:

- 6kg (60N) gas spring: http://www.aliexpress.com/snapshot/7601366858.html

The...
Forum: Construction Equipment 04-30-2016, 03:52 PM
Replies: 164
Views: 142,032
Posted By SteinHDan
Re: 90 ton 1/14 metal excavator scratch build w/embedded PC

Bolting together the arm

The arm sandwich of 3mm aluminum sheets with 3D-printed ABS in the middle is held together by 34 M4 countersunk stainless steel bolts and sleeve nuts.

There are...
Showing results 101 to 125 of 188
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