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Search took 0.01 seconds; generated 43952 minute(s) ago. Search: Posts Made By: motocrawler
Forum: Construction Equipment 12-30-2013, 11:30 AM
Replies: 31
Views: 28,388
Posted By motocrawler
Re: Bruder D11

The range of motion is perfect, it travels exactly to the physical stops/limits on the model. I am using metal gear servos on each side so it is plenty strong it has an approximate combined torque...
Forum: Construction Equipment 12-30-2013, 03:04 AM
Replies: 31
Views: 28,388
Posted By motocrawler
Re: Bruder D11

So I got to working on the blade lift. I decided to use servos tucked into what would be the track tensioner.

http://i1260.photobucket.com/albums/ii561/shahrestani/P1013119.jpg...
Forum: Construction Equipment 12-28-2013, 11:43 PM
Replies: 31
Views: 28,388
Posted By motocrawler
Re: Bruder D11

I agree the dozer will not be to scale speed but I had these motors kicking around so I figured I would use them. I can always adjust the EPA's on my radio to scale the speed back. Plus I have so...
Forum: Construction Equipment 12-28-2013, 01:08 PM
Replies: 31
Views: 28,388
Posted By motocrawler
Bruder D11

I've had the new Bruder D11 model sitting on the shelf for a while and finally I had enough time to tackle the conversion. I have to say that the level of detail on this model is quite impressive...
Forum: Metal forming & tools 12-20-2013, 11:24 PM
Replies: 12
Views: 7,336
Posted By motocrawler
Re: Endmills

I get my end mills from two places in the lower mainland. I find busybee tools has good endmills at good prices and Thomas skinner has the real nice high end bits. I would invest in a nice set of...
Forum: Construction Equipment Tech 12-03-2013, 12:01 AM
Replies: 5
Views: 2,937
Posted By motocrawler
Re: diy hydraulic cylinders

Check out clippard they make single and double action hydraulic cylinders, they range in price from $20-30. You couldn't make it for that cheap, and they work great!
Forum: Construction Equipment 11-16-2013, 10:06 PM
Replies: 11
Views: 6,409
Posted By motocrawler
Re: Future plans and help

For geared motors check out Pololu and robot marketplace. I typically run a direct drive via a hub to the wheels. However, I have just recently started using Traxxas bevel gears to make geared ...
Forum: Construction Equipment 08-28-2013, 06:46 PM
Replies: 5
Views: 5,257
Posted By motocrawler
Re: Bruder Skid Steer Conversion

Here is a video of it working in the yard. Operator needs to get a little smoother with the controls, I spent about 1.5 hours yesterday digging, making roads, etc on a 1100mah battery. This is too...
Forum: Construction Equipment 08-28-2013, 04:58 PM
Replies: 5
Views: 5,257
Posted By motocrawler
Re: Bruder Skid Steer Conversion

Thats great to know! I actually cut the ends of the zip ties at 45 degree angles and reduced their width and that has really helped as well.
Forum: Construction Equipment 08-26-2013, 06:01 PM
Replies: 5
Views: 5,257
Posted By motocrawler
Re: Bruder Skid Steer Conversion

Here are some final finished pictures and a video will come shortly. So impressed with how steep an angle it can climb. A few things I need to change to are: a more powerful lift boom servo and...
Forum: Construction Equipment 08-26-2013, 05:55 PM
Replies: 5
Views: 5,257
Posted By motocrawler
Re: Bruder Skid Steer Conversion

From there I went to work on the propulsion system. I used 298:1 geared motors soldered to the circuit board of a hi-tec continuous rotation servo. I then used a v-tail mixer from rc planes to be...
Forum: Construction Equipment 08-26-2013, 05:42 PM
Replies: 5
Views: 5,257
Posted By motocrawler
Bruder Skid Steer Conversion

I have been really digging (no pun intended) doing these Bruder conversions, I am so impressed that with a little will and good equipment how functional these models can become. This time around I...
Forum: Construction Equipment 01-09-2013, 01:34 PM
Replies: 181
Views: 99,974
Posted By motocrawler
Re: 4 Hour Bruder Dozer

Well done! I have done a similar conversion but I used the wheels closest to the blade as my drive wheels. If you look at the track you can see that the wheel provides the most surface area against...
Forum: Construction Equipment 09-25-2012, 09:31 AM
Replies: 21
Views: 36,941
Posted By motocrawler
Re: Bruder Liebherr 574 Conversion

Here are some final finished shots of the loader.

http://i1260.photobucket.com/albums/ii561/shahrestani/P1012440.jpg

http://i1260.photobucket.com/albums/ii561/shahrestani/P1012438.jpg
...
Forum: Construction Equipment 09-25-2012, 02:57 AM
Replies: 21
Views: 36,941
Posted By motocrawler
Re: Bruder Liebherr 574 Conversion

Here is a quick video of the test run...still need to get use to the controls and get a smoother speed controller...but she is powerful.
...
Forum: Construction Equipment 09-25-2012, 02:53 AM
Replies: 21
Views: 36,941
Posted By motocrawler
Re: Bruder Liebherr 574 Conversion

Once I got the rear axle in I worked on the motor and transmission. I made these aluminum motor mounts

http://i1260.photobucket.com/albums/ii561/shahrestani/P1012393.jpg

With motor mounted
...
Forum: Construction Equipment 09-25-2012, 02:45 AM
Replies: 21
Views: 36,941
Posted By motocrawler
Re: Bruder Liebherr 574 Conversion

The next step in the process was figuring out how to make the articulated portion of the loader work. As easy as the photos make it seem I actually spent a lot of time trying to figure out what would...
Forum: Construction Equipment 09-25-2012, 02:31 AM
Replies: 21
Views: 36,941
Posted By motocrawler
Re: Bruder Liebherr 574 Conversion

Step 2: Figure out how to connect the linear actuators to make the boom and bucket work properly. I started by cutting and drilling a hole at the bottom of the boom chassis.
...
Forum: Construction Equipment 09-25-2012, 02:22 AM
Replies: 21
Views: 36,941
Posted By motocrawler
Bruder Liebherr 574 Conversion

Hi guys!

Just wanted to introduce myself, and say I have been lurking around this site for the last month and have been soaking up all the amazing information. I thought I would post up my Bruder...
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