Forum: General Discussion
04-21-2012, 09:02 AM
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Replies: 3
Views: 1,461
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Forum: General Discussion
04-20-2012, 02:12 PM
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Replies: 3
Views: 1,461
Drive motors
Hi I purchased a couple of geared drive motors for the tracks of my build, does anyone know how to tell if these motors are brushless or not ?
Thanks
Terry
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Forum: Construction Companies & Worksites
04-13-2012, 12:44 PM
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Replies: 668
Views: 481,681
Re: RCLogger
Thanks Greg, i will try it that way. Disregard my pm to you, same question, not sure how to get ahold of you to ask.
Terry
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Forum: Construction Companies & Worksites
04-11-2012, 08:24 PM
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Replies: 668
Views: 481,681
Re: RCLogger
Greg I read in your post that you use teflon for the track chain to slide on. Could you elaborate a bit. Are the rollers that show just the outside profile of a roller with the teflon mounted to the...
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Forum: General Discussion
04-11-2012, 07:10 PM
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Replies: 2
Views: 1,453
Re: Track roller shape?
Thanks Rob, can you tell me a little more about the teflon idea, is it just fitted into the roller slots leaving the rollers stationary while travelling, and how is it held in place ? Appreciate any...
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Forum: General Discussion
04-11-2012, 12:54 PM
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Replies: 2
Views: 1,453
Track roller shape?
For lower track rollers, what shape do you guys use? Do you shape them like the full size roller or do you shape with a raised center portion to go into the chain?
I am using #35 roller chain....
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Forum: General Discussion
04-06-2012, 09:11 PM
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Replies: 4
Views: 1,546
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Forum: General Discussion
04-06-2012, 07:58 PM
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Replies: 4
Views: 1,546
Re: Cat 330B track rollers
I am starting the undercarriage, not much to show yet, l have one track frame with the spring loaded idler mounted, am ready to start turning the track rollers. The machine will hopefully be Cat 330B...
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Forum: General Discussion
04-06-2012, 03:58 PM
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Replies: 4
Views: 1,546
Cat 330B track rollers
Hi, can anyone give me a 1:14 size for the lower track rollers on the above excavator? I don't have anything to scale it from.
Thanks
Terry
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Forum: General Discussion
03-31-2012, 03:17 PM
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Replies: 3
Views: 1,434
Re: Undercarriage question
Thanks Reg, l saw your awesome build. I dont own a tig but l do have a small mig, l am going to try making the tabs and spotting them on. Will post a pic if it works out. Time l have, money not so...
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Forum: General Discussion
03-31-2012, 11:42 AM
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Replies: 3
Views: 1,434
Undercarriage question
Hi, does everyone here buy the K1 chain for tracks or are there alternatives to building scale steel tracks. The only source I have near is Viking chain, given to me by rclogger, they will sell...
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Forum: General Discussion
03-27-2012, 08:36 PM
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Replies: 4
Views: 1,788
Re: What motor control?
Thanks for the reply, I am building 1:14 scale, as far as weight don't know yet, but I will be building out of steel, so may be fairly heavy.
Terry
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Forum: General Discussion
03-27-2012, 07:57 PM
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Replies: 4
Views: 1,788
What motor control?
Hi, I have ordered two motors for track drive on cat330b, they are 12v dc, 15rpm, no load 80ma,stall 600ma, 250n*cm torque (354 oz in.) I need help on deciding what to buy for a controller, would...
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Forum: General Discussion
03-26-2012, 04:21 PM
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Replies: 3
Views: 1,546
Re: Need info on track drive motors
Thanks for the replies, I expect it will be fairly heavy, but I can't even guess at this stage, it will be built from steel. I am looking at one on servocity, 20 rpm with 375 oz in. That seems to be...
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Forum: General Discussion
03-26-2012, 03:05 PM
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Replies: 3
Views: 1,546
Need info on track drive motors
Hi, I am starting a scratch build of a Cat 330b 1:14 scale, I am ready to order track drive motors, I have no idea what size, make etc. to purchase, I have been looking on the Pololu site. I want...
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Forum: Construction Equipment Tech
03-22-2012, 03:26 PM
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Replies: 8
Views: 3,036
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Forum: Construction Equipment Tech
03-22-2012, 11:42 AM
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Replies: 8
Views: 3,036
Re: OK I'm hooked
Thanks for your reply Nathan, can you give me a lead on these track motors or where to look?
Terry
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Forum: Construction Equipment Tech
03-21-2012, 02:57 PM
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Replies: 8
Views: 3,036
Re: OK I'm hooked
Thanks Greg, I will look at your build, I would like to use alum for its ease of cutting etc. but I don't want the machine to bounce around too much so thought using steel would give weight to look...
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Forum: Construction Equipment Tech
03-21-2012, 12:30 PM
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Replies: 8
Views: 3,036
OK I'm hooked
Hi I am going to attempt a scratch build of a Cat 330b, 1-14 scale, I have researched what I could find and have ordered a parts manual on ebay, my first question is does anyone have a drawing or...
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Forum: General Discussion
03-16-2012, 04:23 PM
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Replies: 2
Views: 1,135
K1 brackets
Hi, in one of the posts they talk about K1 brackets to mount pads to on track machines, I am new to this, can anyone tell me what they are and if they can be purchased or do you make them up?
Thanks...
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Forum: General Discussion
03-12-2012, 07:14 PM
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Replies: 5
Views: 2,782
Re: Scratch build materials
Thanks for the replies, I have the tools and equip for either aluminum or steel and can usually find it, the aluminum is a lot nicer to work with but I wonder if the model would turn out too light...
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Forum: General Discussion
03-12-2012, 03:25 PM
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Replies: 5
Views: 2,782
Scratch build materials
Hi, what do you guys use primarily when scratch building an excavator or dozer, Do you use steel or aluminum, also on the cab parts especially excavators do you use metal or plastic. I am new to...
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Forum: General Discussion
03-10-2012, 06:25 PM
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Replies: 18
Views: 4,790
Re: Scraper videos
Thanks very much for all the posts and videos, it looks like traction could be a problem especially with single engine units. Your replies have helped me in deciding what I want to build. Back to the...
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Forum: General Discussion
03-10-2012, 09:41 AM
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Replies: 18
Views: 4,790
Re: Scraper videos
Thanks gordon0803, they seem to work well when towed, I wonder about traction on a wheel powered machine.
Terry
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Forum: General Discussion
03-09-2012, 04:29 PM
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Replies: 18
Views: 4,790
Re: Scraper videos
Thank you modelman, I am new to the forum and didn"t realize I was in the wrong section, my question was serious, I have spent many hours researching everything RC. and was looking for a video of an...
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