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-   -   Diffrent Transmission Advantages (http://www.chiefdelphi.com/forums/showthread.php?t=70577)

Kims Robot 17-12-2008 17:13

Re: Diffrent Transmission Advantages
 
Quote:

Originally Posted by Cory (Post 784036)
Do they work in the right situation? Sure? Would we use them again in that situation? Yes, but we'd prefer to use something else if we had a choice.

I would personally have to disagree, although I didnt work with the exact transmission you were talking about. We have used the banebots transmissions successfully in our last two robots for the drivetrain. We used the dual-CIM gearbox and transmission setup both times. When they were first introduced we never actually had problems, but did elect to change out the transmissions with the new replacements that were sent. But again, we never saw problems ourselves. This past year we had great success with them, and saw absolutely zero issues with our drivetrain. We like them a touch better because they are low to the chassis (AM are taller), and also just because we spent a lot of time getting familiar with them, and they worked with encoders that we knew and trusted. Switching sensors was not something we wanted to do last year, and proved to our benefit as our programmers already had experience. I dont have enough experience with the AM's to compare the two, but while everyone seems to remember the Banebots issues when they first came out, I know the AM's had the cracking issue too... all engineering really needs to be really beaten on by a lot of people before you find the true issues.

That said, in my experience both have exceptional customer service. We called up banebots to order our transmissions last year and they told us about all the improvements they made and asked us a good deal about how we used them. On top of that we were buying the encoders, and they were in the middle of trying to improve them as well as make them cheaper, and asked me a whole bunch of questions on what I needed out of them, what types of resolution I would need to see, how did we use them etc. I was very thrilled that they were very interested in what their customers wanted and were actively working to improve their products. I also happen to know that AM does the same. We bought their plastic omni wheels in our second year, and while they worked beautifully, they started cracking right at the end of our build season. Andy worked with us to figure out the problem and get us replacement parts, and we tested several different parts for him. We have bought the metal omnis since then and havent seen a single issue.

In my mind, look at what you are designing, see what space and weight limits you have, and buy the transmission that fits your design.

Seth Mallory 27-12-2008 11:50

Re: Diffrent Transmission Advantages
 
For years the students on 192 have designed and built their gear boxes. Some times one speed and some times two speed. Both types have their advantages and disadvantages. Most years the gear boxes are bullet proof and some years not. The lessons that they learn in the designing and building them are far reaching. They learn even more life lessons the years things go wrong and they struggle to correct in very limited time. Also with 40 or so team members they need the jobs it provides to help keep people busy. The last point is that it is the students robot and if they wanted to buy gear boxes they would but it is a matter of pride to design and build their own. We do for the students growth and not the robot.


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