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 Nothing like GLR for your inaugural stint as a coach, lemme tell ya. - Kevin Sevcik [more] |
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Have been bored during spring break (lol) and decided to address and issue we had during the season. We found that the motors for a toughbox on the KOP gearbox kind of got in the way of our electronics. What I did was add a bevel gear (like a differential) to the stock VEX Pro ball shifter so that the motors will run along the frame not into the electronics board. There is still quite a bit to be done so this is not by any stretch a final product just I made enough progress I though I would share. Let me know what you guys think.
Discussion
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27-03-2014 17:11
cbale2000
Re: pic: Low Profile VEX Ball Shifter
Are those motors driving bevel gears or a worm gear?
EDIT: Nevermind, helps when you read the whole post. 
27-03-2014 17:46
Mitchell1714
Re: pic: Low Profile VEX Ball Shifter
This is really cool. This looks very similar to 192's gearbox from 2012. It might be useful to contact them on their design.
27-03-2014 18:34
JeremyLansing
Re: pic: Low Profile VEX Ball Shifter
Do you have any higher resolution photos or CAD models you are willing to share? I'm intrigued and would like to dig a little deeper into how you designed these.
27-03-2014 18:44
Dr.Gusta
Re: pic: Low Profile VEX Ball Shifter
I would be willing to post the CAD just as long as everyone knows this is still very much a work in progress and as it sits right now it will not work but the basic design is correct. I will pack up my files and upload them to google drive now.
27-03-2014 19:14
Dr.Gusta
Re: pic: Low Profile VEX Ball Shifter
Here is the link. My file origination is a mess right now but open Gear-box.iam and that should give you the most up to date assembly.
https://drive.google.com/file/d/0B7j...it?usp=sharing
27-03-2014 19:41
JeremyLansing
Re: pic: Low Profile VEX Ball Shifter
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Originally Posted by Dr.Gusta
Here is the link. My file origination is a mess right now but open Gear-box.iam and that should give you the most up to date assembly.
https://drive.google.com/file/d/0B7j...it?usp=sharing |
27-03-2014 23:55
Joey Milia
Re: pic: Low Profile VEX Ball Shifter
My first though was, what bevel gear are you using. More importantly have you found one you plan to use or is it still theoretical.
Having experimented with this kind of space saving, we eventually came to the concussion that the most efficient method is to flip the motors around. 971 did this in '12 and '13 and our ball shifting gearbox copied that this year. (The most similar example may be Texas torque's gearbox from last year, I believe it was a vex ball shifter with custom plates so the motors hung over the wheels)
That said, I really like this and the out of the box thinking behind it. It reminds me of the things I thought about when planning 192's '12 and '13 gearboxes. I've worked with right angle drives, the construction technics you seem to be using and bevel gears so let me know if you have any questions. 
28-03-2014 00:33
Dr.Gusta
Re: pic: Low Profile VEX Ball Shifter
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Originally Posted by Joey Milia
My first though was, what bevel gear are you using. More importantly have you found one you plan to use or is it still theoretical.
Having experimented with this kind of space saving, we eventually came to the concussion that the most efficient method is to flip the motors around. 971 did this in '12 and '13 and our ball shifting gearbox copied that this year. (The most similar example may be Texas torque's gearbox from last year, I believe it was a vex ball shifter with custom plates so the motors hung over the wheels) That said, I really like this and the out of the box thinking behind it. It reminds me of the things I thought about when planning 192's '12 and '13 gearboxes. I've worked with right angle drives, the construction technics you seem to be using and bevel gears so let me know if you have any questions. |
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