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Search took 0.01 seconds. search: Posts Made By: jeremylee
Forum: Extra Discussion 09-11-2016, 08:18 PM
Replies: 19
Views: 3,304
Posted By jeremylee
Re: pic: VersaDrop GrassHopper Drive

When we did our h drive in recycle rush, we found the adjustment of down force on the center wheel critical to dial it in. I think another drop module connected to a dedicated pressure regulator...
Forum: Technical Discussion 05-20-2016, 11:39 PM
Replies: 77
Views: 8,416
Posted By jeremylee
Re: Is Welding Worth It?

We had problems in past with riveted joints coming loose over time. We have since switched to Avex 1661 series rivets in 5/32 and 3/16 sizes with proper sized drill bits that we keep stored in our...
Forum: Technical Discussion 05-13-2016, 06:15 PM
Replies: 28
Views: 3,494
Posted By jeremylee
Re: Swerve vs Wheeled Tank

Some WCD additions that accomplish both:
2 speed (auto shift)
Current limiting
Path planning with encoders and gyro (Math and PID fun)
Vision assisted aiming
PTO
Octocanum
Forum: Technical Discussion 05-12-2016, 02:42 PM
Replies: 178
Views: 18,599
Posted By jeremylee
Re: What COTS parts would you like to see?

217-2733 from Vex?

But in hex.. I like it
Forum: Technical Discussion 05-12-2016, 12:08 AM
Replies: 178
Views: 18,599
Posted By jeremylee
Re: What COTS parts would you like to see?

VersaBlock with 1/4" drop when flipped allowing drop combinations of the following when mixed with the current 1/8" flipped:

1/16", 1/8", 3/16", 1/4"
Forum: Technical Discussion 05-09-2016, 10:02 PM
Replies: 32
Views: 4,652
Posted By jeremylee
Re: Waterjet vs. Manual Build Process?

I'm also interested in what you were able to use the X-carve for aluminum wise. Were any modifications made to it to get the accuracy you were looking for?
Forum: IT / Communications 04-03-2016, 10:35 AM
Replies: 18
Views: 1,643
Posted By jeremylee
Re: Looking for Last Minute Fixes on a Possible "Comm" Error

We had a couple qual matches where we were dropping close to 100% of packets at times confirmed with the driver station logs. Most other matches, packet loss was very low. Interestingly enough, we...
Forum: Rules/Strategy 03-30-2016, 08:18 PM
Replies: 88
Views: 11,261
Posted By jeremylee
Re: The REAL chokehold of 2016

Just park a robot on the middle batter so the defender can't get in place and low goal away.
Forum: Rules/Strategy 02-23-2016, 12:13 AM
Replies: 41
Views: 6,819
Posted By jeremylee
Re: Is Defense Back in a Big (Bad) Way?

Since only one defender is allowed to guard thier castle, I think teamwork can help overcome this problem. But I agree with the comments about a rough game, the pits are going to be crazy busy this...
Forum: Rules/Strategy 02-19-2016, 04:18 PM
Replies: 28
Views: 3,772
Posted By jeremylee
Re: Shooting Percentage for week 1

I'm been thinking of the following scenario's (basically breaking A into 3 categories):
1. Offensive robot drives onto batter with bumper or robot itself against opponents castle wall, defending...
Forum: Rules/Strategy 02-16-2016, 06:22 PM
Replies: 28
Views: 3,772
Posted By jeremylee
Re: Shooting Percentage for week 1

Pinning?
Forum: General Forum 02-16-2016, 04:27 PM
Replies: 66
Views: 7,262
Posted By jeremylee
Re: Defensive robots

And then go pick it up and deliver it to your secret passage.
Forum: Robot Showcase 02-13-2016, 08:32 PM
Replies: 6
Views: 2,166
Posted By jeremylee
Re: 4296 Trident Robotics Teaser

Note to self, beware of getting in a pushing match with 4296... See you at Central IL and Midwest!
Forum: Extra Discussion 02-05-2016, 08:43 AM
Replies: 9
Views: 1,470
Posted By jeremylee
Re: pic: 2559 Normality Zero 2016 Drive Train v1

What robot speed are you geared with the toughboxes? Looks like direct drive and 8in wheels which others have mentioned they had turning issues.
Forum: Technical Discussion 01-31-2016, 10:52 PM
Replies: 3
Views: 770
Posted By jeremylee
Re: Vex Pro 3 CIM Ball Shifter WCD 3rd Stage Kit with #35 Chain

We added half inch spacers and longer bolts to create the space for a double #35 sprocket.
Forum: Electrical 01-30-2016, 09:10 PM
Replies: 16
Views: 2,092
Posted By jeremylee
Re: Brown out / breaker trips with Pneumatic Tires

Might consider swapping a WCP SS gearbox into the kit if you can afford it.

http://www.chiefdelphi.com/forums/showthread.php?t=142496
Forum: Technical Discussion 01-26-2016, 11:46 PM
Replies: 5
Views: 1,795
Posted By jeremylee
Re: StrongHold Pushing Match & T-Boning

I think that gear ratio with 8 inch wheels will stall the 3 cims and brown out. I'd suggest more ratio for pushing. See discussion in this thread of others faced with a similar...
Forum: Technical Discussion 01-03-2016, 09:19 PM
Replies: 35
Views: 4,661
Posted By jeremylee
Re: Sonic Shifter - recent feedback?

Hmm, we haven't had any problems at all after 2 regionals and 2 offseasons with our 2014 bot and our 3 cims ball shifters.
Forum: Extra Discussion 12-18-2015, 09:38 PM
Replies: 5
Views: 1,185
Posted By jeremylee
Re: pic: 3946 off-season strafe module, overhead view

Might be nice to mount a piece of 1x2 tube between the inner rails next to gearboxes and use the new VersaDrop module.
Forum: Extra Discussion 12-16-2015, 01:08 PM
Replies: 13
Views: 1,757
Posted By jeremylee
Re: pic: 1736 Robot Casserole Offseason WCD

This confirms my theory, 4 cims may be "safer" from a brownout, but that alone may not avoid a case of the brownout blues. Better to make sure you are traction limited or have some form power...
Forum: Extra Discussion 12-15-2015, 02:16 PM
Replies: 13
Views: 1,757
Posted By jeremylee
Re: pic: 1736 Robot Casserole Offseason WCD

I understand that 6 cims at stall is likely a problem. Has anyone confirmed we can stall 4 cims without being worried about a brownout?
Forum: Extra Discussion 12-15-2015, 02:00 PM
Replies: 13
Views: 1,757
Posted By jeremylee
Re: pic: 1736 Robot Casserole Offseason WCD

Plan is for a one piece bumper to slide on from the top. Still need to add a latch or two on the front and back.

And yes, we'll have a belly pan. I don't know the exact details as the electrical...
Forum: Extra Discussion 12-15-2015, 10:03 AM
Replies: 13
Views: 1,757
Posted By jeremylee
Re: pic: 1736 Robot Casserole Offseason WCD

I've estimated around 37 pounds as shown. If we drop back to 4 cims, that'll put us around 31 pounds. As for wheels, it's possible we may try blue nitrile, but the main concern is that the...
Forum: Extra Discussion 12-15-2015, 02:08 AM
Replies: 13
Views: 1,757
Posted By jeremylee
pic: 1736 Robot Casserole Offseason WCD

[cdm-description=photo]42531[/cdm-description]
Some details:

3.5" Colson wheels, 1/8" drop
Ratio Low gear: 11.03
Ratio High gear: 5.1

Speeds around 7.5 ft/sec in low and 14.3 ft/sec in high. ...
Forum: General Forum 12-11-2015, 06:06 PM
Replies: 125
Views: 23,518
Posted By jeremylee
Re: VEXpro 2016

VersaDrop is perfect for h-drive.
Showing results 1 to 25 of 99
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