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Unread 07-02-2015, 23:42
SciBorg Dave SciBorg Dave is offline
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Worried about weight ?

As the finished Bot comes together we are starting to worry about the 120 pound max.
Any other teams having weight problems ?
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Unread 07-02-2015, 23:43
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Re: Worried about weight ?

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Originally Posted by SciBorg Dave View Post
As the finished Bot comes together we are starting to worry about the 120 pound max.
Any other teams having weight problems ?
We are fine I picked up the bot today and estimate its only around 40 pounds. But we also have a somewhat short bot compared to many this year.
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Unread 08-02-2015, 00:00
Christopher149 Christopher149 is offline
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Re: Worried about weight ?

Last we measured, we should be hitting somewhere around 100-110 pounds (and we're 77" tall).
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Unread 08-02-2015, 00:07
SciBorg Dave SciBorg Dave is offline
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Re: Worried about weight ?

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Originally Posted by Christopher149 View Post
Last we measured, we should be hitting somewhere around 100-110 pounds (and we're 77" tall).
We are 77 " tall and we will weight the bot with all components tomorrow. We should be about 110-115 pounds.
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Unread 08-02-2015, 00:11
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Re: Worried about weight ?

Definitely. We're about 72" tall, and we're about 128lbs, 8lbs over the limit, and thats not even counting 2 other CIM motors we're planning on using.
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Unread 08-02-2015, 00:26
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Re: Worried about weight ?

Not really. Prototype was only 85lbs and we only plan to add 25lbs more weight to the competition bot.
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Unread 08-02-2015, 00:28
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Re: Worried about weight ?

yeah, it's going to be close this year.
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Unread 08-02-2015, 00:58
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Re: Worried about weight ?

Yeah, we're worried about weight. "Hey, we got any ballast around here, and where we gonna put it?"

The practice bot and a bunch of parts for it hit the scale at under 90 lbs today.
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Unread 08-02-2015, 01:05
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Re: Worried about weight ?

We're a little heavy for the first time ever. We started figuring out the robot's diet plan tonight.
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Unread 08-02-2015, 01:05
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Re: Worried about weight ?

We weighed today, and yes, it's going to be close. Closer than I think we've had in a long time (usually we're looking to add some weight around this point in the season). So, we started a couple of small projects to shave some weight.

We're going to save about 2 lbs (up high, no less!) replacing some 1" angle diagonal cross members (only there to keep things square) with some cables that'll do the same job while in tension - it's a difference of about 150g per cross member, and there are 6 of them.

Another couple of lbs will be shed by replacing some polycarb side shields with corrugated plastic (The shields are mostly there for sponsor stickers and branding purposes).

We're hoping to get the weight low enough to allow us to add some simple bumpers on 2, possibly three sides (attached in <60 seconds on the field). The two sides would help with concerns over an alliance member hitting the side plates and affecting our drive train, and the third one is mostly for visual appeal, although it would add a little extra protection for our battery.
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Unread 08-02-2015, 01:08
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Re: Worried about weight ?

Quote:
Originally Posted by SciBorg Dave View Post
We are 77 " tall and we will weight the bot with all components tomorrow. We should be about 110-115 pounds.
Same situation. All heavy systems are in place and we're at ~97 lbs. Add a few more pounds for air tanks and tubing and that brings us to around 105. Actually first time in the team's history weight hasn't been an issue. Yay CAD model!
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Unread 08-02-2015, 01:16
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Re: Worried about weight ?

Our drivebase was 49lbs in CAD, but only 43lbs in real life. It's really weird.
However, on the whole we are cutting it pretty close.
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Unread 08-02-2015, 01:33
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Re: Worried about weight ?

Eh we'll be fine. CAD says 85 and I think it's close. Should probably get a scale though...
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Unread 08-02-2015, 01:37
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Re: Worried about weight ?

My team cuts it close every season, so we expect to lose some weight. At the moment, we are at around 114 I think, and with some of the things we want to add, we may be hovering at 118-120 like usual.
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Unread 08-02-2015, 01:48
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Re: Worried about weight ?

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Originally Posted by AllenGregoryIV View Post
We're a little heavy for the first time ever. We started figuring out the robot's diet plan tonight.
https://www.google.com/maps/search/j.../data=!3m1!4b1

Hope this helps, Allen.
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