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eedoga 05-02-2017 15:06

Team 2980 Week 4 Update
 
This is our week 4 Update.

https://www.youtube.com/watch?v=-NgWMXpTolQ

eedoga 06-02-2017 23:24

Re: Team 2980 Week 4 Update
 


This is our current design. The climber which goes on the left side of the robot is missing from the CADD file because I don't currently have access to the CADD Assembly for it. The rest is pretty much how it is at present. I'll try to get a picture of the practice robot tomorrow to upload.



This is a CADD drawing of our current competition frame. I can't really see any major changes to it though we will probably add a cross member on the top to help stiffen the middle of the frame.



This is our current fuel delivery system. I'll upload the CADD files to anyone who is interested. It is designed to shoot from the back of the robot when the front of the robot's bumper is pressed against the boiler. We are hoping tha this will greatly increase our accuracy.

JamesCH95 07-02-2017 10:20

Re: Team 2980 Week 4 Update
 
Do you have a mechanism to ground-load fuel?

Quote:

Originally Posted by eedoga (Post 1641461)


This is a CADD drawing of our current competition frame. I can't really see any major changes to it though we will probably add a cross member on the top to help stiffen the middle of the frame.

Why are there no triangulation elements anywhere in the chassis?

eedoga 07-02-2017 12:22

Re: Team 2980 Week 4 Update
 
Quote:

Originally Posted by JamesCH95 (Post 1641550)
Do you have a mechanism to ground-load fuel?

We have a floor intake on the left side of the robot, back side of the robot in this picture. You can see where it goes in the following:
https://www.chiefdelphi.com/forums/s...hreadid=154876

I will post more pictures including of our current practice robot after school today. Our intake is relatively small, and we are hoping to not need to use it too often. Our main goal is to load from the hoppers only using the intake if there are no other options.

Quote:

Originally Posted by JamesCH95 (Post 1641550)
Why are there no triangulation elements anywhere in the chassis?

Currently gussets aren't in the design. Depending on testing we may choose to add riveted gussets to a few different parts of the robot if the frame bends at any point particularly easily. We are currently using 1/8th wall aluminum square tube so hopefully that will be sturdy enough.

Our practice frame is currently completed with assembly and testing well under way. We are hoping to be done with assembly of our competition robot by the end of the week. Hopefully that will give us enough time for testing to see if any additional frame strengthening is necessary.

best wishes,

Edoga

JamesCH95 07-02-2017 12:49

Re: Team 2980 Week 4 Update
 
Quote:

Originally Posted by eedoga (Post 1641603)
Currently gussets aren't in the design. Depending on testing we may choose to add riveted gussets to a few different parts of the robot if the frame bends at any point particularly easily. We are currently using 1/8th wall aluminum square tube so hopefully that will be sturdy enough.

You don't have to go with discreet gussets unless you really want to. Riveting a .032in thick sheet of aluminum (as an example) to the bottom surface of the chassis will add a tiny amount of weight but provide a tremendous/hilarious amount of strength and stiffness.


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