BullDog Bots | UMD Duluth Battle Robotics Team
Meetings Every Wednesday at University of Minnesota Duluth in Engineering 280 and Thursday in Voss Kovach 148 at 4:30PM, all students are welcome to attend.
3D Printed Motor Mounts [Video]

3D Printed Motor Mounts [Video]

This is the printing of our motor mount for a Dewalt 18v drill motor. The motor and mount are going into UMD Duluth’s combat robot. The cad drawing was made up in SolidWorks based on measurements taken from the actual Dewalt motor. We designed it for four 1/4″ bolts to...
Latest entries

Meeting and Officer Elections 4-25-2012

The parts for the mockup drive system are in and the build for it will be taking place on 4-30-2012 in VKH 148 at 4:30 PM. We will also have our regular meeting times. We had our officer elections for 2012 at our last meeting. The officers are as follows. President: Anthony Vice President: Colin...
April Build Report

April Build Report

Construction on our mockup bot has been the main topic of our meetings and build days for the last few weeks. We have been testing the old circuitry and verifying everything is working properly. As shown on the oscilloscope and real test verification. Last night we started construction on the bearing blocks that will hold...
Dewalt Motor Modification

Dewalt Motor Modification

The gearboxes that come with dewalt drills are not perfect as a wheel transmission right out of the box. First we have to modify the set of planetary gears so we can eliminate the torque limiter section of the gearbox and also shrink the assembly by an inch or so. This will save space inside...

Meeting 3-28-2012

-Change of Movie Date -Set up table to advertise movie event to raise awareness of group -Discussed design ideas for gearbox to drive shaft -Went down to the workshop and looked at our current gearbox motor assembles. We able to redesign the setup of the planetary gears so we can reduce the motor gearbox length...
Movie Night April 14th

Movie Night April 14th

UMD Bulldogbots presents the movie “Real Steel” Bohannon 90 at University of Minnesota Duluth April 14th at 6PM Free for everyone
Meeting 3-21/22-2012

Meeting 3-21/22-2012

Wednesday meeting we went over general club information and planning. Thursday meeting we started work on setting up the components for our mockup drive system. We selected a four DEWALT DC970K-2 drill kits from Amazon Warehouse deals to be the main force behind our drive system. The drills came with Nickel-cadium batteries that we will...
Meeting 3-8-2012

Meeting 3-8-2012

During our Thursday meeting time we went down to “the cage” where our workspace is located to work on organizing and salvage parts off last years Scorpio bot. Last week we finally picked out the components to use for our drive system / mockup combat robot. The drive motors will be from standard Dewalt 18v...
Meeting 2-22-2012

Meeting 2-22-2012

-IEEE meeting last week went well -6′x2.5′ banner arrive and looks good -discussion on wheel design.  Voted against having wheel overhang on top of the bot because it would not be beneficial  if we were flipped over since our weight would be balanced on the blade and not the wheels.    We however voted for...

Meeting 2-2-2012

-Worked on details related to dodgeball tournament to be held during OutCold week at UMD to raise awareness about BullDogBots -Will make a large general purpose banner for use at events including logo, club name, and website URL -Updated the bill of materials further

Meeting 2-1-2012

4:30pm Reviewed over the funds and time before the competition and decided not to build a combat robot for the April competition. Allowing for longer design, funding, and build time to make a more competitive bot. -Need to look into other competitions that may be sooner than April 2013, possibly in state? -Will go ahead...
Meeting 1-25/26-2012

Meeting 1-25/26-2012

1-25-2012 -work on bill of materials on thursday -dropbox set up for solid works Cad Drawings -close to funding for bot -bought weapon gear for use -E-mail past fellow competitor about example documentation on technical data needed to enter the competition -spent time looking at solid works design -Decided on weapon shaft / bar attachment...
3D modeling of working design

3D modeling of working design

“Outdoor Roomba” is our humorous and tentative name for our combat robot until we can come up with a name that isn’t copyrighted. Over our winter break our team was able to model the majority of our bot in Solidworks and many engineering aspects were finally addressed. The main frame for our bot was figured...