Search found 65 matches

by trdd
September 5th, 2019, 4:49 am
Forum: Mission Possible B
Topic: Action i: Gear ratio of at least 3:1
Replies: 9
Views: 1938

Action i: Gear ratio of at least 3:1

Action i:
Use at least a 3:1 ratio gear system to initiate the next action.

Use this post to comment on this task.
by trdd
September 5th, 2019, 4:46 am
Forum: Mission Possible B
Topic: Start Action
Replies: 8
Views: 1383

Start Action

Start Action:
Participants must drop a golf ball into the Device from a point completely above the Device. The golf ball must fall into the Device and initiate the next action.

Post here any comments associated with the Start Action
by trdd
September 3rd, 2019, 3:36 pm
Forum: Mission Possible B
Topic: Video of my daughter's last year device for Division C
Replies: 5
Views: 1201

Video of my daughter's last year device for Division C

Here is a link to a video for the device that my daughter made for this event. It has 11 tasks including the coin flip which was the most difficult. Her team is not going to Nationals and this was her last Mission Possible competition as this year is going to Division B They did 11 of the 12 tasks. ...
by trdd
June 7th, 2019, 11:52 am
Forum: 2019 Lab Events
Topic: Sounds of Music C
Replies: 204
Views: 33821

Re: Sounds of Music C

I don't think they would change it that much, but I think they will try to make it more difficult. Right now, the threshold for a perfect score is somewhat low, and I think it would be helpful if they made more room for variation in scores. For example, with the loudness score I think it might make...
by trdd
May 6th, 2019, 7:23 am
Forum: 2019 Build Events
Topic: Detector Building C [TRIAL]
Replies: 16
Views: 4586

Re: Detector Building C [TRIAL]

Is there anything better than a thermistor to use for the actual detector part? That will depend on the rules for next year. Instead of temperature, the rules may ask to detect weight; or distance using piezo-electric or strain gages or optical sensors. They may even ask to detect speed, or time, l...
by trdd
May 1st, 2019, 5:22 am
Forum: Mission Possible C
Topic: Video of my daughter's device with 11 tasks.
Replies: 8
Views: 1890

Re: Video of my daughter's device with 11 tasks.

Man that is SO weird being able to interpret that circuit schematic and understanding how that works haha, thanks Circuit Lab I guess??? Also, I totally did not realize that Op-Amps could be used at comparators... that is so cool how you guys designed that circuit!! Feel free to copy it and improve...
by trdd
April 30th, 2019, 3:49 pm
Forum: Mission Possible C
Topic: Endothermic Task
Replies: 60
Views: 9938

Re: Endothermic Task

This is what worked for our team. I'm going to leave it here for anyone to use it or improve upon it. Video with detailed explanation: https://youtu.be/3S2pH3B2thk Voltage Comparator: https://www.jameco.com/z/LM311N-Major-Brands-Comparator-Single-plusmn-15-Volt-30-Volt-8-Pin-Plastic-Dip-Rail_23528.h...
by trdd
April 30th, 2019, 5:55 am
Forum: Mission Possible C
Topic: Coin Task
Replies: 28
Views: 5367

Re: Coin Task

Coin Task video with details and explanation.
Feel free to copy any ideas from here:
https://youtu.be/0mN_WSjjbes
by trdd
April 30th, 2019, 5:53 am
Forum: Mission Possible C
Topic: Video of my daughter's device with 11 tasks.
Replies: 8
Views: 1890

Re: Video of my daughter's device with 11 tasks.

COIN FLIP VIDEO AND EXPLANATION:
https://youtu.be/0mN_WSjjbes
by trdd
April 29th, 2019, 6:27 pm
Forum: Mission Possible C
Topic: Video of my daughter's device with 11 tasks.
Replies: 8
Views: 1890

Re: Video of my daughter's device with 11 tasks.

This is what worked for the endothermic for our team. I'm going to leave it here for anyone to use it or improve upon it. Video with detailed explanation: https://youtu.be/3S2pH3B2thk Voltage Comparator: https://www.jameco.com/z/LM311N-Major-Brands-Comparator-Single-plusmn-15-Volt-30-Volt-8-Pin-Plas...

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