Work Night on Spray Module, Wiring & Fan Mount
Date: 5.3.18Location: Logan HS
Time: 3 hours (4:30-7:30 pm)
Goal: Create the spray module, work on wiring, program Raspberry Pi 3 and fabricate fan mount.
Students: Boy, Gabe, Cashew, Andy, Dom, Austin, Ian and Matt.
Good turnout for the work night. Groups were split up to work on different parts of the DM. Work on the spray module for the evaporator went well. The fan mount took a step backwards as the fan shaft still is not square and plum with the motor mount. This is fixable, but it will take time to tweak it and get it right. This part of the DM has taken much longer than anticipated.
Mounting the switches has begun and we made good progress on that. More time is needed to wire in the switches through conduit into the box. More time was taken to calculate the total amperage needed to supply all the components in the DM. The total amperage is pushing 50 amps as we continue to add more to the DM. We will need to get a 60 amp circuit breaker as a master switch.
The overall good news is when the wires start running from the switches, we are getting closer to finishing as that is the last step before testing the system. The best news of the night was Dom got the programming for the Raspberry Pi 3 to work wirelessly with the camera. This will be broadcast over the network so we can see the temperatures via cell phone. We still have some configuring to do, but are close here.
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| We tried drilling 1/8" holes in the tubing for the spray module but it just clogged up the hole. We used an old soldering iron to place holes in the tubing every 2". This will become our spray head over the evaporator. |
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| Spray module being zip tied in. |
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| Boy and Gabe checking the spacing on the spray module. |
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| Dom working on the programming for the Raspberry Pi 3 camera. |
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| Andy and others getting some pizza while they work. |
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| Austin and Cashew drilling in the holes for the fan mount. |
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| Ian and Matt working on mounting the switches in the control board. |
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| Cashew showing off his work with the fan mount. |
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