April 28 – May 3, 2008
A busy week at school. I took a small group of students to a robotics competition and worked with a few more getting ready for prom. On top of that (we are near the end of our school year),
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we are in the serious project mode in all of my classes, so time was at a premium. I did go back and try to remount the adapter with my motor model and the alignment was off a bit. I modified the clutch alignment
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tool to more precisely install the clutch to the motor adapter and it helped. I seems that this whole alignment thing takes patience and I need to come up with a good system to ensure that the motor (with all of it add-ons) will slide in with the greatest of ease when I have everything ready to install – looks like another jig! The whole assembly should be around 200 lbs when done. With the motor eyebolts and an engine hoist I do not see any real problems, but it is easy to guess while planning.
The other area of thought this week was electronics – in particular, monitoring. I now have two
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E-meters, a serial model and a non-serial model. These do a good job of keeping track of volts, amps, amp hours and time, but I want to see it all at the same time. I first wanted to try and come up with a home built solution, but after days of research and some good feedback from the discussion list, I decided to go with the E-meters. Now I am looking at different devices to display and data-log the information from the E-meter. These devices are small touch screen computers –
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a Palm Pilot is a good example. Processing the data is done through a few equations and then transferring the processed data to a screen image. This is an over simplification of the process, but when I get it figured out, I will update this section. So until next week….
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