Kicking Off the Year, 2016-2017

The Electric Vehicle team started the year early, with the first meeting of the new school year on Sunday, August 14. We’re proud to welcome new members Ryan Marx, Nolan Vess, Ethan Choate, Eric McKenzie, Parker Turnage, and Josh Bryant.  Since the first meeting of the year we’ve installed a new auxiliary battery pack in the Datsun, done body work such as fixing the side view mirrors, worked on reparing the Datsun’s bumper, and ambitious new members have even fixed the outside door handles. A cataloguing system for all the team’s batteries has also been constructed, with cloud updating capabilities. DSC_0386.JPG

The EV team put on a good showing at the SVGS STEM open house, showing new SVGS parents and students both the Porsche and Datsun. We were happy to tell new students all about the benefits and experience gained being part of the EV team.

An exciting new addition to the Datsun is the Raspberry Pi tablet PC installed in the Datsun’s dashboard, which will allow for easier and on the go data collection from the Orion BMS system. The Pi was installed at the end of last year by team member Ben Lawn as his senior project, however our first field run with the Pi will be at our first event at the end of September.

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With our very first event of the year being on September 30th down at the North Carolina Automotive Research Institute, the team is working quickly in order to prepare the Datsun for some racing! David Waterman has generously donated his electric lawnmower to the EV Team, which we’ve extracted the BMS from and placed in the Datsun. Weighing in at about 200 lbs, the team had to do a little engineering in order to safely transport the BMS pack into the Datsun correctly, utilizing some metal pipes and rope. The team aims to wire the BMS into the Datsun and construct a 172 volt battery grid in time for our first event.

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Here’s to a successful and fun year for the Shenandoah Valley Electric Vehicle Team!

 

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The Datsun 240Z at the SVGS Awards Picnic

The team traveled to the Frontier Culture Museum with the Datsun on May 16 for the SVGS Awards Picnic. At the picnic, team members were able to show off the car to fellow students and their family members. Alongside the Datsun, the Shenandoah Valley Governor’s School’s robotics team’s robot made an appearance as members of the robotics team shared information about their competitive and successful season. At the picnic, senior team members Ben and Emily received the awards for Best Electric Vehicle Team Members.

Year in Review, 2015-16

It has been quite an amazing year for the Shenandoah Valley Governor’s School Electric Vehicle team. Team membership has gone up, a lot of projects have been completed, and there are big plans for the future.

Over the summer of 2015, the team installed the Orion battery management system in the Datsun 240Z. This system was incredibly helpful to the team all year and will continue to be helpful as it provides a way of monitoring all the batteries at once and protecting them from damage during racing. Also over the summer, the team’s website was created and has been a helpful tool for documenting our progress all year.

During the Fall and Winter, the team worked on increasing team membership by recruiting at home schools and presenting to all of the juniors during their physics classes. We got a lot of work done on the Porsche, most of which was cosmetic. The team fixed the switch for the reverse lights and beeper which had broken off, attached covers for the steering column and fuse block, put in a new ignition, and worked on charging lithium ion batteries to be put in the Porsche when the time came to convert it. The team received a storage shed early on and we quickly filled it up and used it for storing all of the things that had previously been kept in the mail truck. As for events, the team participated in the EV Neat Rally at NCCAR from October 9th through the 11th. The team also showed the Porsche in the Waynesboro Christmas Parade. During school, we had meetings with some of the team members during third block independent work time to plan out goals for the near and distant future. On the Datsun, the team added about 36V to the back and put in David Waterman’s pack of batteries from his lawnmower that he donates to us every year. Every Fall, Romanian exchange students come to the Shenandoah Valley Governor’s School; this year, one of our team members brought her exchange student to a meeting to show her our electric vehicle program.

Spring has been an exceptionally busy time for the EV team. We started the new year off with an outreach event with the RAW Learning Private School where team members gave presentations to younger students about the EV Challenge, our cars, and even about the solar panel that the Governor’s School received from Dominion. We began the process of converting the Porsche from lead acid batteries to lithium ion batteries by taking out all of the old batteries, configuring how the new batteries would fit in the Porsche, creating wiring diagrams, and installing racks for the batteries. Members of the team worked with Dish Network on getting a donation for the EV program. A proposal was submitted for funding ideas on many small projects; however, Dish was looking more for one big project to put their money towards rather than many smaller things. The team took the Datsun to the EV Spring Thaw Event at NCCAR in the middle of March. As for work done on the Datsun this Spring, a passenger seat has been put in, 12 cells have been added to the front to bring the car’s overall voltage up to around 176V, and a lot of progress has been made with the battery management system including setting safety features and analyzing data collected from it. The team showed off both the Datsun and the Porsche at the SVGS Open House on March 24 and also participated in the Herald Miller Invitational at NCCAR, an event created to replace the postponed EV Challenge. At the Herald Miller Invitational, the team was interviewed by a crew from an educational website called itsourair.org which will be creating an episode about electric vehicles and the cool things we do at EV to be shown in classrooms all across North Carolina.

An ongoing project with the team is that we are working on installing a touchscreen in the Datsun that we can use to monitor our batteries while we are racing.

Some overall things worth mentioning include that the senior members of the team collectively earned 850 hours. Team membership has increased from 2 members last year to 8 members this year. Also, on the school initiative forms, a system of scoring teams used by the EV Challenge based on categories relating to public relations, the team scored 162 points, significantly higher than what we scored last year.

The team’s plans for the near future as well as next year include taking one of the cars to the SVGS Awards Picnic, getting tires donated for the Porsche, finishing converting the Porsche to lithium ion batteries, continuing to expand team membership, continuing to work with Dominion on getting a grant for an EV charging station, continuing to expand team membership, getting some type of speedometer function for the Datsun, and upgrading the motors/controllers in both of the cars.

EV Team at the SVGS Open House

On March 24, 2016, the EV team moved their cars over to the Shenandoah Valley Governor’s School to show them off to the community at the SVGS Open House. The Open House is an event that gives students the opportunity to show off all of the amazing work they do at the Governor’s School to parents and members of the community. For more information on the Open House as a whole, check out this article on the Shenandoah Valley Governor’s School’s website: https://svgsstudentnews.wordpress.com/2016/03/25/photos-from-open-house-2016/. The EV team had a computer set up with a slideshow of pictures showing what the team has done throughout the year as well as an informative poster about the team’s two cars. Both the Datsun and the Porsche were on display as team mentor, Byron Humphries, stood by to answer any inquiries the public had about our program. Student team members of the program were also present to talk about our meetings and events to raise awareness for the incredible program.

EV Spring Thaw Event 2016

The EV team headed to Garysburg, North Carolina this past weekend to participate in NCCAR’s Spring Thaw Event. The event was designed to be an opportunity for teams to get practice in events such as autocross and acceleration. Half the team left for the event around 6:30 PM Thursday night with the Datsun so that they could get to the track early the next morning. The rest of the team joined up at NCCAR around 4:30 on Friday. The Porsche did not join the team on this trip as it is still in the process of being converted from lead acid to lithium ion batteries.

On Friday, the team designed and set up an autocross course for all of the teams to practice on. The Datsun ran well, averaging times around a minute and twenty-five seconds on a relatively long course that included a slalom, chicago box, and 360. In the evening, the batteries started to weaken and when the team checked them they were reaching dangerous temperatures of around 130 degrees Fahrenheit and voltages on about 7 of them had dropped to 0, making them useless.

To handle this tense and upsetting situation, members of the team pulled an all-nighter, working on cooling the batteries, taking out the worn down packs, salvaging batteries, and wiring new packs in. The team also charged the main pack of batteries overnight so that the car could hopefully race again in the morning.

On Saturday, the team spent the morning finishing up the Datsun and getting it to run again. Overall, the voltage dropped from 144V to about 130V with the removal of 4 cells. The team continued to practice on the autocross course throughout the morning, stopping every couple of run throughs to check on how the batteries were holding up both in relation to charge and temperature. The team ended the event with a debriefing of how it went and what needs to be done in the future to prepare for the EV Challenge in April.

Overall, the weekend was a great experience for everyone on the team. Every body got a chance to drive, giving some new members the opportunity to drive the car for the first time. We also had a passenger seat which gave people the opportunity to ride along as the car dodged (and sometimes hit) cones. The team did a great job of keeping positive attitudes in times of stress and hardship when the discovery was made that the batteries had been damaged and was able to put all the things they’ve learned this year to work under a large amount of pressure. The team made connections with members of other teams, talked with people connected to NCCAR, and even got to see a solar powered car brought to the event by a college team.

The team will eagerly continue working on bettering their cars for the EV Challenge in Raleigh, North Carolina in April with hopes of bringing a powerful Datsun and a lithium ion-powered Porsche.

This Month in EV, February 2016

Looking back on the goals the team set in January (finish charging the Datsun, participate in more outreach opportunities, get tires donated, get another pair of racing seats donated, and finish converting the Porsche from lead acid to lithium ion batteries), February has been a very productive and successful month. The team has started and accomplished quite a few of the set goals and we have plans for the ones that we haven’t gotten around to yet.

The Datsun is charged up to the best of our abilities and ready to race in the Spring Thaw competition at NCCAR in March. Also, a passenger seat is in the process of being installed in the Datsun (hopefully in time for the competition). Once the seat is in place, we hope to have an outreach event that will allow people to ride in our electric car and get to learn a little bit more about EV. The Porsche is well on its way to being on lithium ion batteries. After a little bit of brainstorming, a layout has been configured for the newer, smaller batteries as well as a wiring diagram. All that’s left is putting the batteries into the newly made racks, wiring them up, and getting the controller put back in place. That being said, it does not look like the Porsche will be ready in time to participate in the Spring Thaw event. Rather, the new and improved Porsche will be unveiled at the EV Challenge in April.

Throughout the course of this month, a team member and an instructor have been in contact with Dish Network and have worked out a grant for the team. This money will be going towards the costs of competitions and will help the team out a lot. Thanks Dish Network!

Next month, the team will be traveling to North Carolina to participate in the Spring Thaw Event. Goals for March include: finish the Porsche conversion, give rides in the Datsun, get one more seat for the Porsche, and get new tires donated for the Porsche. Also in March, the Shenandoah Valley Governor’s School will be having it’s annual STEM Open House and the team will have the cars on display with students to talk about the program and bring awareness to the community.

This Month in EV, January 2016

January has been a pretty busy month for the EV team. Early on, planning was under way through a long series of emails for an outreach opportunity to share what the SVGS EV team is and what we do with some members of the community. That event ended up being a big success. On January 20th, some students from Staunton’s RAW Learning Private School visited the Governor’s School to run through some stations and activities led by members of the EV team. Mr. Daw gave a presentation on what the EV Challenge is and what the competition is like along with a description of the STEM Cycle program. Byron and Ben showed off both the Datsun and the Porsche, allowing the kids to see the cars up close and hear more about how they work and what we do as a team at meetings. Emily led an introductory level class to solar energy that included a brief video, a look at the solar panel that SVGS recently got, and some interactive games focusing on renewable energy.

In addition to focusing on outreach, the team has been putting a lot of effort towards working out charging the Datsun. We’ve hit some bumps along the way with some straggling cells and some cells that seem to be reaching much higher voltages that others. Our original hopes were that the BMS would prevent this but we are finding ourselves having to go in an charge some cells individually. Another thing in the works for the Datsun is the fabrication of a controller fan cover to keep small objects from falling in and jamming the fan while the car is being worked on.

The team has also been working towards accomplishing the goal of getting new tires donated for the Porsche 911 so that we can race it safely at the upcoming EV Challenge. We have taken the lead acid batteries out of the car and are working on planning the layout of the lithium ion batteries.

Some goals for the team in the rest of January and through February include: finish charging the Datsun, participate in more outreach opportunities, get the Porsche tires donated, get another pair of racing seats donated so that people can ride in the cars, and finish converting the Porsche from lead acid to lithium ion batteries. We’ve got a lot ahead of us but the progress we’ve made so far this year has the team excited for what’s to come.

 

This Week in EV 10/18 – 10/24

On Sunday, the team met from 6:00 to 8:30. We continued charging batteries and connected the peripheral cells in the Datsun to the Orion BMS. We tested the new cell configuration and designed a new mount for the BMS. On Wednesday, the team met from 6:00 to 7:30. We began installing the new mount and rewired the BMS wiring harness to accommodate the new mount. On Thursday, the team met during the school day to write up goals for the upcoming month.

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This Week in EV 10/11 – 10/17

The team did not meet on Sunday due to the excitement and exhaustion of the EV Neat Rally. On Wednesday, the team met from 6-9. One of the team members brought along her Romanian exchange student and we were able to show her the cars and allow her to participate in our evening’s work. We had a large turnout of students as well as a visitation from a member of the team a few years back who worked on the display system in our Datsun. The battery management system in the Datsun was the main focus of the night. New members were taught how to strip wires and make connections using crimping tools and heat shrink. We got all of the wires of the battery management system prepared with ring terminals to be hooked up at a later date.

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This Week in EV 10/4 – 10/10

The meeting on Sunday was rescheduled to Monday due to possible inclement weather. On Monday, the team met from 6-9. While charging the Porsche, the teachers passed out permission forms and legal waivers to the members going on the trip and went over what to pack, the schedule, and general expectations. We replaced the low auxiliary cell with a fully charged one and decided on what hardware we would use to mount the BMS in the Datsun. On Wednesday, the team met from 6-9 and broke into three groups to work on various tasks. One group worked on fixing the connections on the batteries to ensure that the wires would be under any stress when the batteries were held down for racing, the second team worked on charging batteries, and the third team worked on getting timing equipment to work for the races at the competition. Friend of the team, Mark Bartosik, joined us for most of the evening to see that everything was running smoothly and if we needed any help. The team added an extra meeting on Thursday to load the vehicle, supplies, and tools needed for the competition. The team decided to only bring the Porsche because of the high number of students with prior commitments and because the Datsun was not entirely ready to race. On Friday, the team met at 4:30 am and headed to North Carolina for the EV Neat Rally. Click here to read more about the competition at it’s dedicated post.

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