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 Post subject: HV enclosure sealed after GND fault test
 Post Posted: Fri Apr 27, 2012 3:40 pm 
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Joined: Sat Jun 04, 2011 12:42 pm
Posts: 7
Location: Sherbrooke , Canada
hello everyone
according to rules 4.1.2

energy storage box will be sealed at competition after inspection gnd fault detec. test


if modification are made in the box ; it will need to pass gnd fault test again.

does anyone know how long or how complicated it might be to redo this test?

thank you every one ; see you Sunday/ Monday!

_________________
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Thank you everyone for this unforgettable experience!


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 Post subject: Re: HV enclosure sealed after GND fault test
 Post Posted: Fri Apr 27, 2012 11:35 pm 
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Joined: Wed Jun 03, 2009 1:29 am
Posts: 117
Location: Texas A&M
First off, HUGE THANKS to all the volunteers that help with tech. I know it is a grueling process that takes many man (and woman!) hours, and you aren't getting paid to do it.

Tech is very, very hit or miss. I saw one car sit for over 2 hours at the tilt table last year waiting to be filled with fuel so the test could be performed. There were no other cars in line and no car on the table; it still took 2 hours to put fuel in the car (cars must be fuel of FH approved fuel before going on the tilt table). There are lots of cars to tech and the inspectors work very hard to get through them, but it is tough to keep up, especially when almost all the cars have significant tech issues that take extra time.

If I were you, I would do whatever is possible to avoid having to open the accumulator box and go through the GFI test again. The actual test is very fast, usually under 2 mins if everything works as expected, but you might wait 2+ hours to get it done. The event schedule is not flexible, and you will miss events waiting to be teched.


Also, as far as tech inspections in general, perform as many mock tech inspections as it takes before you head to New Hampshire to make you sure pass. Many good cars have missed out because they didn't do their homework. Safety officer, HV gloves, safety glasses, MSDS, chassis tubing requirements, head rest, Percy, HV beacon location, HV/LV separation, etc etc etc.

DO NOT UNDERESTIMATE TECH!

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 Post subject: Re: HV enclosure sealed after GND fault test
 Post Posted: Fri Jun 29, 2012 12:01 pm 
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Joined: Mon Mar 12, 2012 7:07 am
Posts: 75
I would like to add that if you think the inspectors won't notice something that breaks the rules, you are sadly mistaken. Make sure your system strictly adheres to the rules. They will find any discrepancies and you will be forced make changes. Any rule that we shrugged off, even just a little, came back to bite us. We made it through electrical tech the second day, but that prevented us from making the brake test in time, so we missed the acceleration event by an hour. What Mojave says is absolutely right:

DO NOT UNDERESTIMATE TECH!


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 Post subject: Re: HV enclosure sealed after GND fault test
 Post Posted: Mon Jul 02, 2012 10:06 pm 
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Joined: Thu Sep 09, 2010 6:32 pm
Posts: 68
Location: University of Idaho
If you do not heed their warnings you will have nightmares about the evil glass rod of death!


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 Post subject: Re: HV enclosure sealed after GND fault test
 Post Posted: Tue Jul 03, 2012 1:48 am 
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Joined: Mon Mar 12, 2012 7:07 am
Posts: 75
wos9722 wrote:
If you do not heed their warnings you will have nightmares about the evil glass rod of death!


You will have nightmares, but only if you can get any sleep! You will more likely pull an all-nighter trying to meet tech!


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