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how can you pump a prius


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still_walkin 
Silver - Posts: 644
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Joined: April 18, 2007
Location: California, United States
Posted: January 28, 2013 at 6:59 AM / IP Logged  

i saw this link online and they just showed the fun parts of the car so im thinking they  must of redid the whole charging system to support 4,000 watt stereo sytstem. but iitt says the drive train was never modfied ... heres the link below any suggestions

http://www.treehugger.com/cars/yes-its-a-hyper-pumped-out-toyota-prius-from-sweden.html

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oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: January 28, 2013 at 3:51 PM / IP Logged  
Nothing at that link for me, but if done properly they'd be using the Prius' battery, IOW the type of high power audio split system I have long been advocating but without the front-end SMPS PSU.
The advantage is being able to get 5kW of audio output (RMS of course!) into 8 Ohm speakers even using their later lower 200V system.
To output 4kW off their st'd 12V system adds much inefficiency, plus of course requires a larger ~400A alternator for continuous running, or 12V battery replacement every 20 minutes (if that), or extra 12V batteries.
still_walkin 
Silver - Posts: 644
Silver spacespace
Joined: April 18, 2007
Location: California, United States
Posted: January 28, 2013 at 4:31 PM / IP Logged  
On the link it said then drive train wasn't modified so doesn't that include the alternator
https://www.youtube.com/watch?v=R13nF0OQZEU&feature=youtube_gdata_player
Here's a YouTube video
1993 sdv
Alpine 4x6 6x9 5 1/4 swr-10d4
alpine v60
12.5 VGA flip down
Nettop pc w/10" touch screen
78nova
5-re audio 5x7 ,10" sub &
Xtx-500.5
"Take the faceplate off get the jumperpack"
DYohn 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: January 28, 2013 at 5:30 PM / IP Logged  
The 12V electrical system in a Prius is like the 12V system in any other car...
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still_walkin 
Silver - Posts: 644
Silver spacespace
Joined: April 18, 2007
Location: California, United States
Posted: January 28, 2013 at 5:33 PM / IP Logged  
Right but an half electric based car can support a 4k system without any charging system upgrades
1993 sdv
Alpine 4x6 6x9 5 1/4 swr-10d4
alpine v60
12.5 VGA flip down
Nettop pc w/10" touch screen
78nova
5-re audio 5x7 ,10" sub &
Xtx-500.5
"Take the faceplate off get the jumperpack"
DYohn 
Moderator - Posts: 10,740
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: January 28, 2013 at 8:08 PM / IP Logged  
Your link is dead but I watched the Youtube video. No where do they say the electrical system is un-modified, and I'd be very surprised if someone was going to build a highly modified show car like that one they would not upgrade the electrics. Also, calling a Prius a 100% electric car is BS, of course... Nice fiberglass work I will say.
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still_walkin 
Silver - Posts: 644
Silver spacespace
Joined: April 18, 2007
Location: California, United States
Posted: January 28, 2013 at 8:25 PM / IP Logged  
Here's another link I found it says how the builder didn't say if the drive train has been modified or not but he did say he added four batteries
http://www.wired.com/autopia/2008/08/the-worlds-most/
1993 sdv
Alpine 4x6 6x9 5 1/4 swr-10d4
alpine v60
12.5 VGA flip down
Nettop pc w/10" touch screen
78nova
5-re audio 5x7 ,10" sub &
Xtx-500.5
"Take the faceplate off get the jumperpack"
KPierson 
Platinum - Posts: 3,527
Platinum spaceThis member consistently provides reliable informationspace
Joined: April 14, 2005
Location: Ohio, United States
Posted: January 28, 2013 at 8:58 PM / IP Logged  
Drive train = motor and tranny. I wouldn't assume it meant accessories hanging on the motor.
Kevin Pierson
still_walkin 
Silver - Posts: 644
Silver spacespace
Joined: April 18, 2007
Location: California, United States
Posted: January 28, 2013 at 9:04 PM / IP Logged  
OK Cuz I saw the factory battery and accessories and I couldn't compute how it was done
1993 sdv
Alpine 4x6 6x9 5 1/4 swr-10d4
alpine v60
12.5 VGA flip down
Nettop pc w/10" touch screen
78nova
5-re audio 5x7 ,10" sub &
Xtx-500.5
"Take the faceplate off get the jumperpack"
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: January 29, 2013 at 12:05 AM / IP Logged  
It's probably as I described. It would be illogical to do it from its 12V system.
Besides, as I recall, the Prius has no 12V alternator. Its 12V battery is charged via a ~50V (dc-dc) converter from its main battery.
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