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Future Toyota/Lexus Hybrids (Prius 2.0, Camry, Lexus 600h, etc.) - READ ONLY

35 messages,  Last post on Jan 23, 2008 at 12:59 PM

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What is this discussion about? Toyota, Lexus, Hybrid Cars, Sedan

Messages Page 4 of 4

#26 of 35 Toyota seems see where the dollars are coming from by drfill

Oct 15, 2007 (10:22 am)

http://www.egmcartech.com/2007/10/15/toyota-to-unify-hybrid-design/
 
   DrFill

#27 of 35 And this is a good look at the future by drfill

Oct 15, 2007 (10:37 am)

http://online.wsj.com/article/SB118668836307793356.html?mod=rss_whats_news_asia
 
   DrFill

#29 of 35 Re: Toyota seems see where the dollars are coming from [drfill] by gagrice

Oct 15, 2007 (7:49 pm)

Replying to: drfill (Oct 15, 2007 10:22 am)
So the Camry hybrid is also a flop!
 
So currently the Camry doesn’t appeal very much,” Toyota’s chief designer, Wahei Hirai, told Automotive News. “They prefer Prius because, while they are driving in town, people can understand that the driver has more social awarene

#30 of 35 Re: And this is a good look at the future [drfill] by gagrice

Oct 15, 2007 (7:51 pm)

Replying to: drfill (Oct 15, 2007 10:37 am)
If I am reading the WSJ article right, no Li-Ion before 2011 and maybe not then. Any new Hybrids are on hold till they can find a battery to replace the NiMH currently being used.

#31 of 35 Re: Toyota seems see where the dollars are coming from [gagrice] by drfill

Oct 16, 2007 (9:18 am)

Replying to: gagrice (Oct 15, 2007 7:49 pm)
I wouldn't call any Hybrids that does 50k a year a flop.
  
   Civic Hybrid does about that, maybe less. I wouldn't consider that a flop.
 
   They were speaking relative to the Prius, which is a huge success. These are in relative terms.
  
   Is David Wright a flop compared to Alex Rodriquez?
 
   DrFill

#32 of 35 Re: - [dudleyr] by nvbanker

Nov 06, 2007 (10:50 am)

Replying to: dudleyr (Apr 21, 2007 8:27 am)
Interesting how nobody has tried that yet....a hybrid minivan. Ford did a great job on the Escape Hybrid - you can hardly tell the batteries are even in there, the spare is still underneath, and you still have a decent floor in the back too. I would think the Sienna could be made to work with the Hybrid.....maybe engine bay space is a problem?

#33 of 35 Re: - [nvbanker] by larsb

Nov 06, 2007 (11:20 am)

Replying to: nvbanker (Nov 06, 2007 10:50 am)
Toyota has the "Estima" hybrid minivan in Japan, and has had it for several years.
 
Click here for more info on the Estima
 
I cannot for the life of me understand their reticence to do it as a Sienna in the USA.
 
Confusing as heck !!!

#34 of 35 Re: - [larsb] by nwng

Jan 22, 2008 (3:52 pm)

Replying to: larsb (Nov 06, 2007 11:20 am)
If you stick the 2.4 hsd in sienna, you get your estima. minivans w/o v6 don't sell in the US, unfortunately. Looking at the link, it seems the hybrid will improve the mpg by about 25% over the 3.5l. I think they will bring it out if the next gen ody comes with a diesel option.

#35 of 35 What about.... by wwest

Jan 23, 2008 (12:59 pm)

A Sienna hybrid with the I4 but with a Miller Cycle using a positive displacement variable speed Supercharger. Use an E-CVT with a engine drive belt into one end and a permanent magnet AC synchronous motor at the opposite, ~3:1 reduction, end.
 
A variable frequency drive to the AC motor would allow complete, full range, engine throttling without a throttle butterfly valve. No boost would be provided unless extraordinary level of power were asked for.
 
Note that the 2.3L Twin-turbo engine in the Acura RDX produces 240HP. In comparison a hybrid Miller Cycle 2.3L I4 SC'ed as above (NO Turbo LAG) would only need to produce about 200HP w/full boost in order to match the performance of the RX400h.
 
A 40MPG Sienna....?

Messages Page 4 of 4

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