[SPAM] Re: Questions

[John Gausby]

FYI on the Prius batts.......Toyota warranties them for 8 years or 100K miles.  After that?......Current replacement price for the entire pack is aprox $3700 including labor!  Wow...A  bargain.......  Price may go down as time goes by and production increases (smile)....John G.


----- Original Message ----- 
From: Jeff Hughes 
To: discussion at nsrca.org
Sent: 10/16/2004 11:15:42 AM 
Subject: Re: Questions


Mike,
I did talk with Jim and have a canopy coming. Thanks for the info on that. And it does look like my temptation will have my tried and true OS1.40 in it. Electrics will have to come a long way before it's competitive for guys like me. I only went through a case and a half of fuel this year (9 gallons X $11 = $99). Those batteries would have to last me 7 years for the financials to work out. I wonder how long the batteries will last in the Toyota Prius? That'll be a shock for people when they have to start replacing 150 lbs worth of Nimh's. 
Jeff

----- Original Message ----- 
From: mike mueller 
To: discussion at nsrca.org 
Sent: Saturday, October 16, 2004 8:16 AM
Subject: Re: Questions


 Jeff E Pattern is still a tough proposition. It'll be cool when the technology and the costs make it mainstream. Until then I'm buying a new YS DZ 160 and keeping my fingers crossed that it doesn't blow up! Mike

Jeff Hughes <jeffghughes at comcast.net> wrote: 
Ouch. I was hoping it to be closer than that. I keep reading about these 
large scale electric planes being flown with 28 Nicads or nimh, they must 
not have the performance we need?



----- Original Message ----- 
From: "Jerry Budd" 
To: 
Sent: Friday, October 15, 2004 11:07 PM
Subject: Re: Questions


> HI Adam,
>
> The ThunderPower 10s3p LiPo's Frack & I use (Jason too) are actually 
> 42volts, 6ahr = 252 Whr
>
> so that actually works out to ~66 cells and 5 lbs difference in weight to 
> use Nimh. Not a realistic scenario.
>
> Thx, Jerry
>
>>lipo 10s3p - 33volts, 5ahr = 165Whr
>>Nimh gp3300 - 1.15volts/cell, 3.3ahr = 3.8Whr/cell works out to 43cells to 
>>store the same energy.
>>^All rough average quick numbers, of course.
>>
>>Thunder Power lipo costs $680 and weighs 1.1kg.
>>Epic GP3300 costs - around $220 and weighs 2.7kg.
>>That is a weight difference of about 3.5lbs.
>>
>>And that is ignoring the problem of parralleling NiMH batteries (as I 
>>understand it, this isn't supposed to be done), and how much extra energy 
>>would be required to carry those 3.5lbs, and the decreased voltage caused 
>>by cold GP3300s. I think the GP2200's have a higher energy density, so 
>>they might make the numbers a little better, but the point remains.
>>=====================================
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>
>
> -- 
> ___________
> Jerry Budd
> mailto:jbudd at qnet.com
> =====================================
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> 

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