Questions

[mike mueller]

 Iwas thinking the same think about any of the Hybrid cars. Imagine how that will effect trade in value's. Still I'm glad we have the people out there willing to try the new technology's and tweak them. I just can't afford to be one of them. Mike

Jeff Hughes <jeffghughes at comcast.net> wrote: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.
>>=====================================
>># To be removed from this list, go to http://www.nsrca.org/discussionA.htm
>>and follow the instructions.
>
>
> -- 
> ___________
> Jerry Budd
> mailto:jbudd at qnet.com
> =====================================
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> and follow the instructions.
> 

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