40% Electric. HOW MUCH?

[Joacim]

Hi all ! new to this forum.

Im in the middle of converting a 36% Katana, goal is one motor withaout gearbox, one controller and one battery pack. Motor, controller and prop is prototypes but will probably be on the market 2006.

Read more abaout it: http://web.telia.com/~u15807174/

[aerojack]

Whatever happened to Toshibas LIPO that will charge in 1-2 minutes? It was invented last year and was supposed to hit the market by now? This Batteries release into the mainstream public would of and will drive the prices of 'standard 1hr or more charge' lipos WAY down. this would be one step to a great price reduction for the elec. side of our hobby. I guess the charging method changes drastically with this new battery and the cost of the charger is more. But as with everything else just give it time and the price will drop on that charger.
I cant help but wonder if Toshiba was stopped from marketing this Battery because everyone else is making such a killing off the lipos as they are now. And with 'new' lipos charging in 1 minute, The 'old' lipos would take a huge hit in their sales.??
Hmmmm.
I believe that in certain situations there are things that could make our hobby better and more affordable that we will never see because of political bullsh** and red tape. We get the crappy end of the stick for things that are out of our control, and will never get to see the benefits of some of the newly developed products because of reasons just like I hypothisised. Too sad!!

[Joacim]

New Flightpower EVO and TP cells can be charged up to 3c, but there will be chorter life time of the batterys, also chargers needs improved software, i belive TP has one on the way for fast charging Lipos.

[STR8HUCKIN]

that video was cheese..... big time

[Vortex]

I would pay for any lipo that charges fast

[Benji]

cool man!!

[fly boy]

well general theirs 4 hackers hook up to a single so that 400$ a piece plush the drive is another 1000$ each has a esc around 90 amp so that like 250 x 4
batts are like 4 grand the power unit with batts run around 10 grand alone
batts
motors
esc
drive


rcu has a few threads.

[fly boy]

	Quote: Originally Posted by choppedlow
	Seeing Beavis's Dalton on batteries, and then hearing of them being stolen about six months ago, I am wondering how much does this set up go for. Seriously. Are there battery packs out threr you can buy, or do you have to know the guy at Thunder Power, and have his rocket science guy build some custom packs just for you? So lets say you want to get what he has in that yellow and purple Dalton. The Hacker quad set up, ESC's, and two sets of packs....how much? Where? Again, the motors seem avaliable as well as the ESC, but can you buy the batts over the counter? I have heard they cost like $5000 just for one set, and they don't last, and they don't make a charger for them so you have to have one made...... What is the truth, and will it ever be likely to go this route? I would love to get into the large electrics, but it seems that every three months it just evolves so much, its not worth the effort, just yet. I see he also is spinnig a VESS prop, as well. SLICK! Thanks for any response.

usually its a number of packs built up for mah or capacity.
so thats how u can charge them one at a time.

[Joacim]

Thats why we wanted to use one motor with no gearbox, one ESC and one big battery, keep efficiency up and cost down. This powersystem can in teory give up to 35kg of trust, with a total weight of only 4,4kg

[why_fly_high]

	Quote: Originally Posted by Joacim
	Thats why we wanted to use one motor with no gearbox, one ESC and one big battery, keep efficiency up and cost down. This powersystem can in teory give up to 35kg of trust, with a total weight of only 4,4kg

Is that weight including the battery? If so that is definitely in the ball park for the weight of a 150, cannisters and fuel. 35kg might be a little lower but still respectable for a 40 pound plane.

Dan

[Kiwi]

	Quote: Originally Posted by aerojack
	Whatever happened to Toshibas LIPO that will charge in 1-2 minutes? It was invented last year and was supposed to hit the market by now? This Batteries release into the mainstream public would of and will drive the prices of 'standard 1hr or more charge' lipos WAY down. this would be one step to a great price reduction for the elec. side of our hobby. I guess the charging method changes drastically with this new battery and the cost of the charger is more. But as with everything else just give it time and the price will drop on that charger. I cant help but wonder if Toshiba was stopped from marketing this Battery because everyone else is making such a killing off the lipos as they are now. And with 'new' lipos charging in 1 minute, The 'old' lipos would take a huge hit in their sales.?? Hmmmm. I believe that in certain situations there are things that could make our hobby better and more affordable that we will never see because of political bullsh** and red tape. We get the crappy end of the stick for things that are out of our control, and will never get to see the benefits of some of the newly developed products because of reasons just like I hypothisised. Too sad!!

I seen an article related to this subject and it didnt make it look simple for RC with those packs.

Heres a very rough and easy way to explain why. If your 40% flies around for ten minutes and draws an average of say 80 amps over those ten minutes it would theoretically take 800 amps to recharge the packs in 1 minute. Where are you going to find 800 amps. So then to replace what you took out at the same rate as you used it, it still requires 80 amps for ten minutes. Still very hard to find.

On cell phone batteries they are looking for around 3 amps to 13 amps. Thats achievable and easy.

For our RC needs we would need to carry round a DC welding machine to get the grunt we need to charge these plus a 380 volt power supply to feed it.

It gets sort of daunting when you look at it in that perspective Jack.

Kiwi

[Joacim]

Batterys 15s2p 2,7kg, motor 1500g, controller 400g, trust 35kg+-, hard to say what happens if one puch the motor to 13kw 10kw it holds 90% eff.