What is the largest battery you can put on a blade 400  
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All Forums >> RC Helicopters >> Electric RC Helis >> What is the largest battery you can put on a blade 400
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What is the largest battery you can put on a blade 400 - 2/7/2008 5:43:57 AM   
besthobbie


 

Posts: 28
Joined: 1/26/2008
From: Buffalo, NY, USA
Status: offline 		Hey there folks i have a serious question. I have a blade 400 and own a 2100 mah and a 1800 mah and was wondering if i could install a 3200 mah as long as it is 20c? Im now hovering in the yard but 10 mins i think isnt enough.. I figured i would strap it under the landing gear and see what happens... I have had to upgrade my servo to the hitec hs65mgs and i believe it eats more power. Any suggestion????
       Post #: 1

RE: What is the largest battery you can put on a blade 400 - 2/7/2008 2:20:26 PM   
redvtr1000


 

Posts: 709
Joined: 6/29/2007
From: covington, GA, USA
Status: offline 		Ten minutes is a good bit of flight time.

I wouldn't reccomend going to a 3200mah pack. You are going to add a substantial amount of weight, and while it may fly that way, (could even make it more stable) I don't think the tradeoff is worth it.

Adding all that extra weight will put extra stress on the motor, possibly causing it to fail early. For the best performance, you probably just want to keep adding packs to your pile. If you are going to buy another pack anyway, try and grab something in the 2200mah range that will fit.

I get 7 - 8 minutes and that is plenty for me, I have 6 packs though. Good practice to fly a pack and let it cool for at least a few minutes before flying the next pack. This is probably even more important in the summers.

(in reply to besthobbie)
       Post #: 2

RE: What is the largest battery you can put on a blade... - 2/7/2008 3:08:56 PM   
AutoXMan



Posts: 4312
Joined: 1/12/2006
From: Trumbull, CT, USA
Status: online 		Yeah bad, idea you will make it a flying pig. T-rex's sometimes go up to 2500 evolites, but those are just as light as 2100's, but if I had to guess with the B400, a 2100 mah battery will be ok, just check the balance. It is better to get anothe rbattery than cramming a heavy battery in the heli.

(in reply to redvtr1000)
       Post #: 3

RE: What is the largest battery you can put on a blade... - 2/9/2008 3:54:38 PM   
besthobbie


 

Posts: 28
Joined: 1/26/2008
From: Buffalo, NY, USA
Status: offline 		Thanks for the input i will pickup a couple more 2200 or 2100. You just think you need more time...Thanks.

(in reply to AutoXMan)
       Post #: 4


RE: What is the largest battery you can put on a blade... - 4/2/2008 3:10:23 PM   
gboulton



Posts: 1861
Joined: 5/28/2005
From: La Vergne, TN, USA
Status: offline 		I had occasion to try a fairly good sized battery on my B400 not long ago. I must admit, I've forgotten the capacity, but it was in the 2400-2500 range.

Without a doubt, it was too nose-heavy for my tastes. While the heli didn't seem to be "struggling" any, it definitely threw it far enough out of whack that I spent more time trimming than I did flying. It struck me that a few minutes extra flying over the course of, say, an hour, just wasn't worth the hassle. I'd wager anything in the 3000+ range would be "ridiculously" nose-heavy.

The other thing to keep in mind is what you'd be gaining. Look at it this way...you already have an 1800 and 2100. So, you're flying, say, 20 minutes out of every 60. (ballpark). You're going to buy another battery. Another 2100 is...what...$70-ish. A 3300mah pack is a good $90-$100 even on CBP.com and will buy you...what...maybe 5 more minutes?? So, for an extra $30 or so, you'll get 35 minutes of flying per hour, instead of 30?? No better return (in terms of dollars per minute) than buying yet ANOTHER 2100 for $70...and then you won't have the weight/balance issue to worry about.

I run a couple of 1800's and a 2100 myself, and provided I take a cooler along to cool the batts, I can get into a pretty nice little cycle of flying one, cooling one, and charging one that let's me fly for 10 minutes or so with 10-15 minute breaks in between. That seems to work out pretty well, imo.

_____________________________

The free man will ask neither what his country can do for him nor what he can do for his country. - Milton Friedman

(in reply to besthobbie)
       Post #: 6

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