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Old Jan 18, 2012, 06:20 PM
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United States, OR, Molalla
Joined Oct 2010
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Originally Posted by mxcop View Post
I bet if you bought a couple of the new G6 65C packs you wouldn't go through 12 packs a year.... You can charge them at a rediculas rate, don;t think there's a charger out the that is capable of charging it at the max rate anyway. Like I said, the batteries have a 2 year warranty and a 50% off crash warranty, just don't see how you could go wrong. I have close to 500 flights on the G6 65C's, give or take some, every charge was at as high a rate as the power supply I used would allow, generally in the 17amps or so, and the batteries still feel as strong as they did new. Just out of curiosity, what are you paying for the 12 batteries a year? Here are the prices on the T.P. 1300's:

TP1300-2SPP65 1300mAh 2-Cell/2S 7.4V 12C 65C 130C 15.6A 84.5A 169A 77 13 x 31 x 98 29.99
TP1300-3SPP65 1300mAh 3-Cell/3S 11.1V 12C 65C 130C 15.6A 84.5A 169A 112 18 x 31 x 98 39.99
TP1300-4SPP65 1300mAh 4-Cell/4S 14.8V 12C 65C 130C 15.6A 84.5A 169A 144 24 x 31 x 98 54.99

Lee
I was buying HK packs but I recently switched over to Gens ace and I may try Sky Lipo. All have been about $12-15 each (3s 1300mah) after shipping. I'm more than happy with the Gens Ace packs. The ones I buy are only 25C but they way out perform my Turnigy Nano-tech 45C packs. I personally think, however, that TP has the best cycle life and maybe output, but it's not enough to match the price.

Are the G6 65C's you're talking about, Thunder Power?
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Old Jan 18, 2012, 06:24 PM
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TBone08's Avatar
United States, VA, Arlington
Joined Sep 2011
627 Posts
came back from my second day of flying the Extra 300, 12 mph winds what a fun experience ! the sticks feel more comfortable as I am getting used to the plane's responses. inverted needs very little down elevator, and KE just keeps straight forever. so, what's the weather like on Saturday
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Old Jan 18, 2012, 06:39 PM
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United States, VA, Arlington
Joined Sep 2011
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when you take off the wings, do you prefer to disconnect the cable from the receiver or its extension cable ?
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Old Jan 18, 2012, 06:51 PM
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United States, OR, Molalla
Joined Oct 2010
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EXTENSION!!! you don't want to be plugging them into the RX and taking them out every flying session. It's hard to do, plus it's ware on the RX and other wire plugs next to the one you're taking in and out. Even if I have enough cord on the servo itself to make it to the RX (I do), I always add servo extensions to plug in to.
Ok, I'm done with my rant
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Old Jan 18, 2012, 07:24 PM
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United States, VA, Arlington
Joined Sep 2011
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good rant tnx
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Old Jan 18, 2012, 07:27 PM
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United States, MI, Lambertville
Joined Feb 2011
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Originally Posted by cwojcik View Post
So far I have been extremely satisfied with my batteries from Sky LiPo. They are very light for their C rating and capacity (much lighter than Nano-Tech's, Zippy's, and Rhino's, and their 40C 4400 mah cells are close to the weight of 25C Thunder Power Pro-Lites), and provide very good power at very low prices. They ship from California so you will get them quickly (free shipping on orders over 50 bucks as well). Even my heli friends who beat the heck out of their packs say that they are awesome, and have held up better than Voltz. I have 2 sets of 4S 4000's with several hundred cycles on them and they still perform great. I have 2 sets of 4S 4400's which are just as good but I don't have as many cycles on them yet. I also have two sets of 5S 5000's without a lot of cycles on them but they have been great so far.

Banana Hobby was also cool enough to do a give-away of their new Genesis Power batteries. They sent me a 4S 4500 mah 55C pack and it's been great so far. Fantastic power that doesn't seem to sag at all no matter how hard I push it. They are more expensive, but they perform extremely well.
Wow and you can charge these at 8C.

Thats the highest Ive seen on the lower cost batteries.
For premium batteries my preference is Hyperion. I haven't found anything that's as durable and powerful, but I've only purchased the smaller packs for power systems. But I don't know what their support is like.
Wow and you can charge the Genesis at 8C, may have to give them a try.
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Old Jan 18, 2012, 07:31 PM
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awry's Avatar
Norway, Rogaland, Sandnes
Joined Oct 2009
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Originally Posted by Balsa Breaker View Post
Ive had pretty good luck with the Hyperions.
Same here. I've had good experience with their packs and they are my favorite. The only thing bothering me with the bigger 6-7s hyperions are the split packs. Seems to me that Hyperion is the only one following the new rule of lipo transportation. I would love to buy more hyperion packs but I hate split packs.
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Old Jan 18, 2012, 07:43 PM
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United States, MI, Lambertville
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Quote:
Originally Posted by cwojcik View Post
So far I have been extremely satisfied with my batteries from Sky LiPo. They are very light for their C rating and capacity (much lighter than Nano-Tech's, Zippy's, and Rhino's, and their 40C 4400 mah cells are close to the weight of 25C Thunder Power Pro-Lites), and provide very good power at very low prices. They ship from California so you will get them quickly (free shipping on orders over 50 bucks as well). Even my heli friends who beat the heck out of their packs say that they are awesome, and have held up better than Voltz. I have 2 sets of 4S 4000's with several hundred cycles on them and they still perform great. I have 2 sets of 4S 4400's which are just as good but I don't have as many cycles on them yet. I also have two sets of 5S 5000's without a lot of cycles on them but they have been great so far.

Banana Hobby was also cool enough to do a give-away of their new Genesis Power batteries. They sent me a 4S 4500 mah 55C pack and it's been great so far. Fantastic power that doesn't seem to sag at all no matter how hard I push it. They are more expensive, but they perform extremely well.

For premium batteries my preference is Hyperion. I haven't found anything that's as durable and powerful, but I've only purchased the smaller packs for power systems. But I don't know what their support is like.
Quote:
Originally Posted by Balsa Breaker View Post
Wow and you can charge the Genesis at 8C, may have to give them a try.
Quote:
Originally Posted by awry View Post
Same here. I've had good experience with their packs and they are my favorite. The only thing bothering me with the bigger 6-7s hyperions are the split packs. Seems to me that Hyperion is the only one following the new rule of lipo transportation. I would love to buy more hyperion packs but I hate split packs.
What do you mean by split packs and transportation rules?
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Old Jan 18, 2012, 07:45 PM
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United States, MI, Lambertville
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Originally Posted by Balsa Breaker View Post
What do you mean by split packs and transportation rules?
Why did it multi quote in my last post. Just a test.
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Old Jan 18, 2012, 08:16 PM
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Norway, Rogaland, Sandnes
Joined Oct 2009
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Quote:
Originally Posted by Balsa Breaker View Post
What do you mean by split packs and transportation rules?
What I heard is the reason for the split packs is new transportation rules for lipos. They have to be under a specific size. I don't know the exact Wh. The hyperion 6s4200 is just under this size so they aren't split packs while the 6s5000 has to be split internally. Hyperion has chosen to split them into a 2s and a 4s pack to get passed this rule. So the hyperion 6s5000 has two pairs of cables and two balancing plugs. It's really is just a 2s5000 and a 4s5000 wrapped under the same shrink. With these packs you'll have to wire them in series yourself to make it a 6s.

The two balancing leads is also annoying. Easier to plug only one. I think Thunder Power 6s5000 packs also has two balancing leads. That's a no go for me. I could make my own balancing plug but that's just extra work. I'd rather buy a battery with one pair of cables and a single balance plug.
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Old Jan 18, 2012, 08:35 PM
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USA, NE, Waverly
Joined Feb 2011
287 Posts
Build question:
Putting the 300 together.
Is everyone mounting the ball-links on the top of the aileron servo arms like the picture shows in the manual?

I mounted the ones on my 60" 540EXP on the bottom side. Much better geometry and MA, but was wondering if there is a reason to mount them on the top (which also requires a washer)!? Aileron differential possibly????

Also, has anyone tried using nylon bolts to mount their landing gear?
I had a Torque motor go out on me which caused a belly flop style landing and it twisted the LG mount, g10 and all, out of the fuselage. Looking to prevent this, even if I have to upsize the bolts.
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Old Jan 18, 2012, 09:10 PM
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Columbia SC
Joined Feb 2005
4,332 Posts
As long as the control rod doesn't hit the TE on full up deflection it doesn't matter whethere the ball link is ontop or bottom. Use the washer on the top of the ball either way. That will eliminate any possibility of the ball link coming off.
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Old Jan 19, 2012, 02:52 PM
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TBone08's Avatar
United States, VA, Arlington
Joined Sep 2011
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What's a good Watt meter for the plane? I'm flying around 5 min and 10 sec. (mostly at full speed) and only get 23% battery left with the Turnigy 3300 6s...
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Old Jan 19, 2012, 03:35 PM
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rapz0r's Avatar
Ljubljana, Slovenia
Joined May 2007
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Quote:
Originally Posted by TBone08 View Post
What's a good Watt meter for the plane? I'm flying around 5 min and 10 sec. (mostly at full speed) and only get 23% battery left with the Turnigy 3300 6s...
I think that is normal if you use full throttle a lot.

I'm using Turnigy Nanotechs 3300 6S and after 6 min flight get 25-30% left in the pack. This is mixed flying 3D/Precision, rarely using full throttle for longer than 10-15 seconds.

Thats with Turnigy setup drawing ~70AMPs or about 1500W.

PS. Out of curiosity, what prop are you using? You might want to try 15-16x8 if you haven't already.
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Old Jan 19, 2012, 03:43 PM
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United States, VA, Arlington
Joined Sep 2011
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I see. I do sport and precision most times, and would say 75% times full throttle, rest 3/4 throttle. I use 15x6 apc. I also got aside a 15x6 xoar and 15x7 and 15x8 but I dont want to try them with the 5 min time I get with a smaller prop...
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