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« on: March 25, 2012, 10:21:20 PM »
jeevan reddy
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hello friends,
                 presently im flying a quadcopter with hk board and 2200mah turnigy battery and achieving 15 min. of flight time.now i want to increase flight time for some project in my college.plz can anybody suggest me how to increase the flight time and tell me to what extent i can achieve it.............................
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« Reply #1 on: March 25, 2012, 10:48:28 PM »
gbisht
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Jeevan Dont you think you have posted your query in wrong Section "Fore Sale" ??

To increase flight time, use Higher mAH battery pack. suppose presently you are using 7.2v 1000mAh then try to user higher mAh

What I understand is if you double your battery mAH, you will double your flight time  Wink

but obviously higher mAH also add weight on flight, try to buy higher mAH battery pack with same weight or near around existing one
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« Reply #2 on: March 25, 2012, 11:10:23 PM »
jeevan reddy
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gbisht sir,
           sorry for posting in the wrong section and thank you for ur reply.i know if we increase the mah flight time will increase but as the mah of the lipo increases load also increases,which is undesirable.can anyone suggest me some battery with less weight than turnigy brand and with  more power,irrespectable of its price......................
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« Reply #3 on: March 25, 2012, 11:19:39 PM »
gbisht
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Jeevan,

I just informed you, anyways you can use zippy, or Turnigy Nano Tech they are less in weight and give more power and Turnigy Nano need more care then normal LiPo. Not used Yet.

Bytheway what battery pack you are using ?? Give me detials of link ??
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« Reply #4 on: March 25, 2012, 11:35:40 PM »
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Note that increasing the mAH also increases weight, which in turn impacts the flight duration.  Increasing mAH will work to certain level, after which the weight effects will start to be significant.
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« Reply #5 on: March 25, 2012, 11:39:47 PM »
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just buy another 2200 mah and change it after 1st is empty
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« Reply #6 on: March 25, 2012, 11:46:41 PM »
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vineet bhai desi elaaj......;-)
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« Reply #7 on: March 25, 2012, 11:50:42 PM »
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no its a fact , there is no such battery which can come under cost for buying one more same battery ans increasing the time to double
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« Reply #8 on: March 25, 2012, 11:58:54 PM »
gbisht
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Vineet I have seen some battry same volt n mah in Turnigy nano section who have less weight but costly comparatively. need to know what exact battry jeevan is using. i.e I used Nine eagle solo pro it comes with 1s 120mah, turnigy nano is providing 160 mah in same weight.
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« Reply #9 on: March 26, 2012, 12:04:44 AM »
vineet
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still for 40 mah more , you cannot have much good time , just few minutes ,

read the first post you will find that that he is using 2200 mah
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« Reply #10 on: March 26, 2012, 12:09:46 AM »
gbisht
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buddy it was solo pro,
I just took an example.
in solo pro i increased 1/3 time of original, if on original it fly 15 min, then after upgrade it fly 20 min.
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« Reply #11 on: March 26, 2012, 12:15:41 AM »
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ok you have increased 40 mah which is 33% or 1/3 of the original mah value of the battery of solo pro which was 120 mah , that is obvious it will increase the time 33% or 1/3

if we take the same thing to 2200 mah so we require 733.33 mah more = 2200+734 equals 3000mah

and the price will be much more than buying 2200 mah one more , also the time will be double as compare to 33% more time if we opt for 3000 mah batery.
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« Reply #12 on: March 26, 2012, 10:18:35 AM »
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Try reducing weight of your quad. We (me & a friend) are stuck in a similar situation with a quad and have decided to replace all plywood parts with fibreglass or carbon fibre sheet.
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« Reply #13 on: March 26, 2012, 08:43:09 PM »
jeevan reddy
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thanks friends for your suggestions!!!!!!!
@gbisht im using turnigy nanotech 2200mah lipo  and i want to know if any other battery better than this?Huh?Huh??
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« Reply #14 on: March 26, 2012, 08:44:58 PM »
jeevan reddy
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@sunlike star ......im using all fibre glass parts in my quad. which are very light weight and the arms are of 1/2 inch aluminium tubes..........if any more suggestions?Huh?Huh?
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« Reply #15 on: March 26, 2012, 09:01:07 PM »
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One way to increase flight time is reduce the load on your batt. More load, more heat, less time. AU weight will be first thing to try and reduce.
A wrong motor + ESC combo will over work the battery to meet their demand, causing it to heat up. Even simple thnigs like motor-pinion, ESC's timing can make a lot of diff.

Also If your lipo is hot like you can't wrap your palm arund it at the end of flight, yu're probably drawing at a rate it can't actually supply.

Look for one with higher "C" i.e. discharge rate. Turnigy nanotech are really good choice you already made. Flightpower is probably better.
« Last Edit: March 26, 2012, 09:47:44 PM by satishkbg » Logged
 

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