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Home✈️Aircraft🚁Helicoptere-AlignT-REX 500 › Whats more efficent 95% or 100%
08-21-2008 05:50 PM  12 years ago
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rexxn

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mountains

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Whats more efficent 95% or 100%
with stock motor and esc with 13t pinion whats more efficient as far as batterys adn flight time 95% throttle or 100%? running -13/+13 with outrage 2200mah 30 pack
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08-21-2008 06:02 PM  12 years ago
Heli 770

rrProfessor

USA.

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rexxn
The differences should be very little. You will gain a lot with good collective management running -13/+13.
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08-21-2008 06:53 PM  12 years ago
jimboflies

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Beaumont, Texas;

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100% is the most efficent..EP8 EX twinring frame
Quick of Japan
EP8v2 EX
EP9
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08-21-2008 08:23 PM  12 years ago
TJinGuy

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Socorro, NM - USA

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I have found that about 85% is the most efficient, but that is on the smaller motors in my Mini Titan and Rex450.- Chris

Team New Mexico
TJinTech
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08-21-2008 09:24 PM  12 years ago
blt4ice

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Newark, DE

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with stock motor and esc, at 85% with a 25c 2500mah 6s pack the evo 25, I get 6:30 min flight and put back 1800 to 1900mahBrian
Heli tools used: Torch, Pipe Wrench, 4 ft. crowbar
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08-21-2008 10:19 PM  12 years ago
Sillyness

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Little Rock AR

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What pinion?
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08-21-2008 10:41 PM  12 years ago
ArtK

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Temecula, Ca

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Efficiency is mostly determined by head speed.
If you can govern anywhere from 70% to 100% and achieve your desired head speed you will not loose much with efficiency. If you want more efficiency lower your head speed. Anyting over 1500- 2000 RPM's becomes increasingly less efficient due to blade profile drag exponentially increasing power required as RPM increases. However your performance will increase at higher head speeds. I would shoot for between 2600 and 3000 depending on how much stick banging you do and flight time you want.

I fly 8s 2200 at 2640 and get 5.5 minutes of very good smooth and powerfull 3d flight. I use a 12t pinion and a 1600 kv motor. I am governed at about 75-80%.

There are others that fly for 3.5 minutes at 3000 rpm.

Hope this helps.
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08-22-2008 12:06 AM  12 years ago
blt4ice

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Newark, DE

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What pinion?
13T
Brian
Heli tools used: Torch, Pipe Wrench, 4 ft. crowbar
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