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NEO 25 890kv set up for 3D flying

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NEO 25 890kv set up for 3D flying

Old 09-07-2012, 01:08 PM
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BR1
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Default NEO 25 890kv set up for 3D flying

I have no idea where to start with a set up for my extra 300 when it comes to what to run with my NEO 25 motor anything will help!?? esc, bat, prop, ect
Old 09-08-2012, 03:31 PM
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Default RE: NEO 25 890kv set up for 3D flying

come on now someone has to have something for me??
Old 09-08-2012, 07:53 PM
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Dr Kiwi
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Default RE: NEO 25 890kv set up for 3D flying

Just use the specs to get a rough idea: but if you don't tell us exactly which Extra 300 you have, we can't be more specific. [I've found reference to 40", 48", 65", 76"....]


Diameter: 42m (1.65in)

Length: 40mm (1.57in)

Weight: 149g (5.3oz)

Shaft Diameter: 5mm

KV(RPM/V): 890

Max Watt: 448

No load current: 1.2

Max Current: 55A

No. Of cells: 3-5S Li-Poly

Props: 11x8 to 14x7

This would indicate perhaps 14x7 on 3s, 11x8 on 5s... a 60A+ ESC... at 3W/g 149g is ~450W... so that is 40A on 3s (much less on 5s).... so you'd want battery packs which are capable of delivering 50A-60A.
Old 09-09-2012, 09:14 AM
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Default RE: NEO 25 890kv set up for 3D flying

thank you for what you gave me to go off of, and the extra i have is a seagull models 42" extra 300. I also dont believe they make this plane any more but if that helps please let me know.
Old 10-10-2012, 08:45 AM
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diy-pro
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Default RE: NEO 25 890kv set up for 3D flying

One way I easily find out an estimate of power needed is looking up simialar models. Mainly what size brushless is needed and battery. From there reccomended esc and battery c rate/ mah/weight just goes by what your motor demands

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