OXY 4 POWER SYSTEM AND HEAD SPEED SET-UP
In order to choose the best setup for your Oxy 4, and optimize performance, it is important to know some basic information:
1- Motor Kv – Min - Max - See your motor specification
2- Battery Pack – (3s or 6S)
3- Your target head speed
If you use a head speed calculator, use 150T for the main gear and one of the available pinions 14T – 15T – 16T – 17T -18T .
Head Speed Note: Although Oxy 4 can handle very high Head Speed, we suggest not to exceed 4500 RPM to maintain a good compromise btw performances and efficiency. Configuration examples Since the Oxy4 is a
high performance 3D RC
helicopter, we suggest using high quality power components including motor, battery and ESC. Remember the Oxy 2 is a 200 class heli – use light components to maximize flight time and performance. Here are some
suggestions:
-
Motor: Suggested 3SKV: 3500 to 4000 or 6SKV: 1500 to 1900, 2216 to 2620 caliber series (stator diameter – stator length).
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Battery: 3S or 6S with capacity
3s to max 2250 (estimate) 6s to max 1800
(1800 max best suited for stretched Oxy 4)
45C discharge rate. Maximum size: length 110mm, height 34mm, width 43.5mm, weight 250g.
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ESC: 50 to 60A – with BEC V or higher.
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Cyclic servos: Standard Sub MICRO size servo speed: =>0.06 sec/60 at 6V.
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Rudder servo: Standard MICRO size servo – speed =>0.06 sec/60 at 6V – a specific rudder servo is suggested for best tail authority.
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FBL system: The Oxy 4 was designed around the U-Ikon / U-Brain and Neo V-Bar Systems. But many other smaller size FBL systems can be used, depending on your personal choice. Max inner Frame dimension 33mm.
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Main blade: The Oxy 4 can fly with main blades from 320 to 360mm. Our testing was with Zeal 325mm and Zeal 360 Carbon main blade. The Oxy 4 main grips use M3 clamp screw and have a 6 mm root.
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Tail blades: The Oxy 4 uses our own OEM tail blades, either 62 or 68mm (included with the kit). They use a M2 clamp screw and 3.5 root.
We offer 62 and 68mm tail blades to suit different head speeds. Use 68mm tail blades when your head speed is lower than 4500rpm and 68mm with higher head speeds.
Chapter 5: Pinion Selection & RPM
page 6
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