B40-8L Comp + 6,7:1 Kv 3470

Item no.:  10090904 EAN: 4250320247043  MPN: 
B40-8L Comp + 6,7:1 Kv 3470 - Image 1
B40-8L Comp + 6,7:1 Kv 3470 - Image 2
B40-8L Comp + 6,7:1 Kv 3470 - Image 3
B40-8L Comp + 6,7:1 Kv 3470 - Image 1B40-8L Comp + 6,7:1 Kv 3470 - Image 2B40-8L Comp + 6,7:1 Kv 3470 - Image 3
379,90 EUR
incl. VAT and excl. shipping
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  • Description
B40-8L Competition + 6,7:1 Kv 3470
 
recommended Model types: F3B,F3J, F5J, F3F light weight thermal gliders upto 4m and ~3,5kg at 3 to 4S LiPo
 
The integrated high-performance fan cools the B40 competition motors in the most effective way. The running noise is also reduced to a minimum with asymmetrically positioned air outlet holes. The outer housing design with milled cooling grooves offers perfect heat radiation with the lowest possible weight.

The B40 competition motors are equipped with segmented high-performance rotors made from optimized magnetic material.

The B40-Competition is equipped with larger ball bearings than its predecessor Hacker B40. This significantly reduces friction and optimizes service life. In addition, a stronger, internal shaft with a diameter of 5mm prevents vibrations at extreme speeds. The front and rear end shields are screwed together. The shaft is equipped with an integrated pinion. The increased power output of the B40 competition motors is guaranteed by a high-performance gearbox with a 6mm shaft.  
Specifiactions
max. power range [W] (max.15 sec.) 1100W (max. 10 sec.)
Poles 2
Turns 8
Idle current (I0) at 8.4V [A] 3,2
Internal resistance (Ri) [Ohm] 0,012
Gear reducing 6,7:1
Output shaft 6mm
Recommended timing [°] 0° - 5°
Switching Frequenzy [kHz] 8
Controller recommendation [A] (depending on setup) 55 - 90
Leerlaufdrehzahl pro Volt (kv) ohne Getriebe 3470
Dimensions and weight
Weight [g] 237
Length [mm]/[in] 89,7
Diameter [mm]/[in] 29
Outer diameter [mm]/[in] 29
Shaft diameter [mm]/[in] 6
Delivery contents
Prop Adapter Nein
Mounting cross Nein
Gold plug mm (recommended) 4 - 5,5
Backmount mountable Nein
Front mountable Ja
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