O.S. Engine - BL MOTOR 2815-1100 - OSMG9492

• This is the 2815-1100 .28 Brushless Electric Motor from O.S. Motors.

FEATURES: 

• For .28 size airplanes
• Stainless steel prop shaft
• One front bearing
• Rigid rear mounting design
• Centrifugal fan design with angled ventilation holes draws air through the motor and across the windings and magnets for improved cooling
• Two year limited warranty through Hobby Services beginning at date of purchase

INCLUDES: 

• .28 Brushless Electric Motor with Backplate, four 3x4mm Mounting
• Screws, 3mm Gold Plated Male Plugs attached to leads, three 3mm Female Plugs with Shrink Wrap, Prop Adapter and Instruction Sheet

REQUIRES: 

• 30A brushless ESC such as the O.S. OCA-230 30A 25V, OSMM1110

SPECS:    

• Rated Voltage: 11.1
• Rated Current: 18A
• Maximum Current (5 sec): 25A
• No Load Current: 0.7A/10V
• Phase Resistance: 69 miliohms
• Phase Inductance: 23
• Maximum Efficiency: 80%
• kV: 1100
• Poles: 16
• Turns: 22
• Shaft Diameter: 0.12" (3mm)
• Shaft Length: 0.27" (7mm) front & rear
• Weight: 2.3oz (66g)
• Lead Wire Length: 1.6" (40mm)
• Lead Wire Gauge: 17AWG
• Length of Motor Can: 1.3" (32.5mm)
• Diameter of Motor Can: 1.1" (28mm)
• Length/rear of Motor Can to Prop Washer: 1.7" (42.5mm)
• Prop Washer Diameter: 0.63" (16mm)
• Thickness of Motor Mount: 0.078" (2mm)
• Width of Motor Mount: 1.6" (40mm)
• Height of Motor Mount: 1.6" (40mm)
• Performance for this motor with different props and LiPo cells is as
• follows (all data with O.S. OCA ESCs, and APC props):
• Prop Size Voltage Current Watts Thrust Cells RPM
• 8x4 12.6V 12.0A 151 0.82kg 3S 11,850
• 8x5 12.6V 13.7A 173 0.90kg 3S 11,620
• 8x6 12.6V 16.3A 205 0.82kg 3S 11,270
• 9x6E 12.6V 22.7A 286 1.2kg 3S 10,330
• 9x7.5E 12.6V 27.3A 344 1.2kg 3S 9,700
• 10x5E 12.6V 23.5A 296 1.4kg 3S 10,300
• 10x7E 12.6V 29.5A 372 1.4 3S 9,350
• 9x6SF 12.6V 32.5A 410 1.33kg 3S 9,000
• 10x3.8SF 12.6V 31.3A 394 1.50kg 3S 9,300
• 10x4.7SF 12.6V 32.0A 403 1.55kg 3S 9,080
• 11x3.8SF 12.6V 35.0A 441 1.65kg 3S 8,700

COMMENTS: 

• Nomenclature is defined as follows:
• 0MA means 0.S. airplane motor
• First two digits are the rotor diameter
• Second two digits are the length of the magnets
• Last digits indicate the kV of the motor