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ALES motor chart

ALES is for Altitude-Limited Electric Soaring

To help you choose the right power setup for your preferred motor glider for ALES competition, we've put together this table with the best setups we've tested on different airframes.
Since ALES competition does not require that ultimate power setup, but the lightest yet powerful enough system that will bring your glider to 200m in about 20 sec. this leaves a 10 sec safety window.

 

Max. model weight

suggested motor setup max Watt motor weight motor dia.
> 600 g (21 oz) Compact 380, 8" x 4.5", 20A esc, 3S 700mAh 150 W 30 g (1oz) motor within 30mm dia. spinner
> 900 g (32 oz) Compact 700, 11 x 8", 30A esc, 3S 100mAh 200 W 58 g (2oz) motor within 39mm dia. spinner
> 1200 g (43 oz) Mega ACn 16/25/5, 12" x 6", 40A esc, 3S 1300 mAh 300 W 115 g (4oz) 28 mm (1.1")
> 1700 g (60 oz) Mega ACn 22/20/3, 11 x 7, 50A esc, 3S 1700mAh 450 W 165 g (5.8oz) 36 mm (1.41")
> 2500 g (88 oz) Mega ACn 22/3S, 13 x 7, 75A esc, 3S 2200 mAh 600 W 189 g (6.7oz) 36 mm (1.41")
> 3500 g (124 oz) Mega 16/25/1,5S PG 4,33:1, 14 x 10, 100A esc, 3S 2200 mAh 1 kW 152 g (5.4oz) 28 mm (1.1")
> 3500 g (124 oz) Mega ACn 22/35-4S, 15 x 8, 80A esc, 4S 2200mAh 900 W 245 g (8.6oz) 36 mm (1.41")
> 4000g (141 oz) Mega ACn F5J PG 6.7:1, 17 x 13, 120A esc, 4S 2600 mAh 2 kW 182 g (6.4oz) 28 mm (1.1")
         
Note: besides the Compact motors, they are all inrunner motors, well suited for the narrow glider fuselages, and are direct drive unless specified

 

 

 

 

 
 

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