A History of Commercial based Electric R/C Helicopters

Year	Name	Maker	Rotor diameter	Voltage (cells)	Motor gear ratio	Total weight	Body, features
1981	SkyLark EH-1 not available	Ishimasa, Japan	1020 mm fix. pitch	9.6V 600mAH	Mabuchi 540 twin		Bell 47, Alminium chassis
1985	Master EH not available	Aisonic, Japan	500 mm fix. pitch	8.4V 600mAH or cable	Mini-trix long (280-class) 10:1:4	500 g	Jet Ranger, Alminium chassis
1987	EH 550 not available	Aisonic, Japan	500 mm fix. pitch	8.4V 600mAH or cable	Mini-trix twin (280-class) 10:1:4	550 g	Bell 222, Alminium chassis
1988	EH 650 Hummingbird not available	Aisonic, Japan	520 mm fix. pitch	8.4V 600mAH or cable	AM-30 (380-class) 8.7:1:4	650 g	Alminium chassis, mini-gyro
	EH 650 Hummingbird long rotor	Aisonic, Japan	620 mm fix. pitch	8.4V 600mAH or cable	AM-30 (380-class) 8.7:1:4	650 g	Canopy, or Jet Ranger LSS-body, Alminium chassis, mini-gyro
	Tobuzo MH202 not available	Yuji Product, Japan	625 mm fix. pitch	7.2V 600mAH or cable	Mabuchi RK-370PD twin (280-class)	550 g	Alminium chasis
	Convert not available	Kyosho, Japan	530 mm fix. pitch	8.4V cable	Kyosho AP29 (380-class)	440 g	Simulator system
	Convert EX not available	Kyosho, Japan	585 mm fix. pitch	8.4V 600mAH	Kyosho AP29 BB (380-class)	640 g	Canopy or Hughes 300
	Baron Whisper (New release in August 98) not available	Kalt, Japan	950 mm	9.6V 1100~ 1700mAH	Mabuchi RX540VS (540-class) 20.6:1:4.12	1150~ 1350 g	Canopy or Huey Cobra FRP-body
	EP Concept	Kyosho, Japan	912 mm	8.4V 1000~ 1700mAH	Kyosho AP36 (540-class) 15.7:1:4.56	1250~ 1350 g	Canopy or LSS-bodies (Jet Ranger, Hughes 500)
	Hirobo's Shuttle E-conversion not available	Puma, Japan	(Shuttle)	20 cells 1700mAH	Astro Cobalt 40-8T		pinion gear, motor mount, 24V-controller
1996	EP Concept SR	Kyosho, Japan	912 mm	8.4V 1700mAH	K speed heli (540-class) 15.7:1.4.56	1400 g	Canopy or LSS-bodies (Jet Ranger, Hughes 500)
	Gyro Saucer	Keyence, Japan
1996	Baron Alpha Elec not available	SanwaKalt, Japan	1250 mm wash-out rotor	20 cells 1700mAH	Astro Cobalt 40-8T 9.78:1:4.6	3800 g
	Hyperfly (see the kit contents)	Kyosho, Japan	580 mm	7.2V 1100mAH	Kyosho AP29 HP	700 g	2 channels, no tail rotor Canopy, Apatch or Manta
1989	Honey Bee	?, Hong Kong	460 mm	7.2~8.4V	280 class	490 g	Aliminium chasis
1991	Hirobo's Shuttle E-conversion	Speed Models, Swiss	(Shuttle)	20 cells 1700mAH	Geist 45/9		6 min.
1993	Silence Electro	Vario, Germany	1500 mm	24~30 cells 1700mAH	HV 355 or Ultra 2000-7H	4500~ 5000 g	6~8 min. Canopy or many FRP bodies (Vitesse, etc.)
1994	Logo 30	Mikado, Germany	1500 mm	30 cells 1700mAH	Ultra 2000-7H or KBM 39/4 or KBM 77/4 or Tango45-04 or HP300/30/A4 9.8:1	4700 g	7~10 min. Canopy or Jet Ranger FRP-body
	Falco Electro	Vario, Germany	1340 mm	24 cells 1700mAH	Ultra 1600-8H	4300 g	Canopy or many FRP bodies (Vitesse, etc.)
1993	Trainer E	Graupner-Heim, Germany	1155 mm	24 cells 1700mAH	Ultra 1600-8H or Ultra1300-12H	4000 g	7~8min. Canopy or Ecureuil FRP-body
1994	Uni-E Trainer	Graupner-Heim, Germany	1320 mm	28 cells 1700mAH	Ultra 2000-7H or Ultra 3300-7H	5000 g
	Eco 8	Ikarus, Germany	1060 mm	6~12 cells 1700mAH	540-class performance-type	1300 g	8~14 min. flight, canopy or Jet Ranger, BO105,10~14 min.
	Eco lite	Ikarus, Germany	760 mm fix. pitch	6~8 cells	540-class sport-type	1150 g	2 channels, no tail rotor 5~8 min.
	Eco 16	Ikarus, Germany	1200 mm	14~24 cells 1700mAH	Heli-16 (Plettenberg?)	1650~ 2050 g	13~17 min. flight,canopy or Jet Ranger, BO105
	Heli-24 ( E-motor with a pinion gear for Shuttle)	Mega, Czech	(Hirobo's Shuttle)	24 cells 1700mAH	Heli-24	(400 g)	6~8 min.
1996	Bingo not available	K. Pustka, Germany	1270 mm stabiless	16 cells 1700mAH	Ultra 1600-8H	2750 g	8~12 min.
	Moskito Sonic	Robbe, Germany	1350 mm ~1470mm	24 cells 1700mAH	Robbe 600/8 or KE 536/7 Pro		Canopy or Hughes 300
1996	Heaven	Gensmantel, Germany	1060 mm	7~24 cells 1700mAH		1300 g	BO105
1997	Aluso	VoJo-Heli-Top, Germany	1140 mm	10 cells 1700mAH	Plettenberg 270/12/10H	1780 g	metal chasis
1999	Logo 20	Mikado, Germany	1340 mm	18~22 cells 2000mAH	Ultra1300-12H, KBM 67/7 or HP 290/30 or HP 300/25/A3 8~12:1:4.8	2900 g	mechanical mx. and computer mix.
	MIA Sport	MIA Designs, USA	508 mm	Nicd or Lithium	standard or coreless motor	113 g
	Eco Piccolo	Ikarus, Germany	520 mm	6~8 cells	280-class	280 g	Bell222 with ret. under carr., Bell-UH
	Voyager	JR, Japan	970 mm	7 cells 2000mAH	540 class (Speed600)	1438 g	CCPM NEA-300H(ESC) G-400(p-gyro) 5~8 min. Ecureuil, Agusta109Power
2000	Robin 280 Micro RC heli	MIA Designs, USA	553 mm	9.6V	standard or coreless motor	227 g

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