IAD Model Designs

Petrol Engines

Singles

ROTO 25V

Specification
Displacement		24.9cc
Bore		34mm
Stroke		73.2mm
RPM		1200 - 7800 RPM
Weight		1100g
Fuel/Oil		50:1 Petrol / Synthetic Oil
Con Rod		2 Needle Bearings
Crank Shaft		2 Ball Races
Ignition		Processor Controlled
Prop sizes 2 blade		18x10,
Prop sizes 3 blade		.
Price		£380.00

ROTO 35 FS

Specification
Displacement		34.8cc
Bore		39.5mm
Stroke		88.1mm
RPM		1200 - 7000RPM
Weight		1520g
Fuel/Oil		50:1 Petrol / Synthetic Oil
Con Rod		2 Needle Bearings
Crank Shaft		2 Ball Races
Ignition		Processor Controlled
Prop sizes 2 blade		20 x 8, 20 x 10, 21 x 8, 22 x 6
Prop sizes 3 blade		17 x 10, 18 x 10
Price		£0.00

ROTO 35Vi

Specification
Displacement		34.8cc
Bore		39.5mm
Stroke		88.1mm
RPM		1200 - 7700 RPM
Weight		1480g
Fuel/Oil		50:1 Petrol / Synthetic Oil
Con Rod		2 Needle Bearings
Crank Shaft		2 Ball Races
Ignition		Processor Controlled
Prop sizes 2 blade		20 x 8, 20 x 10, 21 x 8, 21 x 10,
Prop sizes 3 blade		.
Price		£420.00

Twins

ROTO 50V2

Specification
Displacement		50cc
Bore		34mm
Stroke		73.5mm
RPM		1200 - 7800 RPM
Weight		1800g
Fuel/Oil		50:1 Petrol / Synthetic Oil
Con Rod		4 Needle Bearings
Crank Shaft		2 Ball Races
Ignition		Processor Controlled
Prop sizes 2 blade		22 x 10 - 23 x10,
Prop sizes 3 blade		.
Price		£0.00

ROTO 70V2

Displacement		420cc
Bore		52mm
Stroke		50mm
RPM		1000-8500RPM
Weight		10250g
Fuel/Oil		35:1 Petrol/synthetic Oil
Ignition		ZDZ Processor controlled
Prop sizes 2 blade		38x14, 38x16, 40x12, 40x14
Prop sizes 3 blade		36x14 - 36x18
Price		£0