THIS ENGINE WAS DESIGNED WITH AIR FILTER FOR UAV DRONE WITH 100 HOURS TBOH. EFI VERSION IS CUSTOMISED FOR DAVE PROJECT. 
IT IS NOT FOR HOBBY ENGINE 20-50 HOURS longevity. 
WITH CCW ROTATION FOR DRONE/UAV pusher engine, there are more normal propeller options in 2 or 3 blade. TEAM AUSTARS PROVIDE 24/7 TECHNICAL SUPPORT WITH WHATSAPP 00610433000015.
SPECIFICATIONS
 
Features of ECU system
- Compact choke structure for UAV with integrated wiring harness
 
- The ECU adopts the J30J aviation plug
 
- Integrated air & negative pressure sensors to adjust the fuel injection volumeautomatically
 
- Automatic pressure control fuel pump with only in/outlets, reliable and simple for UAV market
 
- Fuel pump consumption 3W only (12V/250mAh)
 
- PNP (Plug & Play with two hours factory run-in testing) without parameter adjustment
 
 
ECU: 110g
Fuel pump: 180g
Package includes:
The original factory engine (Normal version)
ECU
HV fuel pump
Harness and accessories 
 
 
Performance
Power: 17.5HP/7500rpm/38kg thrust (100 meter sea level)
H/L Idle Speed: 10000 rpm/1100rpm
Sparking Plug: NGK CM6
Propeller: 30X12; 32X10
Weight: 5.8kg
Parameter
Displacement: 170cc
Bore X Stroke: 52mm X 40mm
Compression Ratio:  9.5: 1
Fuel Ratio:  50:1
Ignition Volt:  8.4V
Fuel consumption: 3.5L/H (5000 RPM)
Voltage for autostarter: 24V (or 6S Lipo)
Carby: Walbro