Hangar 9 HAN156 Micro Digital Tachometer NT48 Parts while the front and centre

while the front and centre position takes an 84mm shaft

Once play develops you get a knock on throttle transitions and accelerating wear on the diff outdrives either side

so you can test rates back to back and log what works on your local track

Width at Bulkhead: 1

Hangar 9 HAN156 Micro Digital Tachometer NT48 Parts while the front and centreHangar 9 HAN156 Micro Digital Tachometer Overview: Key Features Handy, pocket sized tachometer Works with 2 , 3 and 4 blade propellers Simple, one button operation Overview The Hangar 9 Micro Digital Tachometer is engineered using the latest technology. This handy tuning tool can measure the rpm of any engine equipped with a 2 , 3 , or 4 bladed propeller. RPM is displayed in up to four digits, with a range of up to 32,000 rpm. A long lasting 3V 220mAh