3" Cone screws directly onto Dynatron starter shaft. Accepts our 3" Inserts, (S636 and S637). Allows for much greater surface area to grip the spinner than the standard size insert. Great for big spinners on giant scale aircraft.
3" Cone screws directly onto Dynatron starter shaft. Accepts our 3" Inserts, (S636 and S637). Allows for much greater surface area to grip the spinner than the standard size insert. Great for big spinners on giant scale aircraft.