The OF multi rotor blades are designed specifically for the OF multi rotor heads and are suitable for other multi rotor systems. To help our customers evaluate the correct rotor blades for their model, here are the individual rotor blade specifications:

Each rotor blade set is pre-balanced. Symm = Symmetrical, Semi = Semi-Symmetrical, sometimes called S Profile and generates more lift for the same pitch angle over a symmetrical blade of the same length. This characteristic makes them popular in scale helicopters because the head rpm can be lower, and generate the same lift. Typically shorter, semi-symmetrical blades are preferred on multi-rotor heads because they maintain excellent lift and can be flown at lower head speeds.

Shims and Different Blade Bolts:

Main rotor blades are commonly shimmed to fit into larger main blade grips using large diameter, flat washers to take up the extra space. If your main blade bolt is a larger diameter (5-6mm), the majority of OF main blades can be drilled using a centering fixture to accurately enlarge the hole. If you are not comfortable with this type of modification, please seek help from experienced modelers. The 875mm OF151 & OF152 series, and the CH-53 800mm narrow cord rotor blades cannot be modified because of the carbon reinforcement located at the bolt hole.

Please note: We do not make rotor blade modifications ourselves and any modified blades are not returnable. Starwood Scale Models will not be held liable in the event that your blades are damaged as a result of making modifications.

Each blade in odd numbered multi sets is pre-numbered to assist in setting up the head. Even numbered multi sets come with two sets of pre-balance blades and replacement blades can be ordered in pairs.

670mm Main Rotor Blades OF062 Left Hand & OF064 Right Hand Series Rotation: Left & Right Length: 670mm Airfoil: S Material: FRP Recommended for:   60-90 Glow   Gasoline Many newer scale mechanics offer true-scale counter-clockwise rotation and OF offers these blades. These fiberglass main rotor blades are gelcoated in white but can be easily painted for your model. Each set is balance by hand for a perfect matched blade set. 670mm Main Blade Set, LH, Airfoil S (2) $170.60   670mm Main Blade Set, LH, Airfoil S (3) $243.40   670mm Main Blade Set, LH, Airfoil S (4) $316.20   670mm Main Blade Set, LH, Airfoil S (5) $389.00   670mm Main Blade Set, LH, Airfoil S (6) $461.80   670mm Main Blade Set, RH, Airfoil S (2) $170.60   670mm Main Blade Set, RH, Airfoil S (3) $243.40   670mm Main Blade Set, RH, Airfoil S (4) $316.20   670mm Main Blade Set, RH, Airfoil S (5) $389.00   670mm Main Blade Set, RH, Airfoil S (6) $461.80

These longer 875mm main rotor blades are suitable for gasoline and turbine models with 3 to 6 main blades. Similarly, odd blade sets are individually numbered and even sets come with two sets of matched blades.

875mm Main Rotor Blades OF151 Right Hand & OF152 Left Hand Series Rotation: Right & Left Length: 875mm Airfoil: S Material: FRP Recommended for:   Gasoline   Turbine Customers with traditional helicopter mechanics that turn clockwise can just as easily build their favorite model with these blade sets. Main rotor blades are gelcoated in white but can be easily painted for your model. Each set is balance by hand for a perfect matched blade set. 875mm Main Blade Set, RH, Airfoil S (2) $262.12   875mm Main Blade Set, RH, Airfoil S (3) $380.68   875mm Main Blade Set, RH, Airfoil S (4) $499.24   875mm Main Blade Set, RH, Airfoil S (5) $617.80   875mm Main Blade Set, RH, Airfoil S (6) $736.36   875mm Main Blade Set, LH, Airfoil S (2) $262.12   875mm Main Blade Set, LH, Airfoil S (3) $380.68   875mm Main Blade Set, LH, Airfoil S (4) $499.24   875mm Main Blade Set, LH, Airfoil S (5) $617.80   875mm Main Blade Set, LH, Airfoil S (6) $736.36

These 655mm main rotor blades are suitable for glow powered and gasoline models with 3 to 6 main blades. Similarly, odd blade sets are individually numbered and even sets come with two sets of matched blades.

655mm Main Rotor Blades OF153-155 Symmetrical Series Rotation: Right or Left Length: 655mm Airfoil: Symm Material: FRP Recommended for:   60-90 Glow   Gasoline These are symmetrical blades for scale helicopters that will perform scale aerobatics and will benefit from smoother loops and rolls. Main rotor blades are gelcoated in white but can be easily painted for your model. Each set is balance by hand for a perfect matched blade set. 655mm Main Blade Set, Symm Airfoil (2) $170.60   655mm Main Blade Set, Symm Airfoil (3) $243.40   655mm Main Blade Set, Symm Airfoil (4) $316.20   655mm Main Blade Set, Symm Airfoil (5) $389.00   655mm Main Blade Set, Symm Airfoil (6) $461.80

Each blade in odd numbered multi sets is pre-numbered to assist in setting up the head. Even numbered multi sets come with two sets of pre-balance blades and replacement blades can be ordered in pairs.

800mm Main Rotor Blades OF162 Left Hand & OF163 Right Hand Series Rotation: Left & Right Length: 800mm Airfoil: S Material: FRP Recommended for:   Gasoline   Turbine Many newer scale mechanics offer true-scale counter-clockwise rotation and OF offers these blades. These fiberglass main rotor blades are gelcoated in white but can be easily painted for your model. Each set is balance by hand for a perfect matched blade set. 800mm Main Blade Set, LH, Airfoil S (2) $262.12   800mm Main Blade Set, LH, Airfoil S (3) $380.68   800mm Main Blade Set, LH, Airfoil S (4) $499.24   800mm Main Blade Set, LH, Airfoil S (5) $617.80   800mm Main Blade Set, LH, Airfoil S (6) $736.36   800mm Main Blade Set, RH, Airfoil S (2) $262.12   800mm Main Blade Set, RH, Airfoil S (3) $380.68   800mm Main Blade Set, RH, Airfoil S (4) $499.24   800mm Main Blade Set, RH, Airfoil S (5) $617.80   800mm Main Blade Set, RH, Airfoil S (6) $736.36

These 620mm main rotor blades are suitable for glow powered and gasoline models with 3 to 6 main blades. Similarly, odd blade sets are individually numbered and even sets come with two sets of matched blades.

620mm Main Rotor Blades OF164-166 Symmetrical Series Rotation: Right or Left Length: 620mm Airfoil: Symm Material: FRP Recommended for:   60-90 Glow   Gasoline These are symmetrical blades for scale helicopters that will perform scale aerobatics and will benefit from smoother loops and rolls. Main rotor blades are gelcoated in white but can be easily painted for your model. Each set is balance by hand for a perfect matched blade set. 620mm Main Blade Set, Symm Airfoil (2) $162.28   620mm Main Blade Set, Symm Airfoil (3) $230.92   620mm Main Blade Set, Symm Airfoil (4) $299.56   620mm Main Blade Set, Symm Airfoil (5) $368.20   620mm Main Blade Set, Symm Airfoil (6) $436.84

These 800mm narrow cord main rotor blades are suitable for gasoline and turbine models. Each blade in this odd numbered sets is pre-numbered to assist in setting up the head.

800mm Main Rotor Blades OF800 Right Hand Series Rotation: Right Length: 800mm Airfoil: S Material: FRP Recommended for:   Gasoline   Turbine All of the excellent rotor blade characteristics that make OF blades world-class and now gives the modeler more flexibility in their rotor head setup and engine choice. These are very scale in appearance and allow greater pitch angles with an overall higher head speed. Main rotor blades are gelcoated in white but can be easily painted for your model. Each set is balance by hand for a perfect matched blade set. 800mm Main Blade Set, RH, Airfoil S (5) $617.80