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Bolly Propellers

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OUR CUSTOM PROPELLER FOR WAR BIRDS, MINI-MUSTANGS

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Bolly Propellers for Aircraft, Hovercraft, Airboats, Wind Machines, Wind Tunnels, Large or Small

Bolly propellers are a product of over 25 years experience in design and manufacturing carbon composite propellers. All components manufactured in-house by Bolly Aviation in Australia. We proudly bring Bolly products to the USA, and also ship them worldwide! We offer Bolly Optima Series 3, Bolly Brolga Magnum and Bolly Brolga Sports propellers, including all replacement blades, spinners and hubs, for 2 to 6 blade propellers.

Bolly Propeller Suggestion, Quote Request or Order Form

*Shipping Bolly Propellers World-Wide For $85 USD, or less !!

SALE--10% Off Bolly Replacement Blades

Protect Your Rotax Gearbox from Over-Weight Propellers--Buy a Bolly!

Call  1-251-609-0969 in USA
Call  +1-251-609-0969 Outside USA

Warp Drive replacement blades Bolly blades fit Warp Drive hubs Warp Drive props Warp Drive replacement propellers

Bolly Carbon Fiber Composite Propellers

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Bolly Optima Series 3 Ground Adjustable Pitch Propellers

Bolly Optima Series 3 propellers meet ASTM F2506-10 FOR LSA Aircraft !!

Bolly Optima Series 3 Propeller Technical Manual pdf

The Bolly Optima Series 3 (BOS3) propellers are ground adjustable allowing the blade pitch to be altered to suit your needs, having a substantial 38mm blade root shank.  All Bolly 2,3 & 4 blade propellers are sold as digital weight matched component set and are well within the Mass Moment of Inertia limits for Rotax gearboxes, unlike some common carbon fiber sport propellers.. Performance is supreme, with silky smoothness at high efficiency levels. Bolly Optima Series 3 propellers run much quieter than Warp Drive and other props due to their designed shape and construction and come standard with an efficient tapered-tip feature included, a $60 per blade option for a Warp Drive propeller..

Rated for up to 125 HP, Mach 0.8 tip speed limit continuous for cruise power setting is suggested. Use with a belt reduction or gearbox, 2-stroke, 4-stroke or Wankel engines. NOT for direct-drive engine use. Bolly Optima Series 3 Blades come standard with the Dura-Tuff urethane leading edge protection, which is about as hard as "roller blade wheels", provides excellent protection against sticks, stones, birds, grass, weeds, muffler springs, nuts/bolts, sunglasses and water. This prop is also excellent for use on airboats and hovercraft. Rounded Blade Tips now available for the "War Bird" look on the 75% scale Titan T-51 kit plane, and others !

Adjustable Propeller Blade Pitch

The Bolly Optima Series 3 Blades are ground adjustable to the required pitch and engine load. Bolly has optimised the design to allow for this. As with all props they are at their most efficient at one optimal pitch setting, and it is this setting that we quote. Set the blade pitch to load your engine at the RPM you want at full throttle The actual Blade pitch setting is your choice.

Bolly Optima Series 3 Hub Details

All BOS3 Hubs are CNC machined from only the best aviation grade 7075 T6 series alloy plate (not a low-cost casting) and treated for corrosion resistance, hence the gold color. The hubs feature a blade grip pattern that is far superior to a smooth surface, it has more grip surface area and the blade pitch is held rigid when the hub is tightened. Hubs to suit the 75mm PCD bolt pattern, ie many Rotax, Hirth etc are available in 2-Blade, 3-Blade and 4-Blade. We also have hubs for most other common bolt patterns such as Rotax C box (100mm PCD), some Subaru’s (4 inch / 101.6mm PCD) and to suit Rotax 912 / 914 (old and new with rear face drive stud holes) and SAE1 & 2 patterns. Note: Overall propeller diameter may vary depending on the hub used. For example a 72" diameter may vary to 70" in a Bolly 912 hub, 71.5" in a 2-Blade or 3-Blade 75mm PCD hub or 72" and 74" in Optima 4-Blade hub.  The following terms are used interchangeably and are all the same item:  Bolly Optima Series 3 and BOS3. The New Bolly BOS3 4X hub makes up to a 74" prop, 101.6 mm bolt circle for the Rotax 912/914 engine. Standard Propeller diameters are 56", 62", 66", 68" or 72" LH or RH, plus custom diameters to fit.

Buy Bolly Propellers Bolly Propeller for sale Bolly Aviation Brolga propellers Bolly props Brogla propellers warp drive replacement blades Optima propellers Sports,magnum replacement blades carbon composite blades Warp Drive replacement Warp Drive propeller USA distributor Bolly prop dealer warp drive replacement airboat propellers hovercraft propeller sports propeller worldwide sales aircraft propeller carbon fiber carbon fiber composite hovercraft PPC PPG ultralight light sport LSA Series 5 Jabiru Bolly Aviation Brolga, BOS 3 Optima Carbon Composite Propellers World Wide Bolly Brolga Optima BOS3 Composite propellers on sale this month Bolly propellers replacement blades worldwide eliche, Helices

Protect Your Rotax Gearbox from Heavy Propellers--Watch this Short EAA Video- Then Buy a Bolly!

Rotax Mass Moment of Inertia Propeller Test Procedure, Do-It-Yourself Bulletin

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Complete Bolly Optima Series 3 (BOS3) Propeller Sets

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*NOW Shipping Bolly Props World-Wide-- ONLY $85 USD, or less with Purchase of any 2, 3 or 4-Blade BOS3 Propeller !

*Bolly Optima Series 3 Prop Package

2B AUD

2B USD

3B AUD

3B USD

4B AUD

4B USD

BOS3 72  L/H or R/H full prop $1,310 $944 $1,725 $1,242 $2,220 $1,599
BOS3 68  L/H or R/H full prop $1,280 $922 $1,680 $1,210 $2,160 $1,556
BOS3 62 L/H or R/H full prop $1,250 $900 $1,635 $1,178 $2,100 $1,512
BOS3 53 L/H or R/H full prop $1,220 $879 $1,590 $1,145 $2,040 $1,469
BOS3 74 full prop kit- 4X hub X X X X $2,218 $1,597

*NOTE: The BOS 3 propeller kit INCLUDES standard prop mounting hardware, faceplate/washer plate and engine mounting bolts, with no extra cost. We need the details of your engine and gearbox etc,  so we may provide the correct hardware.

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New Optima 4-blade War Bird Propeller for the Titan T-51 75% Scale Mustang and Rotax 912/914 Engines

Bolly Optima Series Three Replacement Blades

The Design:
Latest in Prop & CAD Technology. Using true Airfoils
Designed for maximum efficiency and safety

The Construction:
CNC milled tooling for optimal accuracy
Genuine carbon fibre composite
Unbelievably light and strong

The Flying:
Incredibly Smooooth
Incredibly Powerful
Incredibly Efficient
Incredibly Quiet

Replacement Matching Blades Shipped within 48 Hours !

10% Off Bolly Replacement Blades

Product Part #

Description-Each

AUD

USD

BOS3 72 DT

72 LH or RH with DT edge, each

$395 $295

BOS3 68 DT

68 LH or RH with DT edge, each

$380 $284

BOS3 62 DT

62 LH or RH with DT edge, each

$365 $273

BOS3 53 DT

53 LH or RH with DT edge, each

$350 $262

Custom propeller diameters are available to fit your application up to 72" or 74" with BOS3 4X hub

Bolly Brolga and Bolly Optima Series 3 Blades fit Warp Drive Propeller Hubs! Save your Rotax Gearbox!

Rounded & Painted Blade Tips now available for the "War Bird" Look !

Bolly Optima Series 3 Hubs (BOS3)

The Hub Design:
Designed for maximum simplicity, strength and safety
Using CAD Technology for best shape
Will fit most spinners easily
Choice of 2, 3, and 4 blades

The Hub Construction:
CNC milled tooling for optimal accuracy
Corrosion resistant treatment
High strength alloy

The Hub In Use:
Very Positive blade gripping
Very Accurate assembly
Very Smooth running

These magnificent hubs are truly works of art. CNC machined into 7075 alumiuium plate and "gold" anodised for a great look and corrosion protection. Bolly provides these hubs a lifetime warranty.

Product #

AUD

USD

BOS3 Hub 2

$475

$359

BOS3 Hub 3

$495

$372

BOS3 Hub 4

$595

$445

*BOS3 Hub 4X

$770

$575

*NOTE: The NEW BOS3 4X hub provides up to a 74" diameter due the the hub diameter compared to BOS3 Hub 4, and has the Rotax 101.6 mm bolt pattern drilled. Use in a smaller diameter as needed to fit your application when using the Rotax 912/914 engine, pusher or tractor. Bolly Brolga (Magnum, Sports) blades also fit this hub.

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Bolly Brolga Ground Adjustable Pitch Propellers

Standard Brolga Propeller overall diameters are 56", 62", 66", 68" or 72" LH or RH, plus custom diameters to fit

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Brolga Propeller Technical Manual pdf

The Brolga Sports and Brolga Magnum are a lower-cost, high performance, ground adjustable propellers with many advantages.  Either of these propellers may be used on engines up to 125 horsepower output, including the Rotax 912 or 914 engines, Subaru and similar 4-stroke engines using a gear box or belt drive. They are not for direct-drive engine use. Bolly Brolga (and BOS3) propellers run quieter than Warp Drive and other props due to their designed shape and construction. This prop is also excellent for use on airboats and hovercraft if using the Brolga Magnum blades with Dura-Tuff leading edge. All Bolly 2,3, 4 and 6 blade propellers are sold as digital weight matched component set. All Bolly blades come standard with an efficient tapered-tip feature included, a $60 per blade option for a Warp Drive propeller.

The Brolga Sports Propeller: The Brolga Sports propeller has a similar cost to the Warp Drive propellers, but are lighter and spin up much faster when throttle is added. The blades are very rigid, made of carbon and glass fiber cloth with no extra leading edge protection. (but this is an option by selecting Magnum blades). The Hub is a round, machined aluminum alloy and anodized gold. This hub is a little heavier than the Magnum and Bolly BOS3 hubs.

The Brolga Magnum Propeller: The Brolga Magnum is the next step up from the Sport Propeller and has a similar cost to the Warp Drive propellers with extra leading edge protection, are very rigid but are lighter, and spin up faster when needed than Warp Drive propellers. The Magnum propeller has the same blades as the Sport but has Dura-Tuff leading edge protection built-in as standard.  Choose this blade if operating off water or from dirt strips or from sandy beaches. The Dura-Tuff urethane leading edge protection is nearly as hard as "roller blade wheels",  provides excellent protection against sticks, stones, birds, muffler springs, nuts/bolts, sunglasses and water. The Magnum uses the Sports hub design but is further machined to make it lighter without sacrificing strength.

Brolga Sports and Brolga Magnum blades and hubs are interchangeable to mix and match as needed, and blades are individually repairable or replaceable. Replacement matching blades are shipped withing 48 hours, if one or more are damaged.  All Rotax propeller bolt patterns are available and many other custom patterns as well. The Bolly blades, including BOS3 blades, have a 38 mm diameter root shank, the same as Warp Drive blades and others.

Protect Your Rotax Gearbox from Heavy Propellers--Watch this Short EAA Video- Then Buy a Bolly!

Brolga Sports and Magnum Propellers

*NOW Shipping Bolly Props World-Wide For ONLY $85 USD with Purchase of any 2, 3, 4 or 6-Blade Brolga Propeller !

*Brolga Propeller Packages

2B AUD

2B USD

3B AUD

3B USD

4B AUD

4B USD

Sports Blades, Sports hub, hardware $755 $544 $990 $713 $1,225 $882
Magnum Blades, Magnum hub, hardware $965 $695 $1,250 $900 $1,535 $1,106
Sports Blades, Magnum hub, hardware $865 $623 $1,100 $792 $1,335 $963
Magnum Blades, Sports hub, hardware $855 $616 $1,140 $821 $1,425 $1,026
Sports Blades, BOS3-4X hub, hardware x x x x $1,730 $1,246
Magnum Blades, BOS3-4X hub, hardware x x x x $1,925 $1,386

Standard Brolga Propeller overall diameters are 56", 62", 66", 68" or 72" LH or RH, plus custom diameters to fit

*NOTE: The Brolga propeller kit INCLUDES standard prop mounting hardware, faceplate/washer plate and engine mounting bolts, with no extra cost. We need the details of your engine and gearbox etc,  so we may provide the correct hardware.

Bolly Propeller Suggestion, Quote Request and Order Form

Brolga Replacement Propeller Blades

Bolly props run much quieter than Warp Drive and other props due to their designed shape and construction !

Replacement Matching Blades Shipped within 48 Hours !

10% Off all Bolly Replacement Blades

Product

Brolga Sports and Magnum Blades

AUD

USD

Sports Blades

Composite RH or LH single adjustable blade

$230

$176

Magnum Blades

Composite RH or LH single adjustable blade with DuraTuff leading edge

$280

$215

Standard Brolga Propeller overall diameters are 56", 62", 66", 68" or 72" LH or RH, plus custom diameters to fit

Brolga Propeller Hubs

Product

2B AU$

2B USD

3B AUD

3B USD

4B AUD

4B USD

6B AUD 6B USD

Sports Hub

$260.00

$198

$265

$210

$270

$230

Call

Call

Magnum Hub

$370.00

$285

$375

$295

$380

$305

Call

Call

Bolly Brolga and Bolly Optima Blades fit Warp Drive Propeller Hubs!

Brolga Propeller Hardware

Product

Description

AUD

USD

Hub Bolt Set

AN bolts washers and nylocks 2 each blade

$18

$13

Engine bolts

M8 plated bolts washes and nylocks

$18

$13

Bolly Propeller Spinners

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We offer the Bolly Kevlar reinforced, all-glass composite spinners with matching backing plates, all finished in white polyester gel coat, with blade cutouts, ready to install on your Bolly propeller.  Bolly Spinners were designed fully in-house which complements our full range of hubs and is sure to impress.  Available in 240mm (9.45 inches OD) and 265mm (10.45 inches OD). Just $375 USD, or $275 USD when purchasing any 2, 3 or 4 blade propeller. Included in the spinner kit is the spinner dome, backing plate and all mounting hardware. The Bolly spinner is "ready to install" with all cutouts and fitting completed with precision.

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Bolly Propeller Blade Construction Information

Blades run much quieter than Warp Drive and other props due to their designed shape and construction !

The Bolly Optima Series 3 (BOS 3), Magnum and Sports Propeller Blades were developed using computer design techniques, CNC machining and are manufactured from a variety of top quality raw materials, primarily Carbon Fibers of several weaves and Epoxy Resin.  There are also glass fibers used for extra leading edge impact protection and Aramid (Kevlar) fibers for surface tear resistance.  The combination of all these materials, and blade shape, delivers OPTIMUM strength for weight, with high efficiency.  The use of a low density core material helps reduce noise, vibration and blade resonance issues. Replacement matching blades are shipped withing 48 hours, if one or more are damaged.

Dura-Tuff Leading Edge Protection

The Bolly Dura-Tuff propeller leading edge has been developed from hardened urethane material made an integral part of the blade leading edge to provide additional protection when prudent against water, gravel, stones and other foreign bodies that are occasionally ingested into and damaging to propellers. It has the toughness of roller blade wheels. It is a great value, in effect eliminating leading edge repair and the servicing of add-on urethane leading edge tapes. Dura-Tuff comes standard on the Bolly Magnum and Bolly Optima blades.

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Proven Propeller Combinations and More

Read comments by "STOLSpeed" about the Bolly BOS3 propellers when tested and compared to many others on a Rotax ULS engine :

"The Bolly blades are considerably lighter than the Warp Drive blades, so the rotational inertia is noticeably less. This makes it smoother running, and considerably less jolt on start and stop. The blades are wider than the Warp and a more rounded shape as seen in the photos. The 'Dura-Tuff' leading edge protection is a heat-cured polyurethane, moulded into the leading edge. It’s resilient and very effective protection against chipping. The Bolly hub also uses the 101.6mm bolt pattern and drive lug system, particularly suitable for the 100hp engine. It's very nicely machined, solid, and attractive so it doesn't really need a spinner."
Find the entire report here: www.stolspeed.com/id/62

News : Latest overspeed testing has gone to Mach 1.01 tip speed (for proving the DuraTuff leading edge integrity). Also, Bolly propellers allow users to operate well within the mass inertia limits of the Rotax gearboxes A,B, C and E, unlike some popular, lower-cost, but heavier sport propellers.

The Bolly BOS3 68 (left and right hand versions) in our standard hub (66" 3B prop) have been certified for use in the Airborne XT series of Trikes, with Rotax 912 or 582. This entailed, amongst other things, over speed testing at mach .97 tip speed using every bit of power from a 200hp engine – an awesome experience that has given us enormous confidence in our product. And then there was the 10 ton pull test + more. ALL GOOD !

Trike with Rotax 582 3.47 gearbox using 68" R/H blades in a BOS3 – 3B hub, a perfect combination on Airborne Edge machines, winning rave reviews from the many who are using this combo.

Extensive Trike testing has shown our props are suitable on all Rotax 912 / 582 / 503 powered trikes from slow to fast Trike Types.

Sapphire. The most recent tests have been the BOS3 53 x SR as a 3B prop, (trimmed slightly in diameter to 60") for use on the Sapphire. Initial feedback is
exceptionally good. We are waiting for a full report from Steve Dumnsey of Sapphire Aircraft..

Savannah / Lightwing etc with 100hp Rotax 912S is great when using the BOS3 72 S R blades in a BOS3-3B hub. True size 70" 3B, or alternatively if ground clearance or cruise speed are priorities – the same but using the BOS3 68 SR blades (true size = 66" 3B).

Skyfox / Lightwing / Rans with Rotax 912 using 72 S R blades in a BOS3 – 2B hub, depitched. True size is 70 2-Blade. We prefer the 3-Blade prop, see below …

Lightwing / Rans / Skyfox / Gazelle etc with Rotax 912 using 68 S R blades in a BOS3 3-Blade hub, depitched. True size is 66 3-Blade. Awesome smoothness.

Lightwing (or similar) with Rotax 582 2.62 gearbox using 68 S L blades in a BOS3 3-Blade hub, depitched. True size is 66 3-Blade. Can also be used as 2-Blade with slightly more pitch.

Lightwing (or similar) with Rotax 582 / 532 2.58 box using 68 S L blades in our BOS3 2-Blade 75mm PCD hub. Depitch to 18 degrees at 22" radius. True size is 67.5 2-Blade.

The Cobra Arrow 108hp Subaru belt drive is using 72 S R blades in a BOS3 3-Blade hub, pitched up. Awesome performance, we credit the prop, Tom credits the airframe. Both win.

The 72 S Left or Right is proving to be excellent on many different applications, the most common being Subaru engined machines such as Foxcon Terrier or Gyro’s

*NOW Shipping Bolly Props World-Wide (Europe, Asia, the Americas, NZ, AU, etc.) for ONLY $85 USD with Purchase of any 2, 3, 4 or 6-Blade Complete Bolly Propeller package, shipped to where ever Star Track, AU Post or USPS Delivers on Planet Earth !! This offer is valid through June 2017.

Protect Your Rotax Gearbox from Heavy Propellers--Watch this Short EAA Video- Then Buy a Bolly!

________________________________

CONTACT US or email: hoverhawk(at)gnt.net for a Bolly propeller recommendation for your particular application. Provide us all the details.

Bolly Propeller Suggestion, Quote Request and Order Form

Contact Telephone Numbers:

1-251-609-0969 in USA
+1-251-609-0969 Outside USA

CONTACT US or email:  hoverhawk(at)gnt.net

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SELLER'S NOTICE AND DISCLAIMER

Prices, specifications, and availability are subject to change without notice. Products and materials advertised on this website are sold with the understanding that the buyer assumes all risks and hazards involved in their use or application. Buyer/User acknowledges assumption of all risks, hazards and further indemnifies seller by purchasing and/or using or reselling the products advertised and sold on this website. No express or implied warranties asserted nor fitness of merchantability claimed by Seller.

Some Interesting Links

www.WarpDriveProps.com     www.Hoverhawk.com     www.AbleLegalForms.com