337 Skymaster Propellers

We specialize in Skymaster Propellers

We stock many serviceable and/or overhauled Skymaster propellers

We have most of the parts for the Skymaster propellers

Contact us for more information about your specific Skymaster Propeller needs

3 Blade versus 2 Blade Props FLIGHT TESTS:  Performed on 25 January 2002 in Nashville, TN
Comparison of 3 bladed vs 2 bladed propellers on Normal Aspirated 1968 Cessna 337, N2636S

Configuration:  Full fuel tanks, 2 passengers and baggage for both flights.

First flight = 3 bladed props, Second flight = 2 bladed props

Pilot: Steve Lloyd Tests Results Recorded by Owen Bell ADVANTAGES of the 3 Bladed M.T. Propellers vs 2 Bladed McCauley Props: 1.  Noise Reduction at the same power settings:
  • 1 Decibel less noise during Taxi
  • 3 Decibel less noise during Climb
  • 4-5 Decibel less noise during cruise at 6500 ft
2. Performance improvements at the same power settings:
  • ~3 seconds less ground roll on take off run
  • Propeller Synchronization much easier to maintain during climb and cruise
  • Rate of climb = no significant change
  • Cruise speed = no significant change
3. Weight reduction:
  • 60 lbs lighter (30 lbs each)
4. Time between Propeller overhauls
  • Much longer therefore the hourly operating cost is lower
  • 6 years or 2000 hours vs 5 years and 1500 hours
5. Appearance:
  • More Modern and Stately looking
6. In case of propeller strike
  • Much less likely to bend prop flange or break crankshaft
7. Cost

2 Bladed McCauley Propellers ~$13,000-~15,000 each plus spinners and bulkheads
Front spinner = $1995
Front Bulkhead = $2395

Rear Spinner = $$2395
Rear Bulkhead = $2395

3 Blade MT Composite propellers including spinners and bulkheads approximately $13,500 each exchange +$1500 for hot front prop
Plus shipping, installation, balancing and tax.