Welcome to Great Plains Aviation Supply LLC





CRANKSHAFTS!


82mm Forged Crankshaft
82mm Crankshaft
Our Forged 82mm E4340 "Top Bug" crankshaft is machined in the USA. It is used with our Force One Prop Hub Kit

This crankshaft is made to our specifications, based on our 31 plus years of manufacturing parts for use on VW engine conversions, as used in homebuilt aircraft. When used in our direct drive (on normally aspirated engines) it has had a failure rate of "0".

The "Top Bug" crankshaft features the following:
E-4340 Forged Steel
Nitrited
Counterweighted
Magnafluxed
4 or 8 flywheel dowel pins
Micro polished
1/2" - 20 prop hub retention thread
Balanced
Flat keyway for hub indexing
3 degree taper to match Force One Hub
Suggested additional items that may also be required:
Connecting Rods
Crankshaft Gear Set
Main Bearings, Rod Bearings & Cam Bearings
82mm Forged Crankshaft #0099. . . $695.95


82mm Counter Weighted Crankshaft
For use with Reduction or Flywheel Drive Engines
82mm CW Crankshaft Stock 82mm E4340 forged, nitrited, cw crank for use with Reduction or Flywheel Drive Engines.
Suggested additional items that may also be required:
Connecting Rods
Crankshaft Gear Set
Main Bearings, Rod Bearings & Cam Bearings
Stock 82mm Counter Weighted Crankshaft #0101. . . $409.00


NEW 69mm CW Crankshaft
69mm Crankshaft
This new CW crankshaft is forged from 4140 steel. Nitrated and magnafluxed. All 69mm cranks feature 8 dowel pins for the flywheel. Main and rod journals are standard size.
Suggested additional items that may also be required:
Stock - Connecting Rods
Crankshaft Gear Set
Main Bearings, Rod Bearings & Cam Bearings
NEW CW Forged 4140 Stock 69mm Crankshaft #0100 . . . $301.00

To place an order: Call us at 1-402-493-6507
Inquiries can also be directed to: info@greatplainsas.com


Great Plains Aviation Supply LLC