20"
20"
Correct
Incorrect
SECTION A
STEP 1
Preparing the Hull
Drill Keel Bolt Holes
STEP 2
Drill the Rudder Post Hole
Turn Hull upside down.
Use a “Step Bit” to drill (2) 3/16” Keel Bolt holes, through
the bottom of the Hull, at the locations indicated by the
dimples in the bottom of the Hull.
NOTE: The aft, or third dimple is for the Rudder.
Use a “Step Bit” to drill (1) 1/8” Rudder Shaft hole, through the bottom of the Hull, at the location indicated by the third
and aft most dimple.
STEP 3
Assemble Keelson Block
Cut the 7/32” diameter brass tube into two pieces 1 1/16” long.
Insert the two pieces into the holes in the Keelson Lower
Block, as shown.
Section View
Test fit the Keel Fin. Make sure the Keel Fin leading and trailing edges line up on the centerline. If alignment is not
perfect, use a 3/16" drill bit to slightly elongate the holes until the Keel Fin is straight.
Page 6
Make a small pencil mark 20" forward of the transom (the back of the boat) along the centerline of the Hull.
THIS IS WHERE THE FRONT EDGE OF THE KEEL FIN MUST BE LOCATED. ••• See ODOM Class Specification 3.3.4
© 2010 by Adrian Olson. All rights reserved.