Remember the "Need help with rotten oar" post? Well even if you don't I thought I'd share what a little elbow grease (got to sell that stuff!) can do...
I used Ash, which is what Sawyer used on the originals according to customer service.
I laminated the two outside pieces in place using 2 hr epoxy. These formed a jig to work on a flat surface as they extended past the crown of the center of the oar blade and equal with the oar shaft diameter. The inside braces were cut and fitted, then glued/laminated with Gorilla Glue.
After the glue dried I trimmed this all down using a hand plane to take off all the excess material, sanding it as the final pre-finish step. I was literally standing in a sea of wood shavings when I was done, and boy did my arms ache.
To test the strength of the oar I sat on the end of the blade without incident. I figure that if it can take 230 lbs it will be more than adequate for the rigors of pulling the sled through the water and first hand experience backs that up.
I could have gone with the $450 Cataract solution but I like my Sawyers, even if they do require an extreme makeover from time to time, haha.
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The root cause of my effort:
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Alll marked up to remove material from the oar
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Jigged up for table saw work
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The finished product
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The finished product - a better look!
So there you have it - my solution!