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Any advice on prop modification
- Thread starter love2hunt
- Start date
A
Anonymous
Guest
Not sure if an adapter is available or not, but I would doubt it.
I wouldn't be crazy about trying to re-drill it either.
I think your relative probably gave you a really neat decoraton for your shop or office.
I wouldn't be crazy about trying to re-drill it either.
I think your relative probably gave you a really neat decoraton for your shop or office.
Ron Miller
Well-known member
This is an interesting question... All of the power from the prop is excerted on the bolts in the hub. Even if you were to fill the holes you would not be tying the wood together for strength. And when you drill the new holes it is unlikely that you could get any of them to match the original ones. I suppose you could have a new hub made but that would probably cost as much as a new prop. so with safety in mind I think that prop would make a grate celling fan for your home.
Just my opinion!
Just my opinion!
love2hunt, not dimishing your gift but like Ron said, it is doubtful that the prop can be used safely. Redrilling a prop isn't a good idea.
I have an old wood paddle prop that I'm going to hang above the door on my garage. It's not safe to run anymore, but with a fresh coat of spar urethane it will still be useful .....
.
olf
I have an old wood paddle prop that I'm going to hang above the door on my garage. It's not safe to run anymore, but with a fresh coat of spar urethane it will still be useful .....
.olf
I wouldn't begin to change the good advice received here and that is not my intent.
I do want to point out though that using the same wood the prop holes can be filled with the appropriate wooden dowels and glued in place. I have always used the same glue the props are made with. Resourcinol 2 part glue. The glue bond is stronger than the wood itself is.
The prop can then be drilled for the new prop pattern. When I have done this it always try to geep as many of the new holes in the original wood as possible but sometimes there is just a little change or irregularity in spacing.
After redrilling the hub, the key is that even though the hub was drilled in a circle ya still have to reballance the prop.
Once balanced a similarly repaired prop has a good lifespan under normal use. I guess the caviet, is, What is normal use right?
I sure have fixed a bunch of em for folks in the past. With the new plastic props out and reportedly performing excellent, I just don't see much point in repairing an old wooden prop nowdays. There was a time when it made good financial sense to do so, but I suspect those days are long gone now.
Scotty :lol:
I do want to point out though that using the same wood the prop holes can be filled with the appropriate wooden dowels and glued in place. I have always used the same glue the props are made with. Resourcinol 2 part glue. The glue bond is stronger than the wood itself is.
The prop can then be drilled for the new prop pattern. When I have done this it always try to geep as many of the new holes in the original wood as possible but sometimes there is just a little change or irregularity in spacing.
After redrilling the hub, the key is that even though the hub was drilled in a circle ya still have to reballance the prop.
Once balanced a similarly repaired prop has a good lifespan under normal use. I guess the caviet, is, What is normal use right?
I sure have fixed a bunch of em for folks in the past. With the new plastic props out and reportedly performing excellent, I just don't see much point in repairing an old wooden prop nowdays. There was a time when it made good financial sense to do so, but I suspect those days are long gone now.
Scotty :lol:
cowboy
Moderator
I sold a nice 68x38 Sensenich stick a while back.
The dude wanted to put it on a 0-320. I know..I know.. it's a little much for a 160. I told him that, and he wanted it anyway.
I sent it to Sensenich for him, and they doweled, and drilled it for the different flange he had. Then they shipped it on out to him.
I don't know how much that cost him, but it can be done.
The dude wanted to put it on a 0-320. I know..I know.. it's a little much for a 160. I told him that, and he wanted it anyway.
I sent it to Sensenich for him, and they doweled, and drilled it for the different flange he had. Then they shipped it on out to him.
I don't know how much that cost him, but it can be done.