LumberJocks

Straightening/Ripping Sled

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Project by jasonallen posted 02-09-2014 11:17 PM 2131 views 6 times favorited 7 comments Add to Favorites Watch

I didn’t post this sled because it is original or different from the one Brianb1 posted awhile back. I posted it just because I think its such a great idea that I didn’t want anyone to miss it. For me it solves 2 problems. I work with only rough cut lumber that I cut down myself and had milled, so I had problems with getting a straight edge to work off of. I also don’t have a very good jointer and this seems to make a perfectly good glue joint as long as I have a good ripping blade and it is set right on 90 degrees. The last picture is the bottom of the sled with Johnson’s paste wax so it will slide easy. Mine is made of oak plywood and oak scraps. It is 60” long and can handle a 10” wide board. If you want to understand how it works or how it is made look at http://lumberjocks.com/projects/95902 or the link provided on that posting.

-- Skill and confidence are an unconquered army.





7 comments so far

View Brianb1's profile

Brianb1

82 posts in 1623 days


#1 posted 02-10-2014 12:35 AM

nice, very handy

View rednecknurse's profile

rednecknurse

44 posts in 1544 days


#2 posted 02-10-2014 02:59 AM

Made myself one (a little smaller) a few weeks ago. Understand your excitement completely.. Nice work.

-- Do something nice for me and I'll say thanks. Do something nice for my children and I'll be your friend forever.

View CharlesA's profile

CharlesA

3019 posts in 1258 days


#3 posted 02-10-2014 09:44 PM

Why did you choose to put a miter slot runner in instead of using it against the fence? I’m trying to decide how to build one.

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

View TheWoodenOyster's profile

TheWoodenOyster

1275 posts in 1396 days


#4 posted 02-10-2014 10:03 PM

Do you plane the board before you run it through? I imagine you’d need to, but I am just curious. I am guessing this basically replacing the edge-jointing portion of work on the jointer. Is that correct?

-- The Wood Is Your Oyster

View jasonallen's profile

jasonallen

175 posts in 1081 days


#5 posted 02-11-2014 12:18 AM

Charles- I used the miter slot runner for a couple reasons..
1. My rough cut lumber usually doesn’t have an edge anywhere near straight so running it against the fence does not produce a good straight edge.
2. This eliminates any inaccuracy in the fence itself. (I use the factory Ridgid fence)
3. It eliminates the possibility of me straying from the fence while ripping a long board.
4. It keeps my fingers further from the blade.
The main reason is #1.

Oyster- I just finished the sled yesterday and haven’t done much with it yet. Really all I did was rip the one board shown in the pictures. That board was planed first, but I’m not sure why I would need to always plane them first. I do have a rule these days about always planing lumber before I put much time into it though as is explained on a previous project http://lumberjocks.com/projects/96601 The main reason for the sled for me is to make a straight edge from a rough wavy edge. But I am also really hopeful that I can use it instead of the jointer to make good glue joints.

I consider myself a very amateur woodworker so any comments/suggestions/”what were you thinking” are welcome.

Edit: After looking at my pictures it seems that the guinea pig board was actually only planed on the side facing down. Still, the results are the same.

-- Skill and confidence are an unconquered army.

View CharlesA's profile

CharlesA

3019 posts in 1258 days


#6 posted 02-11-2014 12:23 AM

Thanks. I didn’t mean to run your rough lumber against the fence, but one of the other ripping sleds on LJ runs the sled against the ripping fence instead of using the miter slot. But your answer may apply to that question as well.

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

View jasonallen's profile

jasonallen

175 posts in 1081 days


#7 posted 02-11-2014 12:34 AM

I see. I didn’t take the time to understand the question very well. I guess the main difference in my mind is if you run the sled against the fence you have to make sure and keep it tight to the fence but if you run it through the miter slot you just push it through with nothing to worry about. Its not a big difference either way but it seems like it would be easier to use the miter slot. Takes a little more time to build because you have to get the runner width pretty much perfect and it has to be perfectly straight from one end to the other. My first sled had a runner made of oak and after I glued it up and let it dry I found that it had a slight bow in it and would not slide through the miter slot. So this sled has a runner ripped from the same sheet of plywood and planed to the perfect width.

-- Skill and confidence are an unconquered army.

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