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Forum topic by Oldschoolguy posted 07-20-2019 02:52 PM 754 views 0 times favorited 7 replies Add to Favorites Watch
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108 posts in 1172 days

07-20-2019 02:52 PM

Hey y’all, I have a chance to purchase a SB #6C fore plane in excellent shape for 110.00. Also, it has been tuned and sharpened. The sole is corrugated and well within reason as far as flatness. What do y’all think of the price and your opinions on a corrugated sole. In addition, I also have the option of buying a SB 5 1/4 jack plane also in EC for 85.00. To my understanding this used to be called a “junior jack” because the iron is 1 3/4” inches wide as opposed to 2” width. The sole on this is not corrugated. Opinions and thoughts are forever appreciated.

7 replies so far

View fly2low's profile


88 posts in 1432 days

#1 posted 07-20-2019 06:17 PM

I would take the 6C in a heartbeat. Have no need for the 5 1/4, but stilla good plane if you need one

-- Rich Gig Harbor, WA

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Don W

20281 posts in 3903 days

#2 posted 07-20-2019 11:21 PM

What vintage SB? If they are tuned, it’s a fair price, but if they’re tuned, it better be well with a n flatness, or it’s not tuned.

The 5 1/4 are decent planes. It would have been worth about double had it been corrugated.

-- - Collecting is an investment in the past, and the future.

View SMP's profile


5071 posts in 1241 days

#3 posted 07-21-2019 12:53 AM

If you need a foreplane its not a terrible price. I don’t personally like corrugated but for fore it doesn’t matter so much. I’ve personally just tuned my Jack plane more as a fore and use my 4 as a smoother.

I picked up a 5 1/4 but didn’t really like it. I can see why Chris Schwarz doesn’t see the point in them either. I found a #3 that was missing parts and stripped the 5 1/4 to get the #3 going and MUCH prefer that to the 5 1/4 much better at getting into tearout etc.

View bandit571's profile (online now)


30446 posts in 4019 days

#4 posted 07-21-2019 08:17 PM

I use the 5-1/4 size a lot…usually when a normal sized Jack is a bit too big…

Like smaller parts …

Two drawer backs, that needed to match each other….14” long….

-- A Planer? I'M the planer, this is what I use

View OSU55's profile


2938 posts in 3325 days

#5 posted 07-22-2019 07:06 PM

Not a fan of “C” soles. Ok price if cleaned well and tuned properly.

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20673 posts in 2474 days

#6 posted 07-22-2019 07:18 PM

I’ve found that I don’t really care if the sole is corrugated or not. If it is, it makes it easier to flatten the sole if needed but other than that, I don’t have a preference. I have found no advantage to one or the other in use. I have heard it suggested that corrugated soles were introduced to reduced friction. Sounds like marketing to me. I’d bet a dollar they were introduced because it took less time to scrape or grind the soles during production ;-) But, if you keep a block of paraffin wax on hand to rub on there when it starts “dragging” I notice no difference in the force required to plane with a corrugated sole and that required with a solid sole.

If it’s a plane that’s tuned and ready to go to work, that’s probably a fair price.

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA

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4077 posts in 2312 days

#7 posted 07-22-2019 10:22 PM

I rather have a corrugated #7 and #8 like Kenny said it makes it easier to flatten the sole.

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