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Frog casting ID on Stanley planes

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Forum topic by Ray posted 460 days ago 481 views 0 times favorited 4 replies Add to Favorites Watch
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Ray

78 posts in 598 days


460 days ago

I have two type 19 #3 planes. One frog has 7U and the other had 8U cast into it. I cannot see any obvious differences. Does anyone know if one is considered beter than the other?

Thanks

-- Creating less fire wood every day


4 replies so far

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ksSlim

954 posts in 1485 days


#1 posted 460 days ago

http://home.comcast.net/~rexmill/planes101/typing/typing.htm

-- Sawdust and shavings are therapeutic

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CharlieM1958

15638 posts in 2813 days


#2 posted 459 days ago

For what it’s worth, I’ve heard people claim that the frogs from certain types are better than the frogs from other types, but I’ve never heard of a difference in quality between frogs within the same type.

I believe it is the design of the frog that makes one preferable to the other. So if the two frogs in question look the same other than the casting mark, I wouldn’t worry about it.

-- Charlie M. "Woodworking - patience = firewood"

View mandatory66's profile

mandatory66

91 posts in 725 days


#3 posted 459 days ago

I believe some of the numbers refer to the different foundries that Stanley used to cast the planes. Can’t remember where i read it.

View bandit571's profile

bandit571

6628 posts in 1278 days


#4 posted 459 days ago

Sounds like pattern numbers that were used to ID were in the mold they came from. Frogs MIGHT have been cast in groups of 4-8 at a time. Larger mold, one pour to make a bunch of smaller parts. The #7, or the #8 would be known as “Cavities” in the mold. You might even find a #1u-6U marked ones.

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

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