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Frog casting ID on Stanley planes

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Forum topic by Ray posted 365 days ago 412 views 0 times favorited 4 replies Add to Favorites Watch
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Ray

65 posts in 503 days


365 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

926 posts in 1390 days


#1 posted 365 days ago

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

-- Sawdust and shavings are therapeutic

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CharlieM1958

15544 posts in 2719 days


#2 posted 365 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"

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mandatory66

89 posts in 631 days


#3 posted 364 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.

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bandit571

5388 posts in 1184 days


#4 posted 364 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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