These bows of 1949, 1950 and early 1951 could be identified by the lamination of aluminum within the limbs. This aluminum ended up being scrapped from B-17 bomber airplanes of WWII, the acquisition of that has been arranged through the national federal federal government by Glen St. Charles. The aluminum lamination regarding the Kodiak and Grizzly is available just when you look at the lamination that is inner surrounded by levels of maple and cup. Nevertheless, in the Polar, the aluminum is available both under a layer of maple and cup, as well as on the outside lamination.
In 1949 and 1950 Bear had been utilizing a bi-directional cup on their bows which appears notably just like a basket weave pattern. Then in 1951 Bear started utilizing a fresh glass that is uni-Directional that the glass materials all ran lengthwise towards the bow limbs. This might be a good option to inform the essential difference between the 1949/50 therefore the 1951 models. The 1951 Grizzly additionally started manufacturing because of the aluminum lamination, but very at the beginning of 1951 the aluminum was fallen as a result of high reported breakage dilemmas among these aluminum bows.
The Kodiak had been introduced in 1950 with all the glass that is bi-directional the aluminum lamination. Then at the beginning of 1951, just like the Grizzly, this new uni-directional cup ended up being introduced however the aluminum lamination ended up being nevertheless current.