Minor epoxy miscalculation turned out fine

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One of the wisest investments Ive made in this whole boatbuilding project was the $30 I spent on a kitchen scale at K-Mart. My "close calls" with epoxy miscalculation basically evaporated.

That is, until yesterday afternoon.

Something I didnt mention in yesterdays post, was that when I ran out of epoxy, Id upturned the resin & measured out 144 g. Silvertip epoxy, measured by weight is mixed in a ratio of 1 part resin to 0.44 parts hardener.


Heres a photo of the kitchen scale Id purchased at K-Mart.

Taking the 144 g of resin, and multiplying it by 1.44 meant that I needed to add hardener until the overall weight equalled 207 – 208 g. (144 x 1.44 = 207.36).

So, I upturned what was left of the hardener into the mixing cup. Unfortunately, the combined weight had only reached 194 g when the hardener ran out completely. I was 13.36 g short.

Marine epoxy is expensive. "Besides," I thought, "Ive had closer calls than this with estimated measurements." I decided to mix it for 3x longer than I usually do (6 minutes, since I usually mix for 2 minutes), and then just use it.

It worked just fine.


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