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MagicRide said..
I guess to correct my original post, I ment to make a device to protect the nose. Now in those pics, the mast is sitting about 7 inches off the nose. Those rubber blocks are for lift kits on trucks, so they are supper strong with not much give. My worry was if the mast were to come down hard on the blocks, would that crush the deck under the blocks or is the mast track going to prevent that situation from happening? Also I have to put a lot of force on the mast to make it touch the nose. Given the situation on water, would the nose be forced to go under the water when the mast hits those blocks before the mast would hit the nose?
You run the risk of a) crushing the deck b) levering a mast box straight off the board or c) crushing the extension. You have created a very long lever with a sturdy fulcrum.
Get some NSI nose pads or the equivalent. That's already a pretty robust board. Remember that in a crash, you are trying to disperse the forces, not concentrate them. That's why cars and bike helmets are designed to crumple. The energy has to go somewhere. Also look at the Unifiber mast protector. They work pretty well, too.
Robertos, I'm glad the Surfbent has served you well. I've seen pics of more than a couple torn luff sleeves from them. Be careful.