I Got Framed at Dirty Nellies....Dirty Nellies little secrets
Some raft manufacturing folks as well as some guide folks loosely use the term tracking to defend the selection of a self bailing raft. Physics proves these folks as ignorant of the forces at play.What they are attempting to do is influence the added expenditure on that expensive self bailing floor.Whereas a bucket boat or occupant bailing boat may be more beneficial to your needs.
Tracking is a characteristic of a raft to stay on track amid the external forces and moments acting on the diaphragm in motion. Newton wrote the book on it; it’s his first law.This is not new science.A raft in motion will stay in motion unless acted upon by some other force.Inertia and more specifically Rotational Inertia is a characteristic of the boat and its geometry.Self bailing rafts have higher rotational inertia and are therefore harder to turn.Self bailing rafts weigh more and require less corrective steering than bucket boats.Bucket boats have less weight, less inertia and therefore are easier to turn.In small technical rivers where turning is essential, I’d opt of the bucket boat without remorse.If my wife is my only passenger, I’d opt for the self bailer since the bailing tasks fall on her.
I see a lot of people waste a lot of money. This is America and it is your choice.
Rigging: Differential currents (eddies) affect your steering.I suggest you exercise the opportunity to rearrange weights about your boats X and Y axis.If inertial properties are not aligned, you may spend additional effort correcting your steering.
My next essay is on how the industry makes you feel about your inexpensive propulsion device. The goal is to expand the revenue stream. This is why whitewater oars cost more than a hundred bucks and make you feel inadequate by not spending money.
Oars are a propulsion device, nothing more, nothing less. The technology dates to mans earliest experience of floating on water. Let me introduce you to urethane rubber. Urethane rubber is a catalyzed 2 part rubber that becomes whatever shape you mold it in inside a 24 hour envelope. Urethane rubber is reparable and precludes the conventional shark bite so common in all blades. Urethane rubber accepts and releases energy in a nearly perfect elastic reaction. Urethane rubber is not soluable in water and does not leave a trail of fish killing debris when the blade is abraided. Urethane rubber blades are far less likely to break your ribs or jaw when the downstream oar engages a submerged object. Urethane blades are fish friendly and salmon will swarm your boat when the oars are being utilized; not being clubbed to death by a hard piece of carbon.
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