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Old 04 December 2012, 20:51   #1
Projectile's Avatar
Country: Canada
Boat name: WB465
Make: Zodiac
Length: 4m +
Engine: 2013 ETEC 30
Join Date: Dec 2012
Posts: 255
Thrust board vs no thrust board

Can anybody comment on handling and flexing, or advantages/disadvantages of SIB design with and without a glued in thrust board?

The Zodiac WB series (which are actually AVONS), don't seem to have thrust boards, while the Zodiac HD series (and FC series, I believe), seem to have thrust boards. Wondering if either design is better and why ...

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Old 04 December 2012, 23:46   #2
m chappelow's Avatar
Country: UK - England
Town: yorkshire
Boat name: little vicky
Make: avon ex RNLI
Length: 3m +
Engine: tohatsu
Join Date: Mar 2008
Posts: 2,310
Think as well as acting as a "thrust" board for the engine torque to push against for boats that don't have the floor go right up into the bow
the "glued in " thrust board also gives a boat with the old type multi lightweight plywood floors and inflatable keel something solid for the upward forces at the "bow deadrise " when going over waves & help to stop the boat tubes from parting outwards .

it also gave boats that had the steering wheel option as an add on something solid for the wheel to be fixed to .

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Old 06 December 2012, 13:41   #3
Country: UK - England
Length: no boat
Join Date: Nov 2012
Posts: 21
The thust board can also be used for locating eye bolts for davit lifting purposes.
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