Great thought, great craftmanship. Looks beautiful...
Now to the nitty gritty...you plan on installing a bilge pump, preferrably an auto (float) bilge? Would need an extra battery for that, esp in case of leakage.
If you don't, and do develop a leak, you are officially FUBAR.
The nittier of the gritty...2 words...
Hull displacement...
Make sure you put some whale tails (cavitation plates) on the outboard to help you plane better...just my 2 centavos...also check your rocker...and don't go out on 'swell' days...and make sure you have smooth, continuous beads on the welding points...
And as Zed pointed out, you are officially a motor boat under power.
Have all the necessary equipment, make sure you rinse thoroughly after every use, and only go out on days where LJ to the 9 mile bank is glassy...and make sure you use plenty of sunscreen under your chin, that aluminum (or SS) will cause a nasty glare...