officially a 15hp engine max. But, if you take a old 2 strokes, you can put more.
The smallest motor for a 16 foot Lowe boat is about 30 horsepower. The maximum size should be no more than 100 horsepower.
2500 lbs no motor
A 12-foot inflatable dinghy should be equipped with essential safety and navigation items, including a life jacket for each passenger, a whistle or horn for signaling, and a fire extinguisher if a motor is used. Additionally, a first aid kit, a paddle or oars for manual propulsion, and a bailer or pump to remove water are recommended. If traveling further from shore, a navigation light and a suitable anchor may also be necessary. Always check local regulations for specific requirements.
25-30 horse power.
5-10 hp gas motor should be more than adequate. An electric motor would alos work well, especially on small lakes or sloughs without significant current.
19 mph
The right size for an electric outboard motor for a 10 foot fishing boat seems to be 4 - 5 - 6 hp, 8 - 9.9 hp or 15 - 20hp. It simply depends on what kind of fishing boat it is.
+/- 380lbs
The answer is relative. I have a 4 1/2 HP motor on my 12 foot aluminum boat. It gets me where I need to go.
Depends if it fiberglass or Aluminium. For Fiberglass you would be looking at around 50hp-60hp and and Aluminium would be between 30hp and 40hp.
By itself? No motor, gear, or any other extras? 115 -150lbs.
About 10 to 12 on plane