WebUSE THIS CHART TO HELP DETERMINE HOW MUCH POWER YOU NEED. BOAT WEIGHT (LB) MAX BOAT LENGTH (FT) MINIMUM THRUST LEVEL (LB OF THRUST) BATTERIES NEEDED; 1,500 or less: 14' 30: 1 battery (12v) 2000: 17'-18' ... Choosing the proper shaft length is important; if it’s too short, the prop won’t be sufficiently submerged. We … WebFeb 11, 2024 · The height of the transom is estimated by using the center line to measure from the bottom of the hull to the top of the transom. As a result, the issue is whether my boat need a short shaft or long shaft motor. If your boat’s transom height is 15″-16″, a short shaft engine is required, and if it is 20″-21″, a long shaft engine is ...
How to Measure Outboard Shaft Length: A Complete Guide
http://www.boatmotors.com/ref/shaft_length.html WebMay 8, 2024 · Mercury Marine Outboard To obtain length, measure from the top of the gearcase housing (base of the water pump plate) to the top of the shaft. "L" driveshafts … brian o\u0027gara arbor
How To Measure Outboard Motor Shaft Length [Long v …
WebPicture the outboard bolted on a transom. You would measure from the top of the transom to the cavitation plate. A short shaft should be around 15", a long shaft should be 20", and an extra long shaft should be around 25".For some reason these measurements are not exact, maybe plus or minus an inch, or so. R I Whaler. WebJan 4, 2024 · Electric outboard motor specification (3hp, 1kw) with a 5.5-inch radius propellor. The formula to calculate the shaft length is: Length of transom + radius of propellor + margin for hull shape This results in the following measurement – 21 inches + 5.5 inches + 4 inches = 30.5 inches. WebFeb 3, 2014 · Or, 1) Measure the height of the boat's transom from the center down to the lowest point of the hull. This will tell you the height of the shaft for the outboard. 2) … brian o\u0027gara mlb