Guidelines

What size shaft is my outboard?

What size shaft is my outboard?

Measure from the top of your transom to the bottom of your keel. If it is from 15″ to 17″ long you’ll need to get a Tohatsu outboard with a “short” shaft. If it is from 20″ to 22″ long you’ll need our “long” shaft outboard.

How do I know if my outboard is long or short shaft?

To do so, you will want to measure at the exact center of the transom from the very top to the very bottom. If it measures 15″ or with in a inch of that you will need a short shaft outboard. If it measures anywhere from 17″ to around 22″, then your going to want to go with a long shaft motor.

Can you run a short shaft outboard on a 20 inch transom?

zike Elite Refuge Member. If you set the motor back far enough without jacking it up, a short shaft will work on a 20″ transom. Never argue with idiots as they will do nothing but bring you down to their level and then beat you with experience.

How do you determine shaft length?

The following lists what length of shafts you should consider for certain heights. If the crease where your wrist and hand meet to the floor is: 29 to 32 inches = irons should be based on a 5-iron of 37 inches. 33 to 34 inches = irons should be based on a 5-iron of 37 1/2 inches.

How far below the boat should the prop be?

If you have a short shaft motor, the top most part of the transom and the lower most part of the boat should be about 15 to 16 inches. For a long shaft, I think 20 to 21 inches is correct.

Can you run a long shaft outboard on a short transom?

RE:Long shaft, short transom Yes, you can build it up, and that would work fine.

How low should my outboard sit in the water?

A boat rigger’s rule of thumb is that the motor can be raised one inch for each eight to 10 inches of distance between the transom and prop. As the prop moves further aft, it’s also likely to be in cleaner, “harder” water, and be more efficient.

What is the best length for a driver shaft?

In reality, the average length of a driver used on tour is 44.5in while the average shaft length found in drivers on the shop shelves is around 45.5in. There is an optimum driver shaft length with which golfers will achieve maximum clubhead speed and it will vary from player to player.

What length is Rory McIlroy’s driver?

45.5 inches
McIlroy’s driver plays 45.5 inches from “end of grip,” but Trott pointed out you can’t simply slap on a grip and call it good. When he selects a Golf Pride Tour Velvet BCT grip for McIlroy, the rubber butt cap on the end of the grip, which measures one-eighth of an inch, must be taken into account.

What causes prop blowout?

Blowout occurs when something causes air/water mixture in the region of the propeller to become sufficiently disturbed that the propeller cannot continue working in “clean” water, but is rather, trying to work through a very soft or light mixture (or a relative vacuum).

Will a stainless steel prop increase speed?

Change Your Propeller If you are running an aluminum prop, changing to even a basic stainless steel prop will usually improve top speed. Because stainless steel is stronger than aluminum, the blades on a stainless prop can be thinner, which reduces drag in the water.

Can you change the shaft length on an outboard motor?

If you change to a short drive shaft, you’ll need to change the other shaft that runs through the exhaust tunnel, as it will be too long as well — you’ll need to install a new, shorter shift rod.

How do you determine the shaft length of an outboard motor?

Measure from the bottom of your outboard’s engine compartment down to the bottom of the cavitation plate — the horizontal metal wing above the propeller. If the measurement lies between 19 and 21 inches, it’s a short shaft. If it’s about five inches longer than that, it’s a long shaft.

What is the shaft length of an outboard motor?

Shaft length. Outboard motor shaft lengths are standardized to fit 15-inch, 20-inch and 25-inch transoms. If the shaft is too long it will extend farther into the water than necessary creating drag, which will impair performance and fuel economy. If the shaft is too short, the motor will be prone to ventilation.

What is short shaft motor?

Short shaft motors have shaft dimensions that are smaller than the shafts associated with the normal frame size. Short shaft motors are designed to be directly coupled to a load through a flexible coupling (Love-Joy, etc.). They are not designed for use in belt drive applications.