Try to extend the end point of the triangular support frame along the propeller shaft , closer to the propeller hub ; that way you will increase...
Calc. Optimum Diameter for 2 blades propeller. Troost L. Open Water test series with model propeller forms. Trans. North East Coast...
Keep in mind an Idea for a Quick-Check on the solved method you try. Start from Diameter of the propeller from the attached Nomogram, and as you...
It is not interruption , it is a variation of propeller's blade loading , that produces low frequency vibration.
Good day to everyone , May I do an input here ?.... in respect to all above mentioned ; on subject of this discussion , should be noticed that a...
Dear Naserrishehri, May i ask you what is the fishing service and operational range for that fishing boat design ? It is well known that the...
Seems like Utile _ Sipo Utile | The Wood Database (Hardwood) https://www.wood-database.com/utile/
Please, Find at first the turbo type of the engine. It is crusial to build the Exhaust Gases formation regarding the back pressure level.
Have you removed out of the engine's soft water circuit the thermostat device to be checked into a pot with boiling water ?
Good Day Ryland, Take a note for a Propeller type: GawnAEW 4 blades (pls see to the next table). Issue due and in respect to Propeller's...
Is your engine power between in 55 to 60 hp ?
How much heavy is she ?
Think about a solution ..... 2 x Engines 120hp at 2400 rpm 2 x Gearboxes Ratio 1: 1.57 2 x Propellers Dia 470mm Pitch 470mm 4 blades GawnAEW...
Why you turn lower the pitch so much. Should never be changed more than 7% ; specially in your case where you have to deal in large variance...
Dear All, The referred boat class ~ Sweden Yachts 38 sailboat ~ was equiped in standard mode by Volvo type 2003TS / 45hp at 3200rpm and a...
He needs more power to keep the existing prop and to reach the hull speed ; for that engine 36 hp Lombardini Ldw 1404m this propeller is too...
Impossible to reach a speed of 7 knots with LWL=31 ft , Displ. 9t and propulsion plant 36hp/3600 through gear ratio 2.18. The propeller is not so...
2
and see the results in case when the boat loading is increasing for 0.75 LT (15%) [ATTACH] [ATTACH] [ATTACH]
take a look on that size of propeller with cup and gear ratio 1:2 [ATTACH] [ATTACH]