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...
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...
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]
...for your records , the Input data set
...and regarding tha ratio take a note on that ...[ATTACH] [ATTACH]
See also that ...[ATTACH] [ATTACH]
[ATTACH] [ATTACH] [ATTACH] [ATTACH]
....and what was your input data set to extract these results ?
Good evening tonipu,
I can't read the image https://www.boatdesign.net/attachments/150437-1544cdca485b17261c09ce8260419186-png.164389/
Could you please explain "The maximum RPM during sailing is 450 and when steaming 375." ?
If we understood well ; The correct...
What is the size of the hub ?