Boat Speed Calculator

Portsmouth Yardstick - Wikipedia
The Portsmouth Yardstick' Each boat's time is adjusted with the formula, and then the adjusted scores are compared to determine the outcome of the race. For example, a PD Racer (a semi-open homebuilt class, and the slowest listed boat in the USA scheme) ... Read Article

Waterline Length - Wikipedia
The waterline length is the length of a ship or boat at the point where it sits in the area, without increasing beam or draft. Higher beam and draft causes higher resistance against the water. This maximum speed, also known as theoretical hull speed, can be calculated using the ... Read Article

Boat Speed Calculator W/Load & Altitude Compensator
Title: Boat Speed Calculator w/Load & Altitude Compensator Subject: Boat Speed Calculator Author: Lee Shuster Keywords: Boat Speed, with Load,and Altitude Compensation ... Visit Document

Maps Of France And Paris: Road, Rail And Atlases
Maps of France and Paris are a must if you plan to visit. You can find rail and train maps, an interactive map of major French cities, online France country maps, lists of top road atlases and Paris city maps and more in this index of maps of France and Paris. ... Read Article

Propeller (aeronautics) - Wikipedia
As the relative air speed at any section of a propeller is a vector sum of the aircraft speed and the tangential speed due to rotation, a propeller blade tip will reach transonic speed well before the aircraft does. ... Read Article

SAIL AREA RATIOS - Kasten Marine
SAIL AREA RATIOS Below are a few The displacement ratios above express what is appropriate to drive the boat at speed. For drifting conditions, before wave making resistance becomes significant, the wetted surface is much more of a factor. ... Read Full Source

Www.fortunearchive.com
The Trigonometry of True Wind Speed and Direction Figure 2 demonstrates the calculation of true wind speed and direction. The boat's position is shown at the origin. ... Fetch Here

How To Evaluate Boats? - Naval Design
How to Evaluate Boats? So you are in the market for a boat. Hundreds of boats are sold every year and every The Cp of a powerboat hull should become higher as boat speed increase. Obviously, the fastest boats is not a barge which have a Cp of 1. ... Read Document

Fuel-Saving Measures For Fishing Industry Vessels
Reducing boat speed. 4. Minimize skin friction, and hull and appendage drag. 5. Reduce non-propulsion-related energy demands and parasitic loads such as pumps, motors and lights that are on when not needed. 6. Reduce total distance traveled through the water. ... Fetch Doc

Marine Analyst Service Handbook - Archivo Digital UPM
Marine Analyst Service Handbook. Caterpillar Engine Division Service Training February 2001 - 4th Edition. February 2001 LEBV4830-03 This book contains a list of formulas and terms for use Slip vs Boat Speed Formula . . . . . . . . . . . . . . . . 47 ... Get Doc

Propellers - Akcaymarin.com
2 Boat propulsion To enable a boat to make speed through water there must be some kind of propelling force. We are in this respect dealing with engines, as the source of power. ... Access Full Source

Boat Capacity VS Available Seating And The Formula For Persons
Boat Capacity VS Available Seating And The Formula For Persons Recently I have seen many questions on boating forums regarding how persons capacity is formula that boat manufacturers and builders are required to use to determine persons capacity ... Read Content

Speed Guide - ORC
World Leader in Rating Technology OFFSHORE RACING CONGRESS ORC Speed Guide Explanation . 1. INTRODUCTION The ORC Speed Guide is a custom-calculated manual for improving performance for an individual These are scales of the predicted boat speed: ... View This Document

Freeware Propeller Calculator - Chelsea Coach Works
Speed in knots = Boat speed, V. This will calculate the Displacement Speed Formula for the hull. Speed:Length Ratio up to 1.6=displacement, from 1.6 to 2.8=semi-displacement, over 2.8=planing. Freeware Propeller Calculator ... View Doc

ORC - MIT OpenCourseWare
Sailing yacht types utilising speed predictions from computer models based on fundamental principles of hydro- and ORC Publications & Services The ORC produces bound publications, classes race boat-for-boat without time allowance. International Offshore Rule ... Retrieve Doc

STABILITY OF SMALL BOATS - Newboatbuilders.com
STABILITY OF SMALL BOATS When a boat has stability problems underway that is called dynamic instability and is a much more difficult problem. Generally the owner would say the boat lists to one side, reduced the load capacity and speed. ... Retrieve Full Source

Coastal Navigation - Easily Calculate Your Set And Drift ...
Easily calculate your set and drift for coastal navigation with this sailing training video.Online sailing instruction courses at NauticEd give lots of advic ... View Video

Power Calculator - Electric boat
Electric-Boat Drag and Power Calculator Length of Hull m (only used for calculation of Re) Wetted Area of Hull m2 Speed m/s ditto km/h ditto Kts It is Reynold's Number compensated and thus is valid for any size of craft which has a smooth surface and is used at a speed where wave-making is ... Read Full Source

Www.allmarineinsurance.com
Speed Boat Speed Predictions Constants: Heavy V Bottom Low Side Drive, cabin, side by side engines Factor 500.00 250.00 225.00 250.00 275.00 Why we use a speed calculator: Using a speed calculator for High Performance watercraft allows for consistancy of rating. You're right! ... View Full Source

Reliable Speed Prediction: Propulsion Analysis And A ...
Reliable Speed Prediction: Propulsion Analysis and a Calculation Example Donald M. MacPherson VP Technical Director HydroComp, Inc. above 35 knots, even though the boat speed was only 24 knots [MacPherson 2002]. At these lower operating speeds, the efficiency was less than 0.45. ... Access Full Source

Propeller Cavitation - YouTube
Self made Cavitation experiment with a propeller token from a boat model immersed in a small glass cylinder into a low pression bell, interesting images with ... View Video

FORMULA TO CALCULATE THEORETICAL BOAT SPEED
FORMULA TO CALCULATE THEORETICAL BOAT SPEED If you have the following information you can calculate the efficiency of your propeller and boat: with your calculator: Theoretical Speed minus True Speed, multiplied by 100, divided by Theoretical Speed = Percentage of Slip. ... Fetch Full Source