Konrad 520 Stern Drive Analysis Form

Please fill out all necessary information that is in red,
or download and print out the form* to begin the process
of determining the best drive implementation for you.

1. Contact Information
Name: (first) (last)
Company:
Address:
City: State: Zip Code:
Country:
Telephone:
E-mail:
Fax:
1. Goals and Objectives
A. Objectives: New Build
Repower/Reprop
B. Primary Goal: Top Speed
Towpull (thrust)
Trolling Speed
Improved RPM
Less cavitation, noise, or vibration
C. Tasks: Recommend a gear ratio
Recommend a propeller
D. Vessel Name:
E. Describe symptoms and additional information:
2. Vessel Condition:
A. Vessel Make:
B. Hull Type: Displacement
Semi-displacement
Planing
C. Hull Material: Barge
Catamaran
Other:
D. Dimensions: Overall length: Length at waterline:
F. Weight Gross weight (specify units):

Operational (full fuel):

Note: Please ensure the Gross Weight specified is the actual loaded working weight the vessel will operate at. This is important to ensure the correct sterleg model, ratio and prop size is determined. Konrad Marine or the distributor cannot be held responsible for performance issues as a result of inaccurate information.
G. Beam:
H. Deadrise at
stern:
I. Draft:
J. Number of propellers:
K. Service: Passenger/Pleasure
Work/Commercial
Towing
Bollard Pull
Offshore (near costal)
Inland Bays/Lakes
3. Proposed Engine/Gear
A. Engine Model:
B. Rated Power:
C. Rated RPM:
D. Transmission: Model:
Ratio:
4. Prior Performance
A. Trial: Location of trial:
Trial Speeds (kts):
Radar GPS Loran

Was current/wind speed and headings accounted for:
Yes No
B. Previous Engine and Propulsion System Characteristics: Model: Rated Power:
Rated RPM: Propulsion System:
Engine RPM at trial speed:
Tranmission/drive ratio:
C. Propeller Characteristics Diameter: Number of blades:
Pitch: Cup type (if any):
Material: Mn Bronze Stainless Ni Br Al Other
5. Engine Room Geometry
A. Distance from transom to engine room bulkhead: (FWD):
(AFT):
B. Transom Angle:
C. Distance from engine centerline to vessel centerline (keel) Twin application only:
D. Distance from engine flywheel to transom:
Name: Date:
I certify that the information I have supplied above is a true and correct representation of the vessel.

*If the form was printed, then e-mail, fax or send the form to:


Konrad Marine

715-386-4219 Fax
1421 Hanley Road
Hudson, WI 54016 USA
E-mail: sales@konradmarine.com
715-386-4203 Office
800-927-3545 Sales