Propeller Questionnaire

Request Order

Please find below a questionnaire with all relevant data that is required for calculating the correct propeller. The accuracy of the data is very important. We kindly request you to fill out this form as completely as possible and return it to us. The items marked with an * are at least needed to make an accurate calculation.

Customer Data:

Company name / :
Address / :
ZIP code + City / : / Country / :
Contact person / : / E-mail / :
Telephone number / : / Fax number / :

General Information Vessel:

Vessel type*: / Motor boat / Sailing boat / Work boat / Others, viz.
Hull type*: / Displacement / Semi-displacement / Planing
Single propeller / Double propeller / Open propeller frame / ½ tunnel / Nozzle
Hull material*: / Steel / Aluminium / GRP / Wood / Others, viz.viz.
Vessel info: / Length on waterline*: / m / Width on waterline: / m
Draught: / m / Displacement*: / ton kg
Anticipated speed: / knots / km/hour

Engine Data:

Make / : / Type / :
No. of engines* / :
Max. output / : / hp kW / at / rpm

Gearbox Data:

Make / : / Type / :
Reduction ratio* / : / :1 / Rotation / : / LH RH
: / Vertical offset / Down angle / V-drive

Propeller Data:

No. of propellers* / : / Single / Twin / Other, viz.
No. of blades / : / Max. diameter* / :
(minimum clearance of 0,15 x Dprop is needed between hull and propeller)
Material / : / Mn.Br. / Ni.Al.Br / Other material, viz.

Current Propeller Data: (only relevant with existing installations)

Make / : / Type / :
Diameter / : / Inch mm / Pitch / : / Inch mm
Rotation / : / LH RH / No. of blades / : / pcs
D.A.R. / : / %
Material / : / Mn.Br. / Ni.Al.Br / Other material, viz.
Type / : / Open / ½ tunnel / Nozzel / Other, viz.
No. of propellers / : / Single / Twin / Others, viz.
Speed / : / knots / km/hour at / rpm
Distance of top propellerblade to hull : / mm (see drawing)
Distance of waterline to Ç propeller shaft: / mm (see drawing)

Drawings of aftship** Drawings taper + keyway, etc.**

** only relevant with existing installations)



X / = / L / =
Y / = / ØD / =
Z / = / Ød1 / =
B / =