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Manufacture and designer for sailing propellers
Manufacture of the brand VARIPROP feathering propellers for the crusing and racing sailor.
SPW is also the designer of the brand VARIFOLD. Both brands on display are available as 2, 3 and 4 blader for both standard shaft and sail drive installations. The VARIPROP is also available as 5 blade version.
SPW also design custom-made fix propellers and shaft lines on request.
SPW flexible marine couplings up to 100 hp.
SPW is also the designer of the brand VARIFOLD. Both brands on display are available as 2, 3 and 4 blader for both standard shaft and sail drive installations. The VARIPROP is also available as 5 blade version.
SPW also design custom-made fix propellers and shaft lines on request.
SPW flexible marine couplings up to 100 hp.
Our latest news
1/10/2023
VARIPROP GP-128: New model for sailing yachts in the SPW feathering propeller range
Bremerhaven, October 2023 - SPW GmbH, renowned manufacturer and supplier of highly specialised propeller and propulsion technology for sailing and motor yachts, is pleased to announce the launch of its latest product, the VARIPROP GP-128. This innovative model complements the product portfolio and aims to optimise the efficiency and performance of sailing yachts to meet the increasing needs of owners.
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Innovations & solutions
Products
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VARIPROP feathering propellers
The idea was to develop a superior feathering p...
The idea was to develop a superior feathering p...
The idea was to develop a superior feathering propeller that was user-friendly. We intended to design a feathering propeller that was extremely efficient, had reliable reversibility and eliminated all the problems experienced with feathering propellers of the time.
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That was 20 years ago and we are pleased to say we have achieved all our design ambitions and more. Through continuous innovation and rigorous testing SPW has designed and developed the VARIPROP to be the most modern feathering propeller fo
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That was 20 years ago and we are pleased to say we have achieved all our design ambitions and more. Through continuous innovation and rigorous testing SPW has designed and developed the VARIPROP to be the most modern feathering propeller fo
VARIFOLD 2 ,3 and 4 blade folding propeller
The development of a folding propeller ...
The development of a folding propeller ...
The development of a 2, 3 and 4-blade folding propeller that meets the demands of cruising and regatta sailing vessels - i.e. a cruising and racing version in one - that was the goal of our designer. 0D;
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The technical characteristics of the propeller had to be outstanding, both when running in forward and reverse.
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Furthermore, it should have a convincingly modern, streamlined and functional design. The result of this targeted development is the VARIFOLD. With this folding propeller you will expe
VARIFLEX Coupling
Flexible marine coupling
Flexible marine coupling
VARIFLEX couplings fulfill a lot of requirements:
»» High-elastic – torsional vibration and shock
absorption
»» Deviations within the motor bearings and
misalignments are adjusted up to 3°
»» Transmission via loop packs without metallic
connection
»» Insulation of impact noise and electricity
»» Absolutely maintenance-free
»» Easy installation by clamping flanges
»» Extends the life of components in power
train
»» High-elastic – torsional vibration and shock
absorption
»» Deviations within the motor bearings and
misalignments are adjusted up to 3°
»» Transmission via loop packs without metallic
connection
»» Insulation of impact noise and electricity
»» Absolutely maintenance-free
»» Easy installation by clamping flanges
»» Extends the life of components in power
train
VARISEAL Stuffing Box
Stuffing Box
Stuffing Box
SPW supplies sealing systems of various types for sports boating and stuffing boxes from its own production.
The product range also includes mechanical seals for stern tubes as a replacement for the compression glands. Our VARISEAL stuffing box offers 3-fold safety through a 3-chamber system. The following components belong to this 3-chamber system:
1. Tallow band sealing: The tallow band sealing is pressed onto the shaft with the stuffing piston, which ensures even and continuous sealing.
2. Grease chamber
The product range also includes mechanical seals for stern tubes as a replacement for the compression glands. Our VARISEAL stuffing box offers 3-fold safety through a 3-chamber system. The following components belong to this 3-chamber system:
1. Tallow band sealing: The tallow band sealing is pressed onto the shaft with the stuffing piston, which ensures even and continuous sealing.
2. Grease chamber
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