Black Mercury Outboard Propellers , Mercury Aluminum Propellers 48-855858A5

Boat Propeller For Mercury 40 -50 Hp 11 1/8X13 3 Blades Aluminum Material 48-855858A5

 

FAQ
- Are you a manufacturer?
Yes, we are a professional Propeller and Marine Boat manufacturer over 12 years experience.,with our own factory in Qingdao .
- How many engineers are there in your R & D department?
There are more than 8 experienced engineers in my company, in which there are 3 of them are working in R & D department.
- How many days will a new development item need?
Usually,we will prepare the molds and counter samples for a general part in 30-40days.
- What is the lead time for the general production order?
About 1 months according to the quantities.
- What's your strength?
We are specialized in marine propeller ,Jet Ski Impeller , all kinds of aluminum alloy leisure boat ,fishing boat ,working boat .
we have been suppling to global market for over 8 years with good quanlity ,competitive price and a wide range of categories .
- Where are your customers from?
Most of our customers are from North America and Europe.Russia Africa
- Which are the near ports?
We are located in Qingdao, there are1.5 hours driving from my company to Qingdao port and 30minutes to Qingdao Airport.
- Will you ask for sample charge?
For the general samples are free, for the big value ones, we will ask for sample fee in advance and refund upon total production order increasing to USD5,000.
- What's the payment term?
T/T, Western Union, PayPal, L/C, .
It would be our pleasure to service you with satisfaction. We are sincerely hope to be your partners and friends here in Qingdao CHINA.
Hot line: +86 15020046199 Or +86 532 8359 5198
 
 

This information is critical to determining the correct propeller for your application:
1.3 Blades
A 3-blade propeller usually offer s top speed performance.
2. Diameter:
Diameter is the distance across a circle encompassing all of the propeller blades.
3. Pitch:
Pitch is the theoretical distance a propeller will move through the water of each revolution.
4. Right hand or left hand Rotation
In most cases, right hand propellers are used for single engine application and one left hand propellers are used for twin engine applications to achieve better steering control.
5. Cupped Blades:
This is a technique used to enhance the performance of propellers under certain conditions. A cupped propeller will exhibit very high efficiency at high speeds as well as minimize cavitation under heavy loads.
6. Rake:
Rake is special design feature. Positive rake benefits from normal bow lift to permit the use of a larger diameter propeller, while negative rake can provide extra blade strength for use in very high speed applications.