Martec Folding Prop Installation
Martec Propeller
HOW TO DISASSEMBLE AND RETURN A FOLDING PROPELLER FOR RECONDITIONING Reconditioning of your folding propeller will correct functioning problems with the unit—including opening and closing, and vibration. Please note: that if after refurbishing the propeller you still experience functioning problems, these maybe related to wear and maintainance issues in some models of transmissions. This service is necessary approx. Every 5 to 10 years depending on, the enviroment that the prop lives in, amount/type of use, size of prop, and number of different operators.
Use (socket) extension to reach shaft nut (recessed inside end of hub), then, turn nut counter-clockwise to loosen. Do not remove nut entirely, as sometimes the hub (next step) may come flying-off the shaft with a lot of force. For this same reason, do not stand directly aft of the shaft, but rather, stand to one side. Note: 3/8” extension fits 3/4” & 7/8” shaft, ½” extension fits a 1” and larger shaft sizes. If you do not feel totally comfortable or competent in performing any of the following steps, and/or you do not have the appropriate tools/equipment, you should consult &/or hire a professional (boatyard, prop shop, etc.) to perform this service It is important that you understand a propeller hub and shaft are machined tapers, which generate a tremendous amount of holding power. Start by tapping the forward end of hub with a hammer and punch in order to separate the hub and shaft.
Graupner Folding Prop
Use caution when using this method, as prolonged hammering can damage the hub and shaft. Please note, If not successfull after a few tries with the hammer and punch method, it will then be necessary to use a wheel-puller. If at this point you have not had success with the removal of the hub from the shaft, we suggest that you consult a professional. (1) pivot pin (possible to re-use) Please keep the shaft nut and key unless they are damaged and need replacement.
These are not needed during re-conditioning, but are important for the re-installation. Martec will return the refurbished propeller with a new set of cotter pins. Please include a brief note in the box with the propeller giving us your name, address, telephone number, and a return date.
The return shipping method used is UPS, unless another carrier is requested. Be sure to insure your package,and secure the package well, by putting extra packing at each end of the box. Most propellers are scheduled on a two to four week turn-around. However, if the circumstances warrant a quicker turnaround, we will make every effort to meet your particular schedule/launch date. You may pay for the service by VISA or Mastercard, or check if time permits.
Average cost is approximately $260.00 - $280.00 US + Shipping and Handling. Please note that the propeller size & metal condition mayl affect the average cost.
Seahawk, Martec Engineering and Austral Propellers have joined forces to bring you the%u2018Slipstream%u2019 range of Folding Sailboat Propellers.Slpstream Folding propellers are a geared design. They were first released in early 2003, starting with the 2-blade version in April and the 3-blade version due in July.Founded by the late Walt Beck in Long Beach, California, Martec developed in the 1960%u2019s the first modern, low-drag sailboat propeller, known as the%u2018Martec Folder%u2019.
How to install psx iso on wiisx forwarders. While folding props had been around for a century or more, they were inelegant, expensive designs. Beck%u2019s looking like a piece of bronze functional sculpture, arrived at a time when sailboat design was evolving rapidly toward higher performance. A backyard, part-time enterprise of an aerospace engineer became a thriving family business that continues today now run by his son.