Manual inside boat ('controlled-pitch'; generally for larger boats): Hundested, VPF Propellers; SailNet - Mark Matthews' 'First Look: AVP Autoprop'. An idea of prices [6/2000?], using a Martec 17' 2-blade: fixed $275, folding $600, feathering $1200. Another idea of prices, 3-blade for 40-foot heavy boat, from 'Propellers and. Once feathered, it provides the least possible drag (similar to a folding prop) improving the vessel's sailing speed by an average of 15% above a conventional fixed. The Max-Prop utilizes the same leading edge in forward as it does in reverse giving the propeller the same efficiency in both directions, whereas on a fixed. Martec removal easy - remove 2 cotter pins that hold the prop pin, gently drive pin out with drift punch and hammer or plastic mallet, take off blades (note there is a. A great reference for inboard engines and mechanical systems (and most things on a boat) is Nigel Calder's 'Boatowner's Mechanical and Electrical Manual. This page archives want ads posted to sell CS Yachts of all models, giving the price and date offered for sale.

The pin is held in with two monel cotter pins. Martec strongly suggests not using stainless ones. Contact them to get the right ones. Same ones are used on the prop nut so get four. What he said. Furthermore: Assembly onto the prop shaft is not quite as straight-forward as one might think.

Contact Martec for installation instructions. Be advised that Martec props, any folding or feathering prop, actually, can be. We just had to send ours in for a refurb last winter because it had developed the 'Martec blues.' Btw: A fellow club-member suggested giving all the surfaces that bear on one another a good coating of marine-grade lithium grease to prolong the time-between-refurb intervals. Conduire Un Vehicle De Promenade Pdf. Says it's worked for him.

I didn't see how it could hurt, so I went ahead and did that on ours.

( 2) - Blades (1) - Hub (1) - Monel Pivot Pin (1) - Key (4) - Monel Cotter Pins (1) - Nut TOOLS NEEDED Wheel-puller (to remove fixed prop or hub from folding prop) Soft rubber mallet (to tap hub if necessary) File (for key, if slightly oversize) Pipe Wrench (to hold main gear) Socket wrench and extension: 3/8' for shafts 3/4' and 7/8' diameter & 1/2' for shafts 1' or larger Optional Equipment - Drill and 1/8' drill bit INSTALLATION OF MARK III ELIPTEC PROPELLERS Assemble hub, key and nut on shaft. Keystock may be slightly oversized. If necessary, file the top and bottom to insure proper fit.

Thread and tighten cylindrical nut with socket wrench ratchet and extension. Line up cotter pin holes in hub and nut, as you reach full tightness. Do not loosen nut if opposite holes are not in-line. Instead, enlarge existing holes or drill another one with a 1/8' drill bit, using hole in hub as a guide. Install (2) Monel cotter pins thru holes in hub; one from each side of the hub. Cut the cotters to fit and spread inside the nut.

Carefully line up pivot pin holes in hub and blades. Download Stok Barang Dengan Excel. Important note: One blade and one ear of the hub clevis are marked 'I' and should be assembled with both marks on the same side to insure proper balance. Install Monel pivot pin, and lock it in place with the remaining (2) Monel cotter pins. (Please note this is an option only - not a mandatory part of the installation) Apply a small amount of medium grease (marine/trailer bearing grease) on the pivot pin and on the blade flats (where the blades make contact with the hub) at the time of installation. Important to remember - Always mark your shaft from inside the boat, with the pivot pin in the vertical position (make sure you do this on both sides of the shaft) OPERATING INSTRUCTIONS Forward Engage only at idling RPMs. Damage may result if gear is engaged at much over 600 propeller rpm. Reverse Simply engage reverse and then increase throttle as much as required.

Racing Manually rotate the shaft to the best sailing position, where the previously marked pivot pin is vertical. MAINTENANCE INSTRUCTIONS Inspect all cotters at each haulout. Only replace with Monel cotter pins! We recommend that Martec refurbish your propeller within approx. The cost is nominal and it will add years to your propeller's lifetime.