Sport & Outdoor – Others

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Two methods used for establishing the desired alignment are the gap and sag method and the bearing load measurement method. The alignment is checked during installation by a taut wire, a sighting telescope or a laser beam.
Everything on a boat is viewed stern to bow. Propeller rotation is no different; a right hand propeller rotates Clockwise viewed from the stern of the boat looking forward. A Left hand propeller rotates Counter Clockwise viewed from the stern of the boat looking forward.
The driven (propeller) shaft, for ahead running, rotates in the opposite direction to the drive or input shaft. For astern running, the driven (propeller) shaft rotates in the same direction as the drive shaft. To stop the propeller shaft, the control is moved to the neutral position and both clutches are disengaged.
A coupling is correctly aligned if a straight-edge laid across both coupling halves parallel to the shaft maintains the same distance from the shaft at all points around its circumference. In addition, the axial distance between the coupling halves should remain the same at all points around the circumference.
A zero degrees shaft angle (parallel to waterline) is the most efficient in theory, since thrust is straight aft and water flows to the propeller from straight ahead.
The three primary methods of producing pairwise alignments are dot-matrix methods, dynamic programming, and word methods; however, multiple sequence alignment techniques can also align pairs of sequences.
The clock method, or 9-12-3 as it is also known, is the origin of all shaft alignment. Anyone who knows how to use analogue dial indicators will recognize this method.
The Three Rotational Ship Motions

Along the three axes, we obtain motions known as yawing, rolling and pitching. These rotational motions arise out of force couples set up at different regions on the ship. The rotation that occurs about the Z-axis that is vertically located is known as yawing.

In the case of twin-engined boats, to avoid the torque effect, i.e. having a boat that tends to turn, the propellers must turn in opposite directions for the same thrust effect.
Zusammenfassung. The function of the propeller shaft is to transmit torque between the transmission, the transfer case and the driving axles.
Front-wheel drive

In British English, the term drive shaft is restricted to a transverse shaft that transmits power to the wheels, especially the front wheels. The shaft connecting the gearbox to a rear differential is called a “propeller shaft”, or “prop-shaft”.

A stuffing box—also called a stuffing gland, packing gland or packing box—forms a seal between the prop shaft and the hole in the hull through which the shaft passes while allowing the shaft to turn freely.
Proper alignment will reduce bearing, shaft and coupling failures, bearing and coupling temperature, vibration, and energy consumption. In addition, good alignment will extend equipment life between planned maintenance intervals.
Laser Method

You could say that the alignment coupling using the laser method is the most precise and accurate. If other methods require precision and eye foresight, then with the laser method, you will be helped by infrared rays that align the axle of the machine.

The drive line working angle should not exceed six degrees, and the adjoining u-joints at either end of a shaft should be different by no more than one-and-a-half degrees. When u-joints are arranged this way, the angles are said to be “canceled.”
Contrary to popular belief, shaft misalignment rarely leads to vibration, as the bow or offset induced in a shaft by misaligned bearings is constant. Improper shaft alignment can lead to excessive shaft drag and a resultant increase in fuel consumption, as well as accelerated bearing and shaft wear.
Driveshafts will always have all yokes aligned. Failure to phase and align a driveshaft properly will result in vibrations that will destroy the driveshaft, dyno, and/or engine, and improper phasing can cause serious bodily harm when the driveshaft reaches its failure point.
There are two ways to align pulleys: Traditional and laser. Traditional alignment methods are quick but often inaccurate. With these methods, mechanical tools such as straightedges, tape measures, wire, string, feeler gauges, spirit levels and calibrated cones are used.

Discover Relevant Questions and Answers for Your Specific Issue

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2005 Mercury 50hp 2-stroke outboard motor very sluggish when accelerating, stalled twice when trying to exceed 50% throttle capacity. Last time I used my boat was about two months ago, so I don’t think bad fuel is the problem. I let my boat idle at the boat launch for probably 5 mins before taking off. I didn’t notice any weird sounds or any indication that my motor was running any different than normal. After only a couple of minutes of running my boat up river I gave more throttle(probably 75% power) when it started to bog down. I immediatly kicked it out of gear and checked to see if something was caught around my prop but there was nothing there. From then on everytime I put the motor in gear and gave it throttle it would barely respond and stalled twice. Any suggestions to what this might be? Thanks, Newt.
ANSWER : The carberator is gravity fed and there is propbably gunk in it, when you give it more throttle, it needs more gas but can’t get it. Then a build up of gas in the float bowl occurs and nothing works right. It has happened to me and its aggravating, do a complete rebuild on the carb or just replace it and you will be happier quicker.

Hope this helps, Coachtheune

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Protruding tube the air was not let out of the tube during a hot time last year and the tube developed an acorn look, protruding in the center, can we ger a new tube? If so where and how much?
ANSWER : Never really got into river rafting sounds like fun though. Anyways if you seach on the internet you can find sevylor merchandise. You can just about purchase anything on the internet anymore. Here is the website, you can click on this link and go straight to it. If you dont want to purchase it online you can use the websites dealer locator and find a store in your area. Good luck hope you have fun.

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Cracks in the top
ANSWER : Nice solution should work, and yes bad design by coleman. you can also paint roof with camper roof paint silver with fiber

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How to thread a Shakespeare fishing rod and reel
ANSWER : Feed the line down through the eyelets on your pole ,now open the bail on your reel tie the line on the spool,and start reeling(keep tension on the line,prevents line from tangling) when i resting mine I only go about two thirds on my spool.

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Ranault Laguna mk2 steering diagram – Sparex Track Rod End – 63245 – Track Rod End
ANSWER : Google it Check on youtube or other various computer sights.

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I have purchased three 750-watt power inverters in the last three weeks. They have all failed to work on the second or third use. The first two were the same brand. I replaced an old one that ran for several years. I am using it to run a 4.7 amp 120-volt vacuum cleaner motor that pumps up my air dock. I have it connected directly with marine cable to one of the boat batteries. The battery outputs about 12.8 volts DC. The fuses don?t blow, just No Output. I am using a three-wire 120-volt extension cord and am, wired neutral, hot and ground to the AC motor vial an on/off switch. The motor works fine when I run house power with an extension cord from the dock next to me. Could I be, just unlucky with new inverters and need to buy a forth one?
ANSWER : The problem may be that the inverter is undersized for the load. Is the 4.7 Amp rating the motor peak draw or the nominal one. What I mean is that it takes many times more power to start start the motor than when the motor is running. Typically it is 3 to 7 times more amps to start the motor than when it is running. It could be that starting the vacumm cleaner is stressing the inverter and it is causing it to fail prematurely. If you can find out the locked rotor current draw of the motor, the that would be the mininum size of the inverter.

Also, the type of inverter will make a difference on how the motor operates. A modified sine wave will make the motor run hotter than a pure sine wave inverter. Hope this helps.

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Motor not pushing boat after two thousand rpm’s
ANSWER : The prop is cavitating. The outdrive is not trimed under enough or the prop is damaged (providing it is the correct prop.)

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