Prop stuck on shaft

Re: To Sumerise.

Correct. if you've ever tried to take a flywheel pulley off a truck engine you'll know how much force you have to apply. This is not Nissan Micra stuff. Think big.
 
Er no!... oxy-acetylene is used to cut steel by burning (oxidation) not melting. That uses a high pressure jet of oxygen within a flame that heats the steel.
Using a normal oxy/acetylene welding torch or a burning torch without activating the cutting lever will heat the prop effectively.
 
Re: To Sumerise.

The three or two leg pullers dont normally work, as you cant get them on as the blades overlap, well they do on virtually every prop I've seem, aprt from two bladers! You need a special prop puller, most I've seen or used, were made for the job/prop/boat. Lots of heat and a large copper hammer or a large baulk of timber to whack the front of the prop with, end on, normally shifts them, leave the nut on with just a few threads showing between prop and nut.
 
OK, props off, all cleaned up, ready to reassemble. What protective is used/not used, to prevent it sticking again?
 
I wish I shared your enthusiastic optimism /forums/images/graemlins/smirk.gif

When and if it comes off you pose a good question

Water proof grease will no doubt be squashed out by the tapper as will everything else.

How about silicone sealant left to cure prior to the final half turn ????????
/forums/images/graemlins/confused.gif
 
Not got it off yet? My prop is about 30" on 2" shaft, and ringing is my only option as heat would get lost too quick, and cutless bearing don't like it. If you decide to hit prop endways, rather than both sides, bear in mind thrust bearing in gearbox may complain later.
 
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