Model Boat Mayhem
The Shipyard ( Dry Dock ): Builds & Questions => Pleasure boats, Sports, Race, Power and Leisure Boats: => Topic started by: Rich on September 28, 2008, 11:55:25 am
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Got to the lake today all ready for a few hours fun lasted about 30 seconds then the propeller fell off luckily I managed to get it and the nut and put it back on with lock tight but it come straight off again managed to get the proper back the second time and thought I would call it aday, what can I do so it stays on, is it a common problem
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Use a lock nut against the prop boss, and make sure the shaft/thread is completely dry before using thread lock.
Ian
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You could try a nylock nut if you can get it in.
Or wrap some sewing thread around the shaft where the nut is coming to rest area on locking/securing up the prop.
Make sure if your using thread lock it is in its sell by period. As boatmadman says, it needs a good dry oil/grease free area also it may take a little time to go off. straight back into the water won't do. At work we put the job in an oven for 20 minutes to cure, forget the temp we used.
Your are tightening the nut up good enough to lock the prop also it is R/H threads on the shaft/prop ?
Martin
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Another thought, is it a one way only boat? Ie a fast electric, cos if it is, change the prop to opposite hand, then as the boat runs it will be trying to tighten the prop.
Ian
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What is the boat ?
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I use my Mrs "last years colours" nail varnish as thread lock!
It's quite secure but 'snaps' free it it needs to be removed.
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i have thread locked that and the collet the propper sits on and left it now so hopefully next time i coem to use it next week it wont happen again the boat is a capricorn 54 and its a ready to run with forwards and reverce, i took it out the box and in the lake so to speack ,should of known better to lock tight it all up thank you all for your help
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So thats why there was no nail polish at the Llanberis Bring and buy---or was it {-) {-)
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Least you found your prop! >>:-( - mines at the bottom of the lake somewhere {-)
thanks for the help guys, just some threadlock is it then.
Lee
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i did 5 or 6 batterys 1 after the other yesterday no problems with prop thank you for all your help