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[sparkey]

  Hi,guys,just a word of warning went to the lake this morning with two boats for our scale day,yesterday I checked the boats out for today,oiled the shafts,charged the batteries,checked radio operation all OK,launched the Princess sailing very nice until it stopped dead, waited for the wind to bring it in oh dear no prop the only thing I forgot to check, tightness of prop,lesson learned the hard way,very expensive brass one too,silly me and now I had to order another one,and it did have thread lock on the thread too,Ray.  

[essex2visuvesi]

[CGAux26]

I did a similar thing a while back.  Running in shallow water over some rocky ground my prop must have hit a rock.  It backed off and dropped.  A search of an hour or so did not find it.  Hey Prop Shop, send me another one. 


Misery loves company? 

[theboatcrew]

I think most of us have done something similar in our time, (me included).  It's just that when it happens we would like it to be on a day that we are the only ones at the pond.......  It never is of course....

[sparkey]

  The up side of this was not the only one so it didn't feel so bad,we have a rescue boat which usually works quite well but that broke down also,out of interest the rescue part of the rescue boat is made out of plastic waste pipe in an "H" shape about 4ft x1ft open ends are capped off so it floats on the water,a pusher tug or the like enters one end of the "H" and it scoops up the dead boat in the other and pushes it to shore,works quite good,as luck would have it the wind was good and that pushed it to shore,happy sailing,Ray.  

[raflaunches]

I remember when my Dad and I first started modelling boating about 10years ago, we had two successful test runs of our first boat and on the third it stopped in the middle of the lake, we had to wait for the wind to blow her in- just as she almost got within of grabbing distance the wind changed and blew her to other side of the lake!!! We waited 30minutes to get her back only to discover that battery lead to the SLA had fallen off- plugged it back on and off it went no problems! We have a springer tug as a rescue boat now!

[Pat Matthews]

The only prop I ever lost remains firmly attached to its boat, at the bottom of a pond...

NEVER simply jam a threaded prop onto the end of a shaft, and/or depend on thread locker.
ALWAYS use a jam nut to lock your threaded prop onto the threaded shaft. Feel free to apply liberal amounts of Loctite, it'll make no difference (Until it's time to service the assembly).

If you must use grub screw retention, make sure that a sizable flat has been put into the shaft to make a seat for that screw.

[CGAux26]

The prop I lost was secured with double locknuts, no Locktite.  And I'm pretty sure it was tight.  But striking a rock going astern with a left hand prop on right hand threads unscrewed it anyway.  Lesson learned:  stay out of shallow water and rocks.