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Sheave at top of mast for mainsail halyard
When I bought my RL 28...the mainsail halyard was 8mm...but trouble raising the mainsail led to reduction to 6mm spectra...but still had trouble raising the sail...the mast is down...sheave removed...a brass sheave which looks to be more suited to wire...anyone replaced this sheave at the top of the mast...
Michael Kenneth Cowan10-Apr-2018    Edit    Delete 
Re: Sheave at top of mast for mainsail halyard
Michael.
Your problem sounds to more like your main halyard is fouling one of the other lines inside your mast because the sheave material would make very little difference unless it is not turning or the line is jamming between the sheave and the side.

Just check the outlet sheave at the bottom of the mast and make sure that the headsail halyard exit is the most forward then the spinnaker exit and the main halyard the most aft.
Rob Legg11-Apr-2018    Edit    Delete 
Re: Sheave at top of mast for mainsail halyard
Thank you Rob...will check that halyards are not crossed...don't think this is the case...out of interest to anyone else reading this...in terms of replacement sheaves...Rostan recommended Keeleys Marine in Victoria...excellent service...and help...highly recommended for rare fittings...mast sections...

https://www.keeleymarine.com.au/

Michael Kenneth Cowan15-Apr-2018    Edit    Delete 
Re: Sheave at top of mast for mainsail halyard
when i had my mast put together i had bearing sheaves installed. costs a bit more but it made a HUGH difference. also get them to 'mouse' the halyards for you.
paul17-Apr-2018    Edit    Delete 

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