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RS300 vs Blaze

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feva_sailor View Drop Down
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Post Options Post Options   Quote feva_sailor Quote  Post ReplyReply Direct Link To This Post Topic: RS300 vs Blaze
    Posted: 10 Jul 06 at 3:34pm
there has been talk of a assy on a blaze!how cool would that be mind you completly destroys the one design

Edited by feva_sailor
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rich96 View Drop Down
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Post Options Post Options   Quote rich96 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 4:17pm

Originally posted by feva_sailor

there has been talk of a assy on a blaze!how cool would that be mind you completly destroys the one design

Yeh - then add a jib, some really wide wings, lengthen it to 18ft and go out three up !

Is it me or do these  sort of predictable comment begin to grate ?.

Not every car is an F1 Ferrari and not all boatds hjave, need or would benefit from 'assys', wings, trapezes etc.

If it aint broke - dont fix or modify it !

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feva_sailor View Drop Down
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Post Options Post Options   Quote feva_sailor Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 4:19pm
Originally posted by rich96

Originally posted by feva_sailor

there has been talk of a assy on a blaze!how cool would that be mind you completly destroys the one design


Yeh - then add a jib, some really wide wings, lengthen it to 18ft and go out three up !


Is it me or do these  sort of predictable comment begin to grate ?.


Not every car is an F1 Ferrari and not all boatds hjave, need or would benefit from 'assys', wings, trapezes etc.


If it aint broke - dont fix or modify it !



if you were thinking it was my idea.....its not
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jeffers View Drop Down
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 4:22pm
There have been various options on the Blaze rig, I believe the class is currently evaluating a rotating mast, carbon mast and different sail cut.

However there is a lot to be said about if it aint broke don't fix it. The Blaze rig has proven very hard to beat I am lead to believe and there still have not found a rig that performs at quite the same level....

I could be wrong I am sure Blaze 720 will correct if I am (being the class guru that he is).
Paul
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blaze720 View Drop Down
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 5:18pm
Paul is quite right the Blaze rig is now highly refined and makes the boat great to sail.  As for trying other options - we have always evaluated options in the class and have rejected many ideas after looking at them, only adopting the ones that make sense for the vast majority.  (I've even got a Blaze custom made Sobstad self tacking jib in my garage !)  It's easy to make the boat 'faster', 'better' etc but if you just want speed we'd all end up perhaps in 18'ers or MPS's or A class cats !  

Sure we've formally looked at carbon masts, classes should look over the fence from time to time  - and the association has looked at rotating versions as well and some individuals are even currently experimenting with spinnakers.  Does not mean they will be adopted.  There is a lot to be said for keeping things relatively simple, moderately priced,  fast of course but still manageable when it blows.  The boat is one of the few 'modern' singlehanders designs that really does revel in a good breeze and can carry its sail area.  Many recent designs have too much roach or overall sail area for higher winds in order to simply boost their light wind performance.  (10m is enough anyway!)  With our more modest roach and semi-soft sail we are often blasting around for the hell of it when others are back in the dinghy park or maybe never left it.   If you want large sustainable fleets the average club sailor should not feel too wary of stronger winds - they want to race not just survive.  Its all right advocating a 'challenge' but to my mind that should largely be a racing one not simply a handling one in relatively moderate winds - that's not to say anyone can just get in the Blaze and make it really 'go' - far from it and it really rewards technique.   In summary boats with relatively 'easy manners' enjoy large fleets and the racing within large fleets is a much more enjoyable challenge for most especially when they can enjoy the higher wind stuff as well.  Look at the successes amongst the traditional big fleet classes - Solo, OK, Finn, Phantom and I suppose the Laser - all moderate boats if you are the right size.  As a class that is where the Blaze association has always been aiming as well. Could we make it 'faster' - of course and there is a strong case for measured refinement, moving with the times when justified, but perhaps not a rig and sail area revolution.   

Blaze '720'

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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 8:41pm
Originally posted by blaze720

With our more modest roach and semi-soft sail we are often blasting around for the hell of it when others are back in the dinghy park


My experience is exactly the opposite. A modern fully battened largish roach short boom rig is just so much more manageable in serious breeze. The short boom is twice as civilized gybing, and a full battened sail and big roach means that you can completely blade and twist off the top with the mid leech still standing up with the battens, giving you a highly stable and steady rig whilst the soft sails are flogging to baggy hell with the crew desperately trying to get some control of the sail in order to be able to point and failing.

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blaze720 View Drop Down
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 9:36pm
But the Blaze has a shortish boom anyway !  And my original point really referred to single sail  boats.

If you have a jib then fully battened can work provided the main battens are fairly 'soft' - the Tasar is a great example that still allows some feathering upwind but fully battended 'single sails' set-ups can be a right struggle when overpowered and don't dump power as easily.  The compromise 'semi-soft' main is now widely used by many single (Blaze, Solution, 300) and 2 sail designs (eg 800) because it allows useful feathering of the main upwind but has enough projected roach to give good drive in all conditions.  However too much roach and sure you can blade it off if its a good design but all it contributes is additional drag afterwards.  The excessive roach seen recently was on boats such as the Vago, and in the past on ones like the ISO (and the original 10.4m Blaze - you really needed to try one to know why it HAD to be changed).    

When feathering you want the leading area of the sail to be able to periodically 'collapse' but not flog of course - the leech still pulls.  With good sheeting this allows pointing angles to be maintained, the boat to be kept flat through gusts without changing boat angle or direction etc.  If you cannot feather then there will come a point when the main has to be eased excessively to maintain control and the pointing angle is lost - but it can still work if the boat can be planed upwind when going low by switching from displacement to planing modes (all depends on class).  However in higher winds still the point will again come when the need to dump power is critical and going even (too) lower reduces the VMG.

That said if it works for you fine - more than one approach can work in several classes - it depends upon many factors.  I do agree with you about over long booms.  Put a foot or two on the mast and take it off the boom would be a good route for quite a few classes. What do you sail JimC ?

Blaze 720
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 10:35pm
Originally posted by blaze720

If you cannot feather then there will come a point when the main has to be eased excessively to maintain control and the pointing angle is lost

With a soft sail yes, not with a properly design FB rig (which IMHO the ISO and Buzz ones comprehensively were not...)

Recently I've mostly sailsd Cherubs and ICs and my own one off singlehander. I also know a lot of the Moth guys.
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Post Options Post Options   Quote fizzicist Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 10:46pm
Feathering upwind is slow as hell in a boat that planes upwind though...
Not all chemicals are bad. Without chemicals such as hydrogen and
oxygen, for example, there would be no way to make water, a vital
ingredient in beer.
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blaze720 View Drop Down
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 06 at 11:50pm
We are talking about single sail rigs not 'with jib' were we not ? The semi-soft sail  (ie 2 x full battens and something like 2 x short) is a compromise of course - but the 800 does rather well with it and the 300 is another partial example.   We agree with you about the ISO /Buzz rigs of course which is why we in the Blaze association developed a semi-soft rig in the 800 style and abandoned the original poor 10.4 fully battened rig six years ago.  Reduced but effective area worked for us. 

Going low(er) and planing only works if the VMG figures confirm it and it does vary according to class.  If your point is that the IC and Cherub can be fast  - well yes nobody is suggesting otherwise and they will have polars that are different from a Blaze or a 300.  And to take extreme examples modern sailboards go very low and can do it very successfully as well.  The 300 and Fireball as many would confirm are 'marginal planers' upwind and it pays to take care when deciding to go low as it is sometimes a mistake.  Less so with a 800 which really can fly to windward (and with its semi-soft rig mind you) much more of the time.  The Blaze with its leverage can plane to windward as well in suitable conditions and my point was simply you have to take any decision with care with these slower windward planers and that semi-soft sails, if properly designed allow you a lot of flexibility.  I don't understand the point about knowing Moth sailors though, I know a number of them as well.  But many of us ex-boarders were using carbon spars, foils and camber induced sails more than 20 years ago - that's quite a while before most Moths joined in ..... Fully battened sails were the norm for us even then but the devil was always in the detail - too stiff or too soft was always slow ... and we eventually found out that area was not the only key. 

Would it be boring if we all agreed on anything ?

Blaze 720
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