I have recently acquired a Barry Bennett 9'4' x 21.5" old log [mid 60s] that would have had a D fin in it I assume [but I'm not sure]. I'm looking at putting a new fin in it. What would putting a big swoopy fin or a hachett style fin do to it's ridability compared to a D fin? It's in pretty beaten up condition so I'm not over concerned with originality, more concerned with rideability.
cheers

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bradsdubs said..
I have recently acquired a Barry Bennett 9'4' x 21.5" old log [mid 60s] that would have had a D fin in it I assume [but I'm not sure]. I'm looking at putting a new fin in it. What would putting a big swoopy fin or a hachett style fin do to it's ridability compared to a D fin? It's in pretty beaten up condition so I'm not over concerned with originality, more concerned with rideability.
cheers

if your concerned about rideability only and as you said its fairly beaten up i would deffinetly recommend going a greenough type dolphin fin. if its a big fat heavy type barry bennet board then get something nice and whippy as you will need it. Unless you're familiar with old logs and into that type of board i wouldnt go putting a D fin back in it

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BigSpazz said..

bradsdubs said..
I have recently acquired a Barry Bennett 9'4' x 21.5" old log [mid 60s] that would have had a D fin in it I assume [but I'm not sure]. I'm looking at putting a new fin in it. What would putting a big swoopy fin or a hachett style fin do to it's ridability compared to a D fin? It's in pretty beaten up condition so I'm not over concerned with originality, more concerned with rideability.
cheers

if your concerned about rideability only and as you said its fairly beaten up i would deffinetly recommend going a greenough type dolphin fin. if its a big fat heavy type barry bennet board then get something nice and whippy as you will need it. Unless you're familiar with old logs and into that type of board i wouldnt go putting a D fin back in it

something like whats in my profile picture <<<<

Those old D's are tough to turn unless your a 140kg rider..A dolphin fin would look original..BUT.

Go with SPAZZ..those fins will work better.

Thanks for the replies...again I know it's not original, but I'm thinking I could put a fin box in it and experiment.....I could put the 12" Greenough from my modern log in and see how it goes..and decide from there??..that might be fun and educational

I'm with Bigspazz

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Macaha said..
I'm with Bigspazz

+ 1
I would never question what BS has to say on these sort of topics. He has seen and ridden and owned more old style long boards than I have ridden longboards. Its a no brainer.

Out of curiosity what fin is that in your profile pic BS?

^^^Looks like a greenough 10" flex.

its the mctavish plastic machine fin replica. i Put it in a don burford stringerless for a mate. super super whippy and flexy

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BigSpazz said..
its the mctavish plastic machine fin replica. i Put it in a don burford stringerless for a mate. super super whippy and flexy

Cheers mate, love the look of it.

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vanders1 said...

BigSpazz said..
its the mctavish plastic machine fin replica. i Put it in a don burford stringerless for a mate. super super whippy and flexy

Cheers mate, love the look of it.

Yep,very nice. Now that sucker would sling you out of your bottom turns....especially on a midlength

The problem with the old D fins is that they are too thin and are basically flat sided. Foil 'em right and they are all good, much better turning capability whi;le retaing the old look. We have some coming up with top notch foil options.

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BigSpazz said..
its the mctavish plastic machine fin replica. i Put it in a don burford stringerless for a mate. super super whippy and flexy

Horrendous flat sides in the base and a very low Reynolds number. Not ideal at all sorry.

A well foiled pivot fin would be better.

Looks can be deceiving as the surfing population have all been trained to expect a certain look... this is a ball and chain to performance.

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RoyStuart said..
The problem with the old D fins is that they are too thin and are basically flat sided. Foil 'em right and they are all good, much better turning capability whi;le retaing the old look. We have some coming up with top notch foil options.

old D fins are too thin? what type of D fins are u looking at! most of em are like 10mm thick minimum

Ripin

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BigSpazz said..

RoyStuart said..
The problem with the old D fins is that they are too thin and are basically flat sided. Foil 'em right and they are all good, much better turning capability whi;le retaing the old look. We have some coming up with top notch foil options.

old D fins are too thin? what type of D fins are u looking at! most of em are like 10mm thick minimum

That's way too thin, they should be 18mm minimum at the base. It's basic hydrodynamics.