[Alberg30] Mast bend

[Bill Blevins]

Hey Melissa! Sounds like you had a wild ride this week! Glad everyone's ok.

I will put the gauge on our rig tomorrow morning and then report our race
findings after the finish tomorrow night.

Bill Blevins
"Sabrina" #158

--

On 7/25/03 9:37 AM, "Melissa Currier" <mcurrier at spinrx.com> wrote:

> I have had the same question about approprite fore and aft position of the
> mast on an Alberg.  I am used to racing on other bigger, faster boats that
> have adjustable back stays and check stays for upwind and "fraculators"
> for cranking the rig forward on the jib halyard when downwind under chute.
> 
> I am very curious about your findings.  It seems inverse to normal trim
> and tune theory to point better with the rig forward upwind...  But maybe
> that's just the way these boats go?  Any thoughts from others?
> 
> I would be curious about fore and aft tensions.  I am also curious about
> how much jib halyard tension you had for the light air.
> 
> We've been battling the >44 degree pointing angles ourselves...  Looking
> forward to this discussion.
> 
> Melissa Currier
> Alberg 30 #57
> 
> 
>> A30 racers,
>> 
>> I just re-read the past threads on rig tension again. (We race.) I
>> thought we were pointing pretty good in most wind conditions until we
>> had some "experienced" racers sail with us last week. (They loved the
>> A30 by the way). During the race, the comments were "this boat should
>> point higher than this". (In 4-6 knots of wind the aparent wind angle
>> off the bow was 43-45 degrees).
>> 
>> I've been thinking about this all week, so last night I went to the
>> boat, loosened the forestay, took the backstay all the way in and
>> snugged up the forestay again. This probably added 2 inches to the
>> forestay and took away 2 in the back. (The backstay is as far "in" as it
>> can be adjusted now).
>> 
>> I had previously set the mast so that the top was directly over the base
>> with the forward bend being pulled slightly to the bow by the forward
>> lowers. NOW, there is a gentle bend aft and the top of the mast is
>> obviously not over the base anymore.
>> 
>> I see that's not what has been suggested in previous threads on this
>> topic but I was wondering if those of you who DO have backstay adjusters
>> see that your rig looks "curved" when the backstay is on going to
>> windward.
>> 
>> I went sailing last night in about 3-4 knots of wind and the aparent
>> wind angle seemed to improve about 5 degrees on each side. I was reading
>> 38-40 degrees.
>> 
>> I'm happy with the result, just questioning if this is good for the mast
>> to ALWAYS have a bend - since I don't have a backstay adjuster yet.
>> (Still have to buy a vang first, new snatch blocks...list goes on and
>> on...)
>> 
>> (I have my tensions written down and can look them up if that's needed
>> by any of you to answer my question.)
>> 
>> Thank you.
>> 
>> Bill Blevins
>> "Sabrina" #158
>>  +---------------------------------------------------------------+ |
>>            This Old Boat by Don Casey                     | |
>> http://www.amazon.com/exec/obidos/ASIN/0071579931/alberg30-20 |
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> 
> 
> Melissa Thompson Currier
> Tel: 410-990-9855
> Cell: 443-871-4602
> 
> 
> 
> +---------------------------------------------------------------+
> |                This Old Boat by Don Casey                     |
> | http://www.amazon.com/exec/obidos/ASIN/0071579931/alberg30-20 |
> +---------------------------------------------------------------+
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 +---------------------------------------------------------------+
 |                This Old Boat by Don Casey                     |
 | http://www.amazon.com/exec/obidos/ASIN/0071579931/alberg30-20 |
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