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Forums > Sailing General

Thoughts on running back stays

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Created by Donk107 > 9 months ago, 27 May 2016
shoodbegood
VIC, 873 posts
4 Jun 2016 9:28PM
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Jolene said..
Here's a pretty neat set up for runners that Andy might be interested in.







What does the block with the shocky next to the runner block do?

andy59
QLD, 1153 posts
4 Jun 2016 9:35PM
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Jolene said..
Here's a pretty neat set up for runners that Andy might be interested in.







It looks like a pretty simple and effective setup

Crusoe
QLD, 1195 posts
5 Jun 2016 9:04AM
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LooseChange said..

Shaggybaxter said..
I think Chris and Lydia summed it up quite nicely.
Has anyone seen a monohull backstayless alloy rig?
Edit: clarification :on a keelboat



Has anyone seen a monohull backstayless alloy rig? ...... Yes


Edit: clarification :on a keelboat ........ Yes



Select to expand quote
shoodbegood said..

Jolene said..
Here's a pretty neat set up for runners that Andy might be interested in.








What does the block with the shocky next to the runner block do?



Just guessing but the block could be for a spinnaker sheet and the shock is just to hold the block up. This stops if flopping around when is use (as well when not in use). I use this same concept on my boat.

With the running backstays, I also have another small line attached where the spectra finishes which goes back to a small block at the base of the standing rigging on the deck (near the mast) and then back to a cleat beside the cockpit. This enables me to pull the running backstay forward (without leaving the cockpit) when not in use.

sirgallivant
NSW, 1531 posts
5 Jun 2016 9:12AM
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I like the designer made frame and solar panel too.

ChopesBro
351 posts
5 Jun 2016 8:34AM
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Running backs ? I thought this was about jarrod Hayne

shoodbegood
VIC, 873 posts
5 Jun 2016 10:58AM
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Select to expand quote
Crusoe said..

LooseChange said..


Shaggybaxter said..
I think Chris and Lydia summed it up quite nicely.
Has anyone seen a monohull backstayless alloy rig?
Edit: clarification :on a keelboat




Has anyone seen a monohull backstayless alloy rig? ...... Yes


Edit: clarification :on a keelboat ........ Yes





shoodbegood said..


Jolene said..
Here's a pretty neat set up for runners that Andy might be interested in.









What does the block with the shocky next to the runner block do?




Just guessing but the block could be for a spinnaker sheet and the shock is just to hold the block up. This stops if flopping around when is use (as well when not in use). I use this same concept on my boat.

With the running backstays, I also have another small line attached where the spectra finishes which goes back to a small block at the base of the standing rigging on the deck (near the mast) and then back to a cleat beside the cockpit. This enables me to pull the running backstay forward (without leaving the cockpit) when not in use.


Thanks Crusoe
I kinda thought that but then wondered whether Jess used a kite on her own?
Probably did!

MorningBird
NSW, 2680 posts
5 Jun 2016 1:35PM
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The block next to the one with the running back stay was probably for the sheet for the staysail/storm jib on an inner forestay. MB has the same setup for the staysail/stormjib. I recall she didn't use a kite of any sort but haven't looked at her trip for a long time.

Jolene
WA, 1604 posts
5 Jun 2016 6:19PM
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shoodbegood said..

Thanks Crusoe
I kinda thought that but then wondered whether Jess used a kite on her own?
Probably did!


Pink Lady carried a MPS, it was also fitted with a bow sprit for the MPS. In the photo you can see the turning block for the stay sail forward of the primary winch with the stay sail sheet threaded sitting idle.

Bock in question may also be for a trysail??

MorningBird
NSW, 2680 posts
5 Jun 2016 8:30PM
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Jolene said...
shoodbegood said..

Thanks Crusoe
I kinda thought that but then wondered whether Jess used a kite on her own?
Probably did!


Pink Lady carried a MPS, it was also fitted with a bow sprit for the MPS. In the photo you can see the turning block for the stay sail forward of the primary winch with the stay sail sheet threaded sitting idle.


Thanks. I recalled her saying she didn't need to go forward at all. Obviously she did on occasions with an MPS.

Jolene
WA, 1604 posts
5 Jun 2016 6:34PM
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Select to expand quote
MorningBird said..
Jolene said...
shoodbegood said..

Thanks Crusoe
I kinda thought that but then wondered whether Jess used a kite on her own?
Probably did!


Pink Lady carried a MPS, it was also fitted with a bow sprit for the MPS. In the photo you can see the turning block for the stay sail forward of the primary winch with the stay sail sheet threaded sitting idle.


Thanks. I recalled her saying she didn't need to go forward at all. Obviously she did on occasions with an MPS.




She may not have used the MPS though.

shoodbegood
VIC, 873 posts
5 Jun 2016 9:25PM
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Great info guys!
By MPS you mean multi purpose spinnaker?
Is this an asymmetric?
It would be pretty risky setting this on your own in the middle of nowhere, to gain what, 2 knots for a few hours?

Jolene
WA, 1604 posts
6 Jun 2016 6:29AM
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MorningBird said..
The block next to the one with the running back stay was probably for the sheet for the staysail/storm jib on an inner forestay. MB has the same setup for the staysail/stormjib.


You are probably correct on that Morning bird as it would make simple work alternating staysail sheets and runners/checkstays on the spinnaker winches if you needed to tack. The other line coming from the forward block may just be the heady furler.
Select to expand quote
shoodbegood said..
Great info guys!
By MPS you mean multi purpose spinnaker?
Is this an asymmetric?
It would be pretty risky setting this on your own in the middle of nowhere, to gain what, 2 knots for a few hours?


That is correct , multi purpose spinnaker..

ChopesBro
351 posts
6 Jun 2016 9:27AM
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ChopesBro said...
Running backs ? I thought this was about jarrod Hayne


Seriously. ..American football. ..jarrad haynes the x eel...running back ( or was...didnt "stay")

Not a single giggle


This is some my best work right there ppl!

I'm wasted on yous

PhoenixStar
QLD, 477 posts
6 Jun 2016 2:05PM
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I thought that the S&S had the head of the inner forestay terminated on a section of the mast that was not supported by spreaders or shrouds, so it was necessary to use runners to give that support, I think some set up the inner with a highfield lever and brought the stay to the mast to make tacking easier.

sirgallivant
NSW, 1531 posts
7 Jun 2016 11:01AM
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Not too much worry about stays, runners or furlers on this rig.






LooseChange
NSW, 2140 posts
7 Jun 2016 12:43PM
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sirgallivant said..
Not too much worry about stays, runners or furlers on this rig.







'San Toy' a Radford 12m out of Manly Yacht Club.

sirgallivant
NSW, 1531 posts
7 Jun 2016 2:16PM
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Yep. Well spotted. This is his own. He designed mine too (working with Joe Adams) and encouraged me to buy it. I am glad l listened to his guidance, forever!
If you sail this cat you better forget all you know about sailing a sloop rigged yacht.

MorningBird
NSW, 2680 posts
7 Jun 2016 8:02PM
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Select to expand quote
PhoenixStar said..
I thought that the S&S had the head of the inner forestay terminated on a section of the mast that was not supported by spreaders or shrouds, so it was necessary to use runners to give that support, I think some set up the inner with a highfield lever and brought the stay to the mast to make tacking easier.


Provided the inner stay is attached to the mast within 10% of the outer stay attachment runners are not required.

southace
SA, 4783 posts
7 Jun 2016 8:30PM
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No traveler? Where is the main sheet attached to inside the tiller? I would say she is running runners to her mast for reefing not for height or performance.

ChopesBro
351 posts
7 Jun 2016 7:28PM
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Select to expand quote
sirgallivant said...
Yep. Well spotted. This is his own. He designed mine too (working with Joe Adams) and encouraged me to buy it. I am glad l listened to his guidance, forever!
If you sail this cat you better forget all you know about sailing a sloop rigged yacht.




My awesome pun ( neglected) aside.

That looks really interesting . How does it sail

PhoenixStar
QLD, 477 posts
7 Jun 2016 9:43PM
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Select to expand quote
MorningBird said..
PhoenixStar said..
I thought that the S&S had the head of the inner forestay terminated on a section of the mast that was not supported by spreaders or shrouds, so it was necessary to use runners to give that support, I think some set up the inner with a highfield lever and brought the stay to the mast to make tacking easier.


Provided the inner stay is attached to the mast within 10% of the outer stay attachment runners are not required.


Depends on the section moment of inertia of the mast. Masts are end loaded columns (obviously) and react badly to bending moments, any load outside the centroid of area like mast head cranes and boom thrust from a vang and rigging that is not attached to a node and the distributed loading of mainsail slugs.

felixdcat
WA, 3519 posts
8 Jun 2016 12:35PM
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Just sold my Farr 740 and I will not miss the backstays used to race short handed and was a pain in the proverbiel most of tacks and jibes. I will get a yacht with no running backstays for sure. I made a (very low offer) offer on a nice Elliot 7 let seee and wait.

andy59
QLD, 1153 posts
8 Jun 2016 8:40PM
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southace said..

No traveler? Where is the main sheet attached to inside the tiller? I would say she is running runners to her mast for reefing not for height or performance.



The mainsheet traveller is just a pulley on a line secured to both sides of the cockpit, pretty simple but effective enough. I thought the running backs are more like check stays to support the mast at the inner forestay when the staysail is set.

sirgallivant
NSW, 1531 posts
8 Jun 2016 9:13PM
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How did SunToy sail?
With the 95 m2 sail and a 14+ m carbon mast?
Awesome. Well, it flies like bat out of hell.
Lots of rope burns on legs and arms if one does not get it right.
Once, we started the a twilight race last, as always,huuuge handicap, overtook all the field, won the race. The clubhouse asked him to stay on the finish line to relay the order of the others arrival as it was too dark by then to see clearly from Manly clubhouse.



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"Thoughts on running back stays" started by Donk107