Viper Cunningham?
From actual land based experiments 50kgs is really a bit of a struggle one handed and needs leg drive as well. A straight pull one handed of 45 kgs took the skin off my hands so unless you are super athletic and can lock your feet into to something then 50kgs is going to be your upper max.
An old thread but a good one. I like looking through these old setup threads. I am keen to try Wouter's 1:12 internal system on my Cobra. I miss Wouter.
One thing I wonder about internal downhaul systems is how to prevent problems that could come up if the system loses tension in a capsize, whilst on the road, etc. What are the tips for avoiding any problems?

Matthew,
Never had any issues with the internal system on my Blade or Falcon and I travel a lot (I try to minimize the capzised though 🙂 ).
Since 2 years we are using the nicest system from a usage point of view on the Falcon I find.
There is an external 1/16 downhaul as you can find on many F18's, but it comes with spinlocks and is easy to remove from the mast (meaning you can splice it in the front beam).
Compared to most other cunningsystems this one is always easy to cleat or uncleat (even with high tension on it) and does not undo itself when taking it out on your trapeze!
I can post some pics if you like.
Gill

Hi Matthew,
You can find how it looks in the beam.
This is a picture showing the setup.
![[Linked Image]](http://www.catsailor.com/forums/ubbthreads.php?ubb=download&Number=13052&filename=Spinlock%20continuous%20cunningham.jpg)
The blue line is the cunningham. You just have to remove the spinlocks and 2 shackles and the system is fully loose.
The spinlocks prevent the line from uncleating when getting in the trapeze.
The orange line is the mast rotation quick release.
Gill
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