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speed 3 mixer question

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merl
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speed 3 mixer question

Postby merl » Sat Sep 08, 2018 9:17 am

Just noticed that the c sparepart line has a knot near the bar end where it meets with Z. What is the purpose? I was wondering whether to larkshead z to that knot to lengthen z a bit. The kite is fine and stable but one needs to pull some trim in all winds. (I wondered whether it should have been at the knot all along, but I looked at an old vid of Gunnars on replacing these lines and he clearly does not have z attached at that point - see attached picture)
Screen Shot 2018-09-08 at 10.19.07.png

foilholio
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Re: speed 3 mixer question

Postby foilholio » Sat Sep 08, 2018 11:40 am

Knot can act to stop line getting stuck in pulley or used to restore pulley line limit.

You can safely move to C pulley line onto a knot on the rear main to extend Z.

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Re: speed 3 mixer question

Postby direnc » Sun Sep 09, 2018 10:20 pm

foilholio wrote:
Sat Sep 08, 2018 11:40 am
You can safely move to C pulley line onto a knot on the rear main to extend Z.
Just asking to be sure I understand correctly.
So, no need to add pigtails to extend Z ?

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Re: speed 3 mixer question

Postby foilholio » Mon Sep 10, 2018 7:54 am

If you move the rear C pulley line attachment down onto the rear main with a knot or say the ELC it has the effect of changing Z length. Have a think about it. It will also move your trim a bit. You can always make a pigtail if you want, but you also gain 3 spots to adjust Z with only one knot in the rear main. 1 the rear main Zmain join, 2 the NEW rear main knot and 3 the ELC.

Would you like a picture?

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Re: speed 3 mixer question

Postby direnc » Mon Sep 10, 2018 10:11 pm

I read what you wrote again carefully, and understand it now. Thank you!

merl
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Re: speed 3 mixer question

Postby merl » Wed Sep 12, 2018 6:34 pm

foilholio wrote:
Sat Sep 08, 2018 11:40 am

You can safely move to C pulley line onto a knot on the rear main to extend Z.
What I'm talking about here is the other way around: moving Z onto a knot (that already exists) on the C pulley line. Looks harmless, the knot is already there, and it only changes Z.

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Re: speed 3 mixer question

Postby foilholio » Fri Sep 14, 2018 2:28 pm

Yes you can you just may not get enough adjustment. Be aware changing that knot position will change your B limit. As well changing the length of Z with a mixer test changes the B limit.

You could use an extension for the Zmain and then place it on the rear main knot instead of moving the C pulley line attachment. Would give you the Z adjustment without effecting trim really.

There is no harm to any of this. Z and the rear have very little load and so knots pose no issue.


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