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Do I need (depower) trim for Peak4?

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MartinO
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Do I need (depower) trim for Peak4?

Postby MartinO » Sat Apr 15, 2023 4:21 pm

I am building a ultralight compact bar for ski touring use of the Peak4 5m. I want to keep things at the absolute minimum, both in weight and pack size. What´s your opinion on the need of a depower trim or not for an ultra light ski touring and uphill climbing bar setup? Even if I rarely use the depower strap on my current bar, I fear a bit that I have to be really exact with the line lengths. On diy bars, I normally leave a bit of room for line length tuning on the fly, but I guess I could easily do that with knots and just adjusting more permanently at home before going out on the snow.

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Re: Do I need (depower) trim for Peak4?

Postby Sceotend » Sat Apr 15, 2023 4:27 pm

I always use both 5m and 8m without but I have quite long arms and short QR system though.

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Re: Do I need (depower) trim for Peak4?

Postby Flyboy » Sat Apr 15, 2023 6:16 pm

I use my Peaks on water, not on the snow, so my experience may not exactly apply ... however, I DO use the depower if the wind picks up significantly. You could certainly get by without a depower, but I wonder if the small amount of extra weight & bulk might not be worth it for the added range it allows with a single kite ... especially if you're out for the day touring.

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Re: Do I need (depower) trim for Peak4?

Postby Trent hink » Sat Apr 15, 2023 11:56 pm

Hydrofoilng with the Peak 4, I never touch the trim strap.

Alpine skiing, which is what the kite was actually designed for, might be different, especially if you want to pack light.

Just be prepared for the trailing edge to flog like hell when you find you need to pull the trim strap out of tune.

I haven't done any snow or ice kiting since I moved to Florida in 2006.

Aside from Midwestern girls, it's actually one of the only things I really miss since moving here!
Last edited by Trent hink on Sun Apr 16, 2023 12:40 am, edited 1 time in total.

br44
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Re: Do I need (depower) trim for Peak4?

Postby br44 » Sun Apr 16, 2023 12:29 am

MartinO wrote:
Sat Apr 15, 2023 4:21 pm
I am building a ultralight compact bar for ski touring use of the Peak4 5m. I want to keep things at the absolute minimum, both in weight and pack size. What´s your opinion on the need of a depower trim or not for an ultra light ski touring and uphill climbing bar setup? Even if I rarely use the depower strap on my current bar, I fear a bit that I have to be really exact with the line lengths. On diy bars, I normally leave a bit of room for line length tuning on the fly, but I guess I could easily do that with knots and just adjusting more permanently at home before going out on the snow.
It sounds like you don't know about the Dyneema splice cleat. I have it on all of my bars. You get full functionality for very little additional weight. Here is one topic that comes up if you search:
viewtopic.php?t=2403316

For a single Peak4 size (as opposed to say flying both the 4m and 11m) you could do without one -- but then, it makes little to no sense to not have a splice cleat as the weight savings would be minimal.
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Re: Do I need (depower) trim for Peak4?

Postby Smeagle » Sun Apr 16, 2023 11:15 am

I would not consider a bar without adjuster. I do ride very long sessions and it is important for me to trim just right, don't want to stretch my arms for a long time if I need depower.

You can do a very light setup:

I used a 3,5mm Depower line (960kg, really strong enough) + XTR Slide protect sheeting... After stretching my depower line is ~3,5mm, thin but really stong enough... And I used a small Clamcleat "CL268 Racing Micros" https://www.clamcleat.com/racing-micros.html which is only 13 grams. I fixed that with two screws directly through the line (sed shrink wrap on the screws to not hurt the lines). The adjuster only adds below 20grams of weight. I think, it's worth it. I use it on my Hybrid Kites, together with Ultralight Carbon bar.
Screenshot 2023-04-16 120222.png
Only the QR is a little on the heavy side, room for optimization ;)
Screenshot 2023-04-16 121503.png
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ronnie
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Re: Do I need (depower) trim for Peak4?

Postby ronnie » Sun Apr 16, 2023 11:46 am

A lightweight depower system I use on my single skin kite. Clamcleat CL260 and 3mm line.
cl2.jpg
cl3.jpg
cl4.jpg
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Re: Do I need (depower) trim for Peak4?

Postby alekbelia » Sun Apr 16, 2023 12:06 pm

MartinO wrote:
Sat Apr 15, 2023 4:21 pm
I am building a ultralight compact bar for ski touring use of the Peak4 5m.
More than 2 years using all my singleskin kites up to 9m without depower. Using carbon bars with 60 cm long depower cord. Lower bar is fully completed.
Attachments
20221012_183110.jpg

merl
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Re: Do I need (depower) trim for Peak4?

Postby merl » Sun Apr 16, 2023 1:10 pm

ronnie wrote:
Sun Apr 16, 2023 11:46 am
A lightweight depower system I use on my single skin kite. Clamcleat CL260 and 3mm line.
cl2.jpg
cl3.jpg
cl4.jpg
So this is for adjusting the distance below the bar, which in turn influences how sheeted you are when holding the bar at your favourite distance from the body.

I've not seen that cleat before. Also looks suitable for back lines, if one wanted to go that route.

How long have you used it? Any negatives?

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Re: Do I need (depower) trim for Peak4?

Postby merl » Sun Apr 16, 2023 1:12 pm

Smeagle wrote:
Sun Apr 16, 2023 11:15 am
I would not consider a bar without adjuster. I do ride very long sessions and it is important for me to trim just right, don't want to stretch my arms for a long time if I need depower.

You can do a very light setup:

I used a 3,5mm Depower line (960kg, really strong enough) + XTR Slide protect sheeting... After stretching my depower line is ~3,5mm, thin but really stong enough... And I used a small Clamcleat "CL268 Racing Micros" https://www.clamcleat.com/racing-micros.html which is only 13 grams. I fixed that with two screws directly through the line (sed shrink wrap on the screws to not hurt the lines). The adjuster only adds below 20grams of weight. I think, it's worth it. I use it on my Hybrid Kites, together with Ultralight Carbon bar.

Screenshot 2023-04-16 120222.png

Only the QR is a little on the heavy side, room for optimization ;)

Screenshot 2023-04-16 121503.png

That tiny cleat is also a favourite of mine. I used to bolt it on as you do, but now I drill out the holes a bit and just thread the (3mm) cleat line through it. I'll post a pic...

Super neat and tidy, hardly weighs anything.


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