The reasons for this change:
1. Better steering response because of higher pressure at the bow. The higher pressure is created by sitting more to the front which is not possible with the inflatable backrest from Alpacka.
2. Higher comfort because you don’t touch the hard edge on the back of the cockpit anymore.
The new backrest weights 260 grams, the original inflatable backrest from Alpacka weights 54 grams.
We bought the base of this kayak backrest at Decathlon. We removed the bottom seat and used a soldering iron on the backrest. The result:
The included attachments don’t fit the packraft. We’ve sawed off the buckles and replaced them with short straps. The straps will be connected to the thigh-straps in the packraft:
The backrest tends to slip down during rafting. To counter this, we’ve added a ring to the bottom of the backrest. A short rope pulls this up in the packraft. Two photographs say more than explaining by words: