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The pumps are easily worth it. It’s so much better than inflating a boat manually. Plus they are great for filling air mattresses, inflatable life jackets, and helping campfires. I’m honestly surprised they aren’t just standard kit with these boats.

Yes, the valve used for the seat.

It would be interesting if your design could be modified in a way that would be workable for both the Boston Valve and these seat valves.

Carrying multiple adapters isn’t practical when using these boats for something like portage backpacking. Too easy to lose small accessories.

I bet a similar design without…[Read more]

Are you talking about the backrest/seat tube-style valves or the little red tab-open valves that you see on camping pillows?

This doesn’t work with the tube-style valves because the pins get in the way; I haven’t tried the other ones, but I suspect it might work if you don’t mind where the pins end up on the other side. The one caveat is that the…[Read more]

You maybe could add some sort of foam balls or something like that to inflate and then deflate so that they conform to your foot spot. I’ve got Jackson happy feet in my ww kayak with this. Most have mixed feelings about it, but I love the way it conforms to my feet in my kayak.

The pictures were helpful. Yes, I’ll look into that.

Question. Have you tried to see if this adapter works with the smaller inflation valves Matt sells? Currently, I have one of the white adapters that came with the Flextail pump epoxy’d on permanently. It fits loosely over the valve’s head but is sufficient to get these smaller objects filled…[Read more]

Yes, I’ve tried the smaller design just inflated. It was Alpacka’s offering that made me confident an inflated footrest would work. I filled the bag as full as possible without using a mechanical pump. The issue is that your feet don’t apply even pressure on the footrest when paddling. It only felt solid once you added an object and pushed out all…[Read more]

I see now. It’s the floor separating from the tube fabric. I’ll try flipping it over tonight and ironing from the bottom up with parchment paper.

Hmm, that’s unusual… I’ve actually never seen that before. Could you send me some pictures from the inside of the cockpit, and maybe take one or two shots through the valve opening so I can see where tubes 4L and 4R are attached to the floor (if possible)? It does look like something might be separating there, but I can’t tell why. Can you see…[Read more]

Very cool! I was thinking about foot rests just before you posted this, because I’m testing out a new seat, somewhat similar to yours. The footrest looks like a great design. I’m curious if you’ve tried using it without stuff inside it, just inflated – you mentioned that the larger one felt like pressing against a balloon, but I wonder if this one…[Read more]

Great to know! Thanks for the update.

Very cool! I should really get one of those pumps… and a 3D printer! I’m seeing some great ideas lately.

Tested and it works well!

The pump is definitely not strong enough, and this makes it go faster I think – so both. Feel free to make a new forum post with the link!

Emails went to my spam folder :facepalm:

@UncleFred, I did print out a prototype and test it – it fits perfectly into the pump and is a tight fit on the valve as well. I messed up on the pins by heating the whole adapter at once  with a hair dryer, which caused a couple of the holes to close up. This messed up the insertion of the rest of the pins. See photos.

I fixed the design to…[Read more]

Krafter, have you made any of these adapters and tested them? I want this!

To answer Matt’s question: For my version which is the max pump, no. The pump is not powerful enough to push air through the check valve.

An attachment like this would be a huge godsend. Krafter, If you’ve printed out any of these, I’d happily pay for one as I don’t have…[Read more]

What a cool idea! Thanks for sharing. This might deserve to be a whole forum topic on its own.

It’s an interesting idea to use prongs to hold the check valve open – is the pump not strong enough to pump air through the valve, or does it just work faster that way?