Black Magic

One of the most important machines used to make Folbot kayaks is also its most mysterious.

We use a radio frequency welder to seal the sponsons, floatation bags and AirFom seats. It actually creates an airtight seal, without damaging the material it is bonding together — which makes for a stronger, long-lasting seal. The machine is an unusual looking device, to say the least.

While there are likely more modern versions of the RF welder, ours still operates using vacuum tubes and parts from another era.

Last week something went “poof” and our sponson production ground to a halt. Fortunately, we have a great relationship with a company that actually understands what all the things inside the RF device actually do — and they were able to overnight us the necessary part.

Can you tell where it fits?

Just another day at Folbot.

David A.


3 thoughts on “Black Magic

  1. Wow, that contactor must have been made in the 50s. Certainly no later than the early 60s.
    I haven’t seen a mica capacitor like that in decades.
    How old is that welder?

  2. Pingback: Yes We Have No Bananas « From the Front

  3. Hello, i read your blog from time to time and i own a similar
    one and i was just curious if you get a lot of spam comments?
    If so how do you protect against it, any plugin or anything you can recommend?

    I get so much lately it’s driving me insane so any assistance is very much appreciated.

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