RE: 1st Scratch Build - Long Beach Fireboat?
Not really, ... but for easy silver soldering, I very much recommend this from ACE Hardware.
http://www.acehardwareoutlet.com/(wyivct45kd2k4wyw2mgjb045)/productDetails.aspx?SKU=24646
It comes with it's own flux, and I know several people, that struggled with silver soldering till they
tried this Alpha Metals silver solder and flux.
[8D]