I looked at the URL clip. Complicated stuff. It does not mention how thick a
copper layer can be deposited using such electrodeless procedure. Any idea?
Mechanically strong enough for a combustion chamber?John------ Origineel
bericht------Van: Norman YarvinDatum: za, 13 jul. 2019 21:21Naar:
arocket@xxxxxxxxxxxxx;CC: Onderwerp:[AR] Re: Electroforming ExperimentOn Sat,
Jul 13, 2019 at 06:50:19AM -0700, Ed LeBouthillier wrote:>The largest benefit
of this approach is the elimination of the minimum>gauge issue. As shown,
making a 0.0025" thick shell is trivial. So, for>example, a low pressure
propellant tank which needs to be 0.005" thick>(say in nickel instead of
copper) is quite feasible.Minimum gauge issues don't end with fabrication,
though; 0.005" ispretty flimsy and floppy, the latter perhaps being more
important.Many an engineering design has looked good when analyzed at
zerofrequency but failed due to oscillations.Besides electroplated copper, by
the way, there's also electroless
copper, which is better at plating the inside of cavities (which
inelectroplating are farther away from the anode and thus plate moreslowly).
There's a DIY recipe at:https://www.youtube.com/watch?v=Z228xymQYho
