does that engine on the left have a fart can muffler? On cars its 50 free horsepower but on diesel engines it must be off the chart.
Synthetic fly tying fibers work well too and they are available in a wide assortment of colors so you dont need to spray paint, just add foam.
With the addition of the LED and resistor, is the shell now not removeable? This is a fabulous project. Looks great and well documented....
A WHOPPING THREE