Kevin wrote:This thread can stay interesting if we continue with the mechanical part of losing weight. We as pilots all know don't eat donuts and bacon. For me I'm rebuilding my champ that my dad bought in 1961. The only thing I plan on adding over stock is a shoulder harness.
I used to build a lot of model airplanes where the motto was (to some of us anyway) "Sweat the ounces and the pounds take care of themselves"
The Champ is an excellent study. The old 65hp non electric planes have a very respectable useful load. The latest LSA version was an underwhelming success because the useful load was one average dude and a ham sandwich. If you also fuel the sandwich has to come off. A battery, starter, alternator and several feet of heavy wire are most of it. Having an electrical system opens up that other can of worms of stuff you "need".
On my Citabria I am already running a lightweight starter and alternator. Going with a lightweight battery would allow me to move it to the firewall and save several feet of heavy wire.
My Narco Mk12d was reliable until this summer when the transmit side started acting up. Out it came along with the indicator, and in place is now a Val 2000.
Ditching the carpet saves about 4 pounds (I've read). ACA sells carbon fiber floor boards for another several pounds. Aluminum landing gear is several more (but big money).
My Desser 8.50x6 tires were chosen specifically because the weight penalty was almost zero.
I would cheerfully ditch my speaker housing but have to refer to the Equipment List to see if it is required.
When it comes time to re-cover the plane I will be carefully considering the weight differences. I guess Oratex is the lightest, and expect an STC to be available by then (if it isn't already). I'll be keeping spruce spars, but will go with Rainbow Ron's version.