Thanks for the help. Sent from my iPhone
> On Jan 5, 2014, at 5:55 PM, "Mark Langford" <ml at n56ml.com> wrote: > > Dan Prichard wrote: > >> I can't find any information on width of the horizontal stabilizer when >> using the AS5048 configuration. The plans show 71" for the spar width. Has >> this been carried through to the new shape? > > I made those templates a long time ago, and I either didn't think to put the > width on them, or left it to the builder to decide. The main intent of these > templates was that anybody following the plans could substitute these airfoil > templates and make no other real changes (other than incidence) to get a > "free lunch" improvement in performance. My advice at the time was to make > the horizontal stab 7' long total, and given my N56ML experience, I still > stand by that. Widening the horizontal stab 6" on each side makes a big > improvement in pitch sensitivity. I'd also make the vertical stab and > rudder longer like N56ML. That thing slips like crazy and can handle some > hefty crosswinds. I forget exactly how much taller mine are, but probably > somewhere around 4"-6". I'll measure them next time I'm at the hangar, > probably this weekend. > > While I'm on the subject, I built my horizontal stab adjustable (on the > ground), and set it to .72 degrees. After flying it, I readjusted it to > about 1.4 degrees (doubled it by adding another 3/32" shim to the rear spar), > which was just about perfect. > > For those wondering what templates we're talking about, the link to them is > at the bottom of > http://www.krnet.org/as504x/templates.html . > > The extra thickness of this horizontal stab has another benefit...you can > mount a trim servo in the elevator. I spent most of yesterday replacing the > broken "nyrod" housing on N891JF, although I'd have just moved the trim servo > to the elevator if I'd thought it would fit. The blue plastic nyrod housing > fatigued and broke because of the flex cycles it endured as the elevator was > moved up and down. I hope I never have to do that again, but if I do, I know > how now...just grit my teeth, grind out the glass and flox around entrance > and exit, reinstall, and glop it back up with glass, flox, and micro. This > morning I sanded it down to shape and it doesn't look half bad, although I > still have some finer sanding and painting to do. Half the battle is finally > committing to do the job, and getting on with it! See > http://www.n56ml.com/n891jf/nyrod.jpg for a photo... > > Mark Langford > ML at N56ML.com > website at http://www.N56ML.com > -------------------------------------------------------- > > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options
