Wish I was a part of your group, but it will be great to meet everyone at Chino. Larry Bell
On Thu, Aug 28, 2014 at 8:11 PM, Mark Langford via KRnet < krnet at list.krnet.org> wrote: > NetHeads, > > Over the last few days and weeks, I've been doing trial runs in N891JF, > getting ready for the trip to Chino. I needed to calibrate the fuel > consumption displayed by the MGL Explorer, calibrate the airspeed > indicator, and make sure I could survive three hours in that awful sling > seat without my back seizing up, among other things, so I flew up to > Kentucky and back in about 2.5 hours. The "mission" was a complete > success, yielding a minor tweak to both totalizer and IAS factors. One > neat thing about electronic instruments is you can adjust out most > inaccuracies caused by off-nominal sensors, peculiarities of static/pitot > systems...that kind of thing. > > My main goal was to do a long-distance run at a steady-state fuel burn > rate that would yield something in the neighborhood of 145 mph IAS, and > quantify the fuel burn rate, engine RPM, and other engine parameters, so I > could validate the flight planning. I've discovered that 150 mph TAS is > easy enough to maintain at 7500 > density altitude, while getting well under 4 gallons per hour, which is > around 40 miles per gallon. More totalizer calibration on the long trip to > Chino will refine this some more though. And since the Explorer shows true > airspeed and density altitude all the time (no need to estimate in my head > anymore), I took it up to 7500' density altitude to do a wide open "cruise > speed" test, which turned out to be 163 mph. Not bad on a 2180 cc VW > engine! > > I finally got around to installing the interior, and what a difference > some padding on the sling seat and plywood seatback makes! It's also nice > to have pockets in the side panels to put headset batteries, sunglasses, > pencils, etc. > > If all goes well, Joe Horton will drop in Wednesday afternoon, and we'll > take off early Thursday for Las Alamos to meet up with Jeff Scott, Rob > Schmitt, Terry Chizek, and hopefully Marty Roberts (flying a Luscombe) and > Larry Flesner. We'll fly to Chino together with Jeff Friday morning, and > others are welcome to join us. Keep your fingers crossed for good weather. > If we were leaving tomorrow, weather would be quite favorable, I think. > > 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 >
