K..your inspector may have some time but is not a proficient pilot..and indications are he is a poor inspector..take heart and forget him..bob..4200inst in T-6..usaf test.14000tt..
Kogelmann Christian - OS ETA wrote: > > I thought I share the final authority check on my KR-2S/GPAS2180 plans > build, taildragger, but with belly board. > > After the paperwork check the inspector wanted to fly. It should be the > inspectors first flight in KR. > I wasn't keen on letting the inspector fly, but he insisted as he had more > than 1000 flight hours on 80 different types including taildragger (PA18 I > found out later). Pilot in command was the authority guy and I was the > shivering passenger... > > The airplane has 37:18 flighthours and 215 landings so far and here is the > (problem-)report issued by our experienced pilot: > > Take off: > take off roll was initially stable once the tail was off the ground at about > 30kts the airplane veered to the right. > We departed the runway at about 40 knots to the right and into 2in of slushy > snow. > However the airplane still accelerated and he yanked it of the soft ground > at 50kts. > The inspector was upset with the aircraft and recommended to "do something" > with the ground handling. > > The flight: > -)we did some normal stalls at around 46kts-ok > -)we did stalls at 45° bank angle - scary but ok you can still hold > direction and the airplane does not fall on its back > -)we did slips - all ok and maneuverable > -)flat turns - ok > -)directional stability - ok > -)static longitudinal stability - trimmed to 90kts and moving the stick and > let go will decelerate or accelerate the airplane to destruction - > conclusion unstable - not ok > -)dynamic longitudinal stability - trimmed to 100kts moving the stick 2in > forward and 2in aft and then let go will induce > increasing up-down motion with the stick moving after the 3rd motion into > full down and you end up with negative G (oil pressure light came on and > everything not tied down flew up) > not acceptable - unstable > otherwise the inspector was impressed by the performance of the little bird. > He recommended to install a elevator spring to stabilize the stick and > therefore stabilizing the plane. > > After we finished our program we dove under the clouds, and the countryside > covered with white snow looked the same everywhere we looked...it took us 15 > minutes of finding the 655m long asphalt runway in amidst off all the white > surfaces. > > Landing: > I told him that I do long stabilized approaches at "exactly!!" 70kts and > between 1800 and 2000 RPM. > He did a short approach between 70 and 80kts. > Flare was very high as he is not used to a very low KR. > We bounced 3 times and went all over the place with the left gear ending on > the left outer barrier of the runway and the airplane slid sideways. And > stopped without a full ground loop (I guess it was a half loop) > > His comment - I guess we did not break it....and think about improving the > ground handling characteristics > I was mad, under shock and my mouth was extremely dry and I did not get > final certification as I need to sort out the longitudinal stability issue > eg. installing a Spring loaded stick. > > My conclusion, after my training with a former Air Force pilot for about 70 > landings I am halfway capable of landing the little bird on my 655m (approx > 1900ft) home airport. My landings are (please don't flame me) 3 pointers or > something similar > and I (120 flight hours experience + glider time) would have done a better > job than my professional inspector. > However the belly board is a huge improvement when landing on a short strip > 655x30m (1900x90) its worth its weight in gold. > > I hope I didn't bore you too much but it shows if you don't know the plane > you can have all sorts of take off and landing problems in what the > inspector called "Giftnudel"-KR. > > Cheers > Christian > OE-VPD > http://www.members.aon.at/oevpd > > _______________________________________ > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html
