Ok my mistake. My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ96ATcRFfg

Make a metal sleeve that fits over the stub with inner sleeve to guide the drill down the centerline. Progressively drill it out HF has cheap long drill bits that will dull out in seconds, or carbide

Hi Steve, That is a Dragonfly not a Quickie. Similar PLA form but way different. Regards, Charlie My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ96ATcRFfg

I like it lost 17 lbs of vacuum junk

I agree with Sam. Dissimilar electric potential between materials with an electrolyte like dirty water creates a battery. Iron besides rusting has an electronegative value of 1.8 and Al 1.613 a differ

Vern, I do not have Q plans. From the discussion I surmise an Aluminum arm is bonded to the canard and it failed in fatigue between the hinge at the huge change in stiffness where it is bonded in. Str

Vern, These center hinges have failed before. Steel is a lot better in fatigue than Al but if the inflight stress levels are close to the limit it is an insidious problem. It is obviously not a shear

When my (UN)HAPI prop hub failed in Torrance,CA I had to cut my elevators off. Bare steel and aluminum corrosion. Charlie My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ96ATcRFfg

No news here. Running an engine designed to put out a reliable 40 hp pumped to 200% duty cycle to get 60 to 70 hp decreases life and reliability. Look at HAPI 60 to 90 hp conversions, all with fatal f

Are you telling me cylinders routinely go 2000 hrs? My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ96ATcRFfg

Apples and oranges. 2000 hr TBO refers to the bottom end. Cylinders are routinely replaced many times before an “overhaul” Lots of engine failures are the result of maintenance induced failures (MIF)

Wood can only rot with the right amount of moisture. To dry or wet no rot it is biological, I do not think oiled wood promotes rot. My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ9

Pilot survives plane crash near Brooksville middle school Pilot survives plane crash near Brooksville middle school Aerial video from WFLA’s Eagle 8 HD showed the wreckage of a small airplane near Pow

Vern, I did not buy the airport! It is a municipal airport. I did buy into a hangar group. The only insurance co that would insure my Dragonfly is Avemco even with 500 hrs in type. Liability is as muc

Nice Kevin, Not my Dragonfly but I got my first camping air show in the log book this year! It’s warming up nicely,Charlie My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ96ATcRFfg

Jay.Interesting. My Dragonfly sparrow strainers are almost 2” below my elevator trailing edge and set to not exceed critical angle of a Clark type airfoil with respect to the bottom of my elevators. I

Kevin, I forgot to tell you Jon F flew in on his way to Phoenix area yesterday. We had a nice lunch an could not help discussing how nice the weather is in the area. Charlie My you tube channel https:

Kevin, It was good you could get your first flight in. I would have to go get my logbook to tell you how many flights I have gotten in 2022. We got some snow on the mountain peaks but it melted off pr

Jay, Sparrow strainers are required on my Dragonfly. Charlie My you tube channel https://www.youtube.com/channel/UCr3x6bkHUw1UUQ96ATcRFfg

Jay, Nice hinge design! Am I to understand you might have determined the elevator (airfoil) shape that would provide the same proportional down force without the local sparrow strainer drag? Busting o