View Profile: BC12D-4-85

Today, 01:52 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

Sometimes it's good to step back and fly the stock plane enough to note any changes mods later make. As built Cubs are a fine airplane...not sure of...

31 replies | 551 view(s)

Today, 01:38 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

I went from a stock PA-11 tail (unbalanced elevator) to a PA-18 stab/elevator when I installed flaps. It's heavier but I felt mo better for control...

31 replies | 551 view(s)

Today, 01:25 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

Did you make any changes to the tail...like seals or increased surface area as a companion to the slats at very slow speeds? Today we have LE...

31 replies | 551 view(s)

Today, 01:20 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

Yes Charlie others were tested before any of the other mods. I tried flat to factory (~2.5* from fuselage center; the 3/8 block technique; one rear...

31 replies | 551 view(s)

Today, 12:25 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

We've discussed this previously. My goal was stable slow flight, maximizing lift, and minimizing aileron induced wing tip stall. To test that I...

31 replies | 551 view(s)

Yesterday, 11:12 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

I've mentioned before extending the Cub's upper flap farings over the ailerons. I liked that change and had no adverse effects. Same for rubber...

31 replies | 551 view(s)

Yesterday, 12:48 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

The first link shows loss of flow behind aileron slots plus this and that about twisting and LE devices on a Taylorcraft vs stall and AOA. The second...

31 replies | 551 view(s)

Yesterday, 12:42 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

Fixed above also: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930091708.pdf The wing in question is a 23102 airfoil but the...

31 replies | 551 view(s)

Yesterday, 12:39 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

Bellanca later offered aileron and elevator gap seals to close those areas. Presumably that improved the maneuvers they promoted as a sales option in...

31 replies | 551 view(s)

Yesterday, 12:22 PM

BC12D-4-85 replied to a thread Control surface slots and seals. in Modifications

Good idea on the breakout. Oli's experiment will be fun to follow. Here's a dupe of the post on slotted flaps and ailerons so it doesn't get...

31 replies | 551 view(s)

06-18-2019, 11:33 PM

BC12D-4-85 replied to a thread Olibuilt 's New Cub project in Member Projects in Progress

More flap about flaps and ailerons: See page 27 on for a discussion: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930091708.pdf ...

522 replies | 169218 view(s)

06-18-2019, 09:07 PM

BC12D-4-85 replied to a thread Olibuilt 's New Cub project in Member Projects in Progress

On my PA-18A I attached small metal covers/seals fitted to the curve on top of the flaps over the hinge and pushrod locations. Seemed to help and...

522 replies | 169218 view(s)

06-18-2019, 01:18 PM

BC12D-4-85 replied to a thread Oops, darn it... in Cafe Supercub

https://www.asias.faa.gov/apex/f?p=100:96:13310790819641::::P96_ENTRY_DATE,P96_MAKE_NAME,P96_FATAL_FLG:18-JUN-19,AERONCA Recent local accident w/o...

1055 replies | 291730 view(s)

06-18-2019, 01:06 PM

BC12D-4-85 replied to a thread Locking a Cub in Cafe Supercub

Always slightly crack the fuel caps when parked in foreign territory. The curious tend to close them all the way afterwards. Had it happen when...

45 replies | 1782 view(s)

06-17-2019, 08:52 PM

BC12D-4-85 replied to a thread O-290 Quit on Rollout & Hard Starting in Super Cub Sick Bay

The different speeds and cutoff rise were asked of me years ago by an old time mechanic. As the carb transitions from idle to main jet flow it can...

19 replies | 1097 view(s)

06-16-2019, 10:55 PM

BC12D-4-85 replied to a thread Oops, darn it... in Cafe Supercub

The writing by Gerry Bruder in Post 1053 is very well done. The book is a reprint of an earlier version from the late '80s and reflects flying in SE...

1055 replies | 291730 view(s)

06-16-2019, 09:58 PM

BC12D-4-85 replied to a thread O-290 Quit on Rollout & Hard Starting in Super Cub Sick Bay

Did you later check the rpm rise at mixture cutoff? Try with throttle closed then in 100 rpm increments to about 1400. There's a series of bleed...

19 replies | 1097 view(s)

06-16-2019, 04:25 PM

BC12D-4-85 replied to a thread Oops, darn it... in Cafe Supercub

I'm working through this good book on float flying in SE Alaska:...

1055 replies | 291730 view(s)

06-15-2019, 09:16 PM

BC12D-4-85 replied to a thread Oops, darn it... in Cafe Supercub

One of my vessel tasks in Sitka during the 1969 herring season was to tow a herring pound net out to sea. Several large sea lions had broken in and...

1055 replies | 291730 view(s)

06-15-2019, 07:46 PM

BC12D-4-85 replied to a thread Olibuilt 's New Cub project in Member Projects in Progress

Cessnas? Who knows and there's no warranty. The Citabria and Cub I had liked it and rolled away from the spill plated flap but again it's all an...

522 replies | 169218 view(s)

06-15-2019, 06:50 PM

BC12D-4-85 replied to a thread Oops, darn it... in Cafe Supercub

Tow to sea - call military needing munitions practice - feed fish. Gary

1055 replies | 291730 view(s)

06-15-2019, 05:02 PM

BC12D-4-85 replied to a thread Olibuilt 's New Cub project in Member Projects in Progress

After you perfect your flap fairing try installing end plates on the flaps for added lift.

522 replies | 169218 view(s)

06-12-2019, 01:36 PM

BC12D-4-85 replied to a thread Oops, darn it... in Cafe Supercub

Happens. It'll be a Full Moon in a couple of days and waterskiing is fun. Gary

1055 replies | 291730 view(s)

06-10-2019, 11:15 PM

BC12D-4-85 replied to a thread Where did you fly today? in Cafe Supercub

Today with RNAV (GPS) Approaches and the right setup no need to worry. Even my Garmin 660 works good enough for that. I never cared for flying VFR on...

500 replies | 80518 view(s)

06-10-2019, 10:47 PM

BC12D-4-85 replied to a thread Where did you fly today? in Cafe Supercub

Looks good in Alaska Gordon. Like the Old Timers did just pull up the nose and then spin'er down through the undercast. Gary

500 replies | 80518 view(s)

06-07-2019, 11:35 AM

BC12D-4-85 replied to a thread Oil Leak on C85 in Super Cub Sick Bay

As noted oil free surfaces for silicone gaskets are important (they'll leak). Once they leak cleaning is necessary before retightening. Eventually...

26 replies | 938 view(s)