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FWIW Marvel's 1/2 -3/4 turn out in winter-back in summer for +50 rpm at cutoff.

Gary

A shot glass full in 5 gallons seems to work ok

Gary

There's nothing like taking a full summersault off a Beaver's wing then sucking in a thousand mosquitoes following.

Gary

Or sudden prop kickback on starting? Don't open the throttle too much and have the timing checked for too far advanced.

Gary

FWIW you are not alone in having a bad experience at Tok. Others have both before and since. Some's due to the runway crown, others from the raised runway edge in spots and the typical crosswind...

+++ on the inflight mag check. Also try applying carb heat when it stumbles - if the then richer mixture helps it might indicate if it's going lean. If it gets worse with carb heat it may be going...

Land into any wind on ice. Tires will give some sideways but a ski skeg can grab a hard rough spot and try to twist the gear even going straight ahead.

GAry

See this...see this with A&P attached...see them smile and file away your prop. Then ask why it no longer performs like new. Secret: Keep from dinging up your prop with rocks, ice, and water.
...

These long thin props get reworked as wear occurs. Eventually they reach minimum standards for size and shape - length, width, thickness, and airfoil. Not saying yours is worn out but they can get...

Best wishes for strength RV and a better New Year.

Gary

What's a typical drop test on floats involve? I read CAR3 and it lists some +% safety criteria (like +1.5-1.85) but missed the actual method of conformity.

Gary

Try some static rpm runs, climb performance, and cruise with both and let us know the results. Lots of info on either prop but rarely on the same engine. Nice Cub!

Gary

Some environmental stains can be removed with solvent > I've had some success using charcoal lighter fluid which doesn't seem to attack the Poly Tone. I had a PA-11 painted yellow that literally ate...

Any PA-11 much over 800# is fat....ok I'll say 850 to be nice. I tried to ruin one by adding extended flaps (+20#) and a PA-18 tail (way heavier than stock), and succeeded in getting it close to...

Go Back to the Future for the next big thing: https://www.supercub.org/forum/showthread.php?35321-GURNEY-FLAPS-WICKERBILLS-testing-data-and-photos

Gary

Overall it's probably is best to design like the PStol with an intermediate 'flap' between the wing and any lower element. Gradually direct the air to bend down and follow the flap's contour via any...

I wonder what would happen if they sealed the normal cove gap between the LE of the flap and wing? Force the air under the wing to mainly flow through the flap's LE slots. Some sort of sliding...

Part of earning the Rating is wearing a parachute.

Gary

A new Rating required?

Gary

Trim wheel rolled pins....first time they sheared or fell out I was near Alaska's Pt. Barrow (now Utqiagvik) on floats. Hauling some loads and lots of T/O's into small lakes. I needed them but none...

My Taylorcraft performs exactly as Dan's does on floats - C-85 Stroker and same prop dragging EDO 1320's at 2350-2400. My experience with props also dupes N1PA's. I ended up with an 8042 with the...

If the pipe that slides into another is too small and loose or deformed> enlarge or at least make it round again it with a common exhaust pipe expander tool. They are available at most auto parts...

Go look at the front of a Cessna cowl intake for a similar sized engine. They tend to do baffling well likely for a reason.

Gary

Here's an interesting comment on straightening air flow through the carb and affecting mixture distribution:

https://www.shortwingpipers.org/forum/showthread.php?5018-Carburetor-heat-box&

Gary

Maybe put a big magnet nearby? Mine had it done but not sure if its steel or other.

Edit: Steel> https://bandc.com/wp-content/uploads/2018/05/fk501_3_revE.pdf

Gary