I mixed equal parts a and b. Stirred and stirred until I go that sickly brown color.  Applied it around the canopy, carefully masked off. Three days and it is still kinda soft. Now what?

  I had the same problem.  Won't touch the stuff now.

  Bigiron

  That's the stuff I am currently using--- so far no problems.  but a klutz like me will probably find some method to mess it up.

  Bigiron

Ty- When you get the Super Fil, make a T shaped piece of scrap balsa and do a couple of test fillets to get a feel for this stuff. It doesn't seem to be very critical on the mix, it just changes the cure time. Working time is enought to give ample time to do your fillets. I just did the stabilizer and rudder on a T-Bird with one mix, one each mix later for each wing fillet. Follow the directions on the jar and you will do fine.
Don

I don't get why so many people have trouble with Epoxolite. The stuff is almost idiot proof, which is why I use it. I never have any problems with curing and I'm not that carefull about getting exactly equal amounts of part A & B. I smooth it with a wet finger before it cures and almost never have to touch it with sandpaper. If I do need to sand it a little, it sands well. Yes, it's harder than balsa, but softer than granite. It has good strength when cured.
I wonder if it matters what climate you're in as to the performance of the stuff?

A "tool" for fillets:  J.B Weld a few different size marbles and large ball bearings to pieces of dowel.  These work nicely to "pull" down through the joint and give a very even radius.  A *little* cap of alcohol or naptha to keep them clean and "slick".

Well,

Since we were talking about fillet material, i'll put my 2 cents worth in here.
At Lowe's the other day I noticed a two part epoxy wood filler from "Elmers"
It cost $18.00, but looks to contain enough material to do at least 3-4 airplanes.
I'll probably try it on my ized Twister when I get to that stage with it.
Super Fil sounds pretty good to.  I'll try it as well on probably the Akro.

Jim Pollock

Jim,
Her is just one of the places you can get SF. And for that price you can do a dozen planes. Also here is some Super fil facts.

http://www.sacskyranch.com/cgi-bin/sh012344.pl?REFPAGE=http%3a%2f%2fwww%2esacskyranch%2ecom%2facatalog%2findex%2ehtm&WD=super%20fil&PN=Sacramento_Sky_Ranch_Primers_151%2ehtml%23a2388#a2388

USE:

An ultra lightweight corrosion-inhibiting filler for aircraft, marine, and automotive use. Adheres to composites, bare aluminum, steel, and bare or varnished wood.

Epoxy resin with non-MDA hardener. Ships non-hazardous. Apply EP-420 Epoxy Primer directly over SuperFil.

INSTRUCTIONS:

COMPOSITE FILLING: Use as you would an epoxy micro slurry. Mix by weight for best results. Scuff-sand smooth surfaces before application. Trowel or squeegee to desired thickness. After drying, sand to shape, and finish. Works as an excellent fillet material.

BARE ALUMINUM: Scuff surface with a Scotch-Brite pad. Treat bare aluminum with E-2300 Conversion Coating prior to application. Apply EP-420 Primer directly over dried SuperFil.

BARE STEEL: Clean off all rust and oil, and wipe with C-2200 Metl-Sol.

VARNISHED OR BARE WOOD: Scuff-sand and clean as necessary. EV-400 Epoxy Varnish may be applied directly over SuperFil.

MIXING:

By Weight (preferred)
2 parts A to 1 part B
By Volume:
2 parts A to 1 part B

Thoroughly stir each individual container of part A and part B before combining. Resin or hardener can separate from fillers during storage. After combining parts A and B, scrape the sides of the mixing container to insure a thorough blend. Mix to a consistent light blue color.

CURE:

Allow to cure at 70° or above for best results. Lower temperatures will lengthen the cure time.

Dry film cure: 8 hours at 77°
Cure to sand: 12 hours at 77°

POT LIFE:

One hour at 77°

CLEAN UP:

MEK before curing occurs

SHELF LIFE:

Two years unopened. Avoid storage above 100°. Resin will separate from filler during storage. Remix thoroughly.

More microballoons. The more you put in the easier to sand. This mixture also tends to form a nice round fillet when applied but I would still advise Super Fil.