stunthanger.com
Engine basics => Engine set up tips => Topic started by: Andrew Hathaway on April 28, 2006, 07:12:41 PM
-
I've had one of these since the beginning that had a bad piston/cylinder set. I never have found the parts to restore that one but after buying several more off Ebay I think I've finally got a few that should run.
Anyone that has experience with these engines want to tell me how I should set them up, and how I should run them? Props? Fuel capacity required for a typical pattern? etc...
Thanks in advance.
PS: A 19 is almost a 20... so I could use 10% nitro, 2030 muffler, APC 9x4 prop, and tach it to 11,300 rpm... Right? >:D I am just kidding.
-
I have several and a goodly stock of parts. I put one in my OT stunter (Testors Senior 29) and ran 9 X 5 and 8 X 6 wood props. Uniflow tank (home made to fit the plane) 7 1/2% nitro and 29% oin (mostly castor). K B 1L plug and 62 feet of .015 cable. E-Z Just hot rock handle. Run it in a soft two, or a hard four. Hot restarts were not much of a problem. It was just easy to flood the engine when it was hot. Then you got a load of oil in the case as the volitiles all evaporated away.
Bigiron
-
My original one was a .201, which was actually a .19, but stamped .201 on the case for "B" Free Flight use. Duke was devious.
I first flew this engine on a Ramrod 600 with a TF nylon 10-3.5 and MissleMist. I found it would climb at a rather subdued rate with this prop. Changed to a 9-4, and it really improved the climb and power pattern a lot. Later, I came onto a screaming deal on a Veco Warrior for $10, and I put the .201 on it. I knew little about stunt, but had flown a lot of combat, and knew what I wanted. Slow, steady speed. The 10-3.5 worked well, tho probably a wood version clipped a half inch would have been better. I flew it on 60' .010" solids.
It was tailheavy, and would do very sharp corners, so before long, I was doing square vertical 8's. Didn't know there was no such thing in the pattern, and really didn't care. The 3 bolt Fox .19, IMO, is the best all around engine Fox made, tho a .201 or .25 would have been just fine. I currently have one .19 in good shape that is intended for a Carl Goldberg "Cumumulus" FF gassie. Cool design....
8) Steve