Another Homelite 25cc success story...
06-20-2006, 05:09 PM
#1
Another Homelite 25cc success story...
Hi,
I just helped a student of mine convert a Homelite 25cc. We didn't get too carried away with this one, but here is what we did do:
Put a pin in the piston and installed a Frank Bowman ring for use with a pin.
Cut out the exhaust port bridge, but did not alter any port timing(s)
Installed the cylinder with Yamabond and no gasket to raise compression a bit
Installed an 11mm carb
Gutted the exhaust and installed two 1/2" i.d. outlets.
We did not stuff the crankcase.
We used the stock magneto, with the fins all trimmed off and rebalanced.
After only one tank of fuel, it wings an APC 15 x 8 prop at 9000 rpms. We will probably go to a 16 x 8 or a 15 x 10 prop after it breaks in a bit more and after we see how this plane flies with this prop. (He wants some speed....)
Just thought I'd let you all know what a little Homey 25 can do without getting into port timing changes, or even electronic ignition to optimize the spark timing.
AV8TOR
I just helped a student of mine convert a Homelite 25cc. We didn't get too carried away with this one, but here is what we did do:
Put a pin in the piston and installed a Frank Bowman ring for use with a pin.
Cut out the exhaust port bridge, but did not alter any port timing(s)
Installed the cylinder with Yamabond and no gasket to raise compression a bit
Installed an 11mm carb
Gutted the exhaust and installed two 1/2" i.d. outlets.
We did not stuff the crankcase.
We used the stock magneto, with the fins all trimmed off and rebalanced.
After only one tank of fuel, it wings an APC 15 x 8 prop at 9000 rpms. We will probably go to a 16 x 8 or a 15 x 10 prop after it breaks in a bit more and after we see how this plane flies with this prop. (He wants some speed....)
Just thought I'd let you all know what a little Homey 25 can do without getting into port timing changes, or even electronic ignition to optimize the spark timing.
AV8TOR
06-21-2006, 12:57 PM
#3
RE: Another Homelite 25cc success story...
Hi,
The Fokker Triplane is great! It is the Great Planes Fokker; about 60" wingspan, and it's got one of my Echo/Kioritz 23.6cc engines in it, swinging a wood 18 x 6 prop. To me, the sound is more scale than a glow four stroke, and the Echo pulls the airplane around in a decidedly "un-scale" manner. At least that's what a friend of mine said when I was wringing the plane out one day. I told him "Hey, how do you know? You weren't there in WW1..."
AV8TOR
The Fokker Triplane is great! It is the Great Planes Fokker; about 60" wingspan, and it's got one of my Echo/Kioritz 23.6cc engines in it, swinging a wood 18 x 6 prop. To me, the sound is more scale than a glow four stroke, and the Echo pulls the airplane around in a decidedly "un-scale" manner. At least that's what a friend of mine said when I was wringing the plane out one day. I told him "Hey, how do you know? You weren't there in WW1..."
AV8TOR
