Nitroplanes Giles 202 & Homelite 30cc
#26
ORIGINAL: av8tor1977
Yeah, my Homelite 30 on this plane is all hopped up. Out of all my planes with large engines, it is the only one still running on pure gas; not Gas/Glow. I know a lot of guys like the 18 x 6 prop, but I usually use a 16 x 8 because I like the speed. This bird is pretty "clean" though, so it is really fast with the 16 x 8. I may try an 18 x 6 on it at some point to see if I like it. It definitely would help slow it down on landing approach.
Yep, we are back in Penasco. Do you have a website for your club, or your sales?
Ask away about the Rotax. I've sure done a lot of that. Even attended the Rotax engine school in San Francisco and became certified a few years back.
Take care,
AV8TOR
Yeah, my Homelite 30 on this plane is all hopped up. Out of all my planes with large engines, it is the only one still running on pure gas; not Gas/Glow. I know a lot of guys like the 18 x 6 prop, but I usually use a 16 x 8 because I like the speed. This bird is pretty "clean" though, so it is really fast with the 16 x 8. I may try an 18 x 6 on it at some point to see if I like it. It definitely would help slow it down on landing approach.
Yep, we are back in Penasco. Do you have a website for your club, or your sales?
Ask away about the Rotax. I've sure done a lot of that. Even attended the Rotax engine school in San Francisco and became certified a few years back.
Take care,
AV8TOR
#28

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Joined: Mar 2004
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From: Woodland,
CA
Well my Tiger Moth arrived yesterday.
It was packaged well and looks pretty nice.
I got the silver one instead of the yellow one.
I'm thinking about Army Air-Core emblems instead of the British markings.
You said you are running a Ryobi under the cowl. Is that with the mag?
And how does it balance? Did you have to add any weight?
Did you make servo trays for the top wing when you added servos there also?
The instructions are very skimpy. They don't even show how the top and bottom alierons are hooked together.
I would love a copy of your instructions, if I may.
Thank You
It was packaged well and looks pretty nice.
I got the silver one instead of the yellow one.
I'm thinking about Army Air-Core emblems instead of the British markings.
You said you are running a Ryobi under the cowl. Is that with the mag?
And how does it balance? Did you have to add any weight?
Did you make servo trays for the top wing when you added servos there also?
The instructions are very skimpy. They don't even show how the top and bottom alierons are hooked together.
I would love a copy of your instructions, if I may.
Thank You
#29
Thread Starter

My Feedback: (6)
Hi,
The Ryobi in mine is running on Gas/Glow. No magneto nor ignition system. I had to bolt a lead weight on the engine to get it to balance.
Mine came with only two ailerons. I modified the top wing and put in ailerons and slaved them with a rod to the bottom, original ailerons.
Hmm, I am not at home to access my set of instructions for you, and won't be for several weeks. Sorry.
AV8TOR
The Ryobi in mine is running on Gas/Glow. No magneto nor ignition system. I had to bolt a lead weight on the engine to get it to balance.
Mine came with only two ailerons. I modified the top wing and put in ailerons and slaved them with a rod to the bottom, original ailerons.
Hmm, I am not at home to access my set of instructions for you, and won't be for several weeks. Sorry.
AV8TOR
#30
ORIGINAL: av8tor1977
Yeah, my Homelite 30 on this plane is all hopped up. Out of all my planes with large engines, it is the only one still running on pure gas; not Gas/Glow. I know a lot of guys like the 18 x 6 prop, but I usually use a 16 x 8 because I like the speed. This bird is pretty "clean" though, so it is really fast with the 16 x 8. I may try an 18 x 6 on it at some point to see if I like it. It definitely would help slow it down on landing approach.
Take care,
AV8TOR
Yeah, my Homelite 30 on this plane is all hopped up. Out of all my planes with large engines, it is the only one still running on pure gas; not Gas/Glow. I know a lot of guys like the 18 x 6 prop, but I usually use a 16 x 8 because I like the speed. This bird is pretty "clean" though, so it is really fast with the 16 x 8. I may try an 18 x 6 on it at some point to see if I like it. It definitely would help slow it down on landing approach.
Take care,
AV8TOR
#32

Joined: Nov 2005
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From: Findlay,
OH
av8tor1977 I have been working with the 25CC Homelite and have finally got it settled in. Thanks for all the info with many of the problems I've run up on.
With the 30CC what did you do with the modifications. Please explain what you were trying to acclomplish and why. When you degreed the motor what kind of specs did you get? What did you change? I have one and it seems heavy, did you lighten it any way? Did you make the parts needed or buy them? thanks
With the 30CC what did you do with the modifications. Please explain what you were trying to acclomplish and why. When you degreed the motor what kind of specs did you get? What did you change? I have one and it seems heavy, did you lighten it any way? Did you make the parts needed or buy them? thanks
#33
Thread Starter

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Oh man, I built my 30cc hot rod that's in my Giles years ago. Don't really remember all the specs. I know I have them written down somewhere...
Found them (in another post from 4 years ago):
Homelite 30cc
Weight with muffler - 2 lbs. 14 oz. (More cutting/grinding on this one than my Homey 25cc)
Muffler - Stock, square, gutted, with two brass 1/2" i.d. outlets added.
Carb - 11mm Walbro, manifold ported to match, external pulse line.
Ignition - CH Ignitions electronic set at about 26 degrees presently.
Cylinder - Quench or Squish band removed, cylinder to head clearance set at .020"
Port timing - Exhaust 165 degrees, Intake 148 degrees, Transfers 120 degrees (22 degrees blowdown)
Rings - Frank Bowman
Crankcase- stuffed to .020" crankpin clearance
RPM - APC 16 x 8 = 9400 (Possibly more with tuning and more run time. Also, with this port timing, a tuned pipe would probably give 800 to 1000 more.)
Test conditions - 4200 feet altitude, temperature 78 degrees, barometric pressure 29.75"
It's a fun little engine and I like it. I get similar performance at a lighter weight from my Echo engines, but I like this one just the same.
AV8TOR
Found them (in another post from 4 years ago):
Homelite 30cc
Weight with muffler - 2 lbs. 14 oz. (More cutting/grinding on this one than my Homey 25cc)
Muffler - Stock, square, gutted, with two brass 1/2" i.d. outlets added.
Carb - 11mm Walbro, manifold ported to match, external pulse line.
Ignition - CH Ignitions electronic set at about 26 degrees presently.
Cylinder - Quench or Squish band removed, cylinder to head clearance set at .020"
Port timing - Exhaust 165 degrees, Intake 148 degrees, Transfers 120 degrees (22 degrees blowdown)
Rings - Frank Bowman
Crankcase- stuffed to .020" crankpin clearance
RPM - APC 16 x 8 = 9400 (Possibly more with tuning and more run time. Also, with this port timing, a tuned pipe would probably give 800 to 1000 more.)
Test conditions - 4200 feet altitude, temperature 78 degrees, barometric pressure 29.75"
It's a fun little engine and I like it. I get similar performance at a lighter weight from my Echo engines, but I like this one just the same.
AV8TOR
#35
Thread Starter

My Feedback: (6)
Here's another one of my posts with specific info about some Homelite 25cc mods that you might find interesting:
http://www.rcuniverse.com/forum/m_26...tm.htm#5736440
(Go to the first post in that thread.)
It also mentions one way of cutting the squish band out. Other ways are with flycutters, a lathe, etc.
AV8TOR
http://www.rcuniverse.com/forum/m_26...tm.htm#5736440
(Go to the first post in that thread.)
It also mentions one way of cutting the squish band out. Other ways are with flycutters, a lathe, etc.
AV8TOR



