Great Planes RV-4 .60
12-24-2011, 01:15 PM
#26
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RE: Great Planes RV-4 .60
here the frist thread started back in late 07 maybe the factory findly got there act togther and fixs the trouble ,
http://www.rcuniverse.com/forum/m_52..._1/key_/tm.htm
http://www.rcuniverse.com/forum/m_52..._1/key_/tm.htm
12-24-2011, 01:59 PM
#28
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RE: Great Planes RV-4 .60
About to see if modeling paint works ok, sprayed candy apple red over some of the white checkers on My white and blue checker pattern.. Hope it comes out ok.
12-24-2011, 04:03 PM
#30
RE: Great Planes RV-4 .60
You may want to rethink that engine choice. I started out with a Saito 180 on mine. After a couple of years and a hundred or so flights, I replaced the Saito with a DLE 30. The price of glow fuel was the Saito's undoing. With the DLE, the performance is unreal. It does 125-130 mph and even with the extra weight, it still flies like a dream. A couple of other guys at our field have them with OS 160's. Another great combo, but still expensive to feed. We all flog the piss out of these things and no one's had any structural problems. The covering is another story, but that's well known.
12-24-2011, 06:33 PM
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RE: Great Planes RV-4 .60
ORIGINAL: rcguy59
You may want to rethink that engine choice. I started out with a Saito 180 on mine. After a couple of years and a hundred or so flights, I replaced the Saito with a DLE 30. The price of glow fuel was the Saito's undoing. With the DLE, the performance is unreal. It does 125-130 mph and even with the extra weight, it still flies like a dream. A couple of other guys at our field have them with OS 160's. Another great combo, but still expensive to feed. We all flog the piss out of these things and no one's had any structural problems. The covering is another story, but that's well known.
You may want to rethink that engine choice. I started out with a Saito 180 on mine. After a couple of years and a hundred or so flights, I replaced the Saito with a DLE 30. The price of glow fuel was the Saito's undoing. With the DLE, the performance is unreal. It does 125-130 mph and even with the extra weight, it still flies like a dream. A couple of other guys at our field have them with OS 160's. Another great combo, but still expensive to feed. We all flog the piss out of these things and no one's had any structural problems. The covering is another story, but that's well known.
You are talking about the 60 size yes? lol..
12-24-2011, 06:59 PM
#32
RE: Great Planes RV-4 .60
It says .60-size on the box. Compare the span,area and weight to a 25% gasser. They are virtually identical. This kit(arf) flies so well, the only way to make it better is to make it faster. Though it took 90% or so power due to the 16-10 prop on the Saito 180, mine would hover. When I first set it up, I programmed "ailevators" to boost the roll rate. With enough throw, they provide adequate roll control in a hover. Not very scale-like, but it sure quiets the peanut gallery after a 125 mph inverted low pass. I've even gotten some half-assed flat-spins out of it. Lots of throw, with lots of expo to go with it and lots of power to make it happen. Now THAT'S fun!
12-25-2011, 09:01 AM
#36
RE: Great Planes RV-4 .60
I have one of these that HAD a YS91 that has been converted to an OS1.60. As soon as the wheels left the runway I knew it was something special. The YS91 was plenty of power but it doesn't bring out the full potential of the airplane. The bigger engines are a very nice upgrade if you feel the need !
12-26-2011, 11:40 AM
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RE: Great Planes RV-4 .60
To each his own guys, but there is such thing as overkill..lol.
My OS 75 is more then enough and as Ihave said Ican do any and all Aerobatics just fine and pattern fly at 1/4 or less throttle. I dont do 3D and Im sure for Prop Stands She would prob need something stronger, MAYBE, but whatever works.
Never been happier with a plane, How Ilove the zero throttle landings, like a trainer..
My OS 75 is more then enough and as Ihave said Ican do any and all Aerobatics just fine and pattern fly at 1/4 or less throttle. I dont do 3D and Im sure for Prop Stands She would prob need something stronger, MAYBE, but whatever works.
Never been happier with a plane, How Ilove the zero throttle landings, like a trainer..
12-26-2011, 12:07 PM
#40
RE: Great Planes RV-4 .60
That's the beauty of this airplane. With a 60-75 2-stroke or 91 4-stroke, it's a capable trainer/sport airplane that won't scare anyone. Stuff the cowl with some REAL horsepower and it's a high-performance rocket ship that will keep you grinning all weekend. Throttle back and it goes right back to tame again. It's the most fun I've had with a prop plane.
12-26-2011, 01:31 PM
#41
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RE: Great Planes RV-4 .60
ORIGINAL: rcguy59
That's the beauty of this airplane. With a 60-75 2-stroke or 91 4-stroke, it's a capable trainer/sport airplane that won't scare anyone. Stuff the cowl with some REAL horsepower and it's a high-performance rocket ship that will keep you grinning all weekend. Throttle back and it goes right back to tame again. It's the most fun I've had with a prop plane.
That's the beauty of this airplane. With a 60-75 2-stroke or 91 4-stroke, it's a capable trainer/sport airplane that won't scare anyone. Stuff the cowl with some REAL horsepower and it's a high-performance rocket ship that will keep you grinning all weekend. Throttle back and it goes right back to tame again. It's the most fun I've had with a prop plane.
The other plane that is the same way is the Revolver 70.
Bruce
12-27-2011, 07:47 AM
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RE: Great Planes RV-4 .60
yeah but even with my os120ax its not an over kill, flys fast with great power but not terribly over powered. i dont have unlimited verticle but it will climb a good 500Ft before it drops off. Best flying plane in my 12 plane fleet.
12-27-2011, 07:48 AM
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RE: Great Planes RV-4 .60
Revolver 70 + a 75AX = 105mph airplane flat and level at wide open throttle
Revolver 70+ a os120ax = 130mph airplane flat and level at wide open throttle
These speeds were clocked by bushnell radar doppler gun
Revolver 70+ a os120ax = 130mph airplane flat and level at wide open throttle
These speeds were clocked by bushnell radar doppler gun
12-27-2011, 11:19 AM
#46
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RE: Great Planes RV-4 .60
ORIGINAL: blhollo2
Revolver 70 + a 75AX = 105mph airplane flat and level at wide open throttle
These speeds were clocked by bushnell radar doppler gun
Revolver 70 + a 75AX = 105mph airplane flat and level at wide open throttle
These speeds were clocked by bushnell radar doppler gun
If this is true, my Revolver 70 with a 75AX is way under performing![&o]
Bruce