Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

4c Dago Red

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Old 05-10-2007, 03:33 PM
  #1  
Destiny-RCU
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Default 4c Dago Red

I was doing some searching trying to get an idea to make a fast P-51 combination. The Dago Red seems to be a good platform for this since I don't like belly landers.
Anywhoo, I found a thread from a good while ago about using the WM Dago Red with a YS 110 and supposedly fits inside the cowl nice inverted w/ 13x12 prop running 45% nitro...130-140MPH set up "he says". Obviously with a properly set up plane (flutter)

I really like the idea! does that motor req. mods to run 45% nitro? does this seem realistic? If it is that would be the fastest Mustang at my field...
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Old 05-10-2007, 08:09 PM
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rmenke
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Default RE: 4c Dago Red

Destiny: That sounds about right for the guys racing around Sacramento, Ca. They have these things going like crazy and have a lot of R&D into their birds. If you want to build one, be prepaired to learn to do some engine mintenance as they turn them around 12k plus, a little hard on a 4 banger. I have been tempted, but remain a Jett 60LX fan. Why go through the grief with a 4 stroke when you have this engine available at about the same price that will flat smoke any of the 4 bangers out there IMHO. They are built for high rpm's and thrive on them. You are to break them in at 17,000 MINIMUMN. Does that give you a clue. Mine turns a 8.80 X 8.75 close to 20K and is quite happy doing it, then you idle down and land like a normal airplane, best of both worlds for me. ENJOY
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Old 05-10-2007, 08:21 PM
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Default RE: 4c Dago Red

Well from the reading i've done, "they say" the 4 is actually faster in a warbird style plane with a lot of drag. And a 2 stroke is more suited for a sleeker plane that can unload in the air.

I wonder if they have upgrades for the YS to handle higher rpms (stiffer springs, cam etc.)
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Old 05-10-2007, 09:23 PM
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buddude8
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Default RE: 4c Dago Red

the wm dago red was my first plane ever. I had a os61fx in it and it screamed with that engine. I had no clue about dub jett engines at that time, but i could just imagine what the 60lx would be like. If you install a 110 on the front you would have to add a ton of weight to the back. Remember this plane was just designed for a .46. Had over a 100 flights on this bird until the wings split apart on a high speed pass and pulling striaght up. Im with roger on this one. I wouldnt waste my time on the 110, but whatever floats you boat.

ken
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Old 05-10-2007, 11:28 PM
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Default RE: 4c Dago Red

Actually the YS 1.10 is the preferred engine for high speed four stroke action in
the World Models planes, especially the Dago Red.

FBD.
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Old 05-11-2007, 09:29 AM
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Default RE: 4c Dago Red

I've installed 61fx in several and also makes it a screamer.
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Old 05-11-2007, 09:29 AM
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Default RE: 4c Dago Red

Maybe I should change the question. What is the fastest combination for the WM Dago Red?
The reason I'm trying to research this is because I have some flying buds at the field I need to show up! I have a Viper w/ TTpro .40 and Jett pipe but that not comparing apples to apples the Viper's faster ( Not pylon racing) Thee fastest is a 61FX with a full pipe.....I need something faster then this guy...lol
I keep hearing about this Big 4 idea and hear they really move in this style plane. So I wanted so hear some real experience before I go spend $$$...Is the Jett 60LX able to blow that guy out of the water? or is the 4 capable?
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Old 05-11-2007, 09:18 PM
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Default RE: 4c Dago Red

Once you see a Jett engine perform, you too will be a believer!
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Old 05-12-2007, 10:08 AM
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Default RE: 4c Dago Red

The Tower .75 should blow the wings off the OS .61FX plane.

FBD.
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Old 05-14-2007, 11:21 PM
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Default RE: 4c Dago Red

Did you find the thread with the guy who used the OS-77VRDF engine and supposedly hit like 190?

I would go 4 cy. based solely on SOUND but I admit I do not know which would be faster between the Jett and the YS and big prop. We had a NASTY thread a couple years ago about this topic...[X(]

FBD's Dago has a YS-91 and flies just beautifully--
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Old 05-15-2007, 12:23 AM
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Default RE: 4c Dago Red

Thank you, Razor....

....the YS 1.10 will pull the 14-10 Zinger, whereas the old .91 only pulls the 14-8.

I think the 1.10 on 30% nitro would be hard to catch. Keep in mind, the Dago Red
is a fat plane....I just don't see the 60 two strokes doing too well. The 60's would also
need an 11 inch prop to turn any revs and try to catch the big block supercharged YS.

FBD.
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Old 05-15-2007, 10:02 AM
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Default RE: 4c Dago Red

Put a BVM-96 on there....
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Old 05-15-2007, 10:38 AM
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Default RE: 4c Dago Red

I'd put my money on the Jett .90L
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Old 05-15-2007, 10:36 PM
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Default RE: 4c Dago Red


ORIGINAL: daven

I'd put my money on the Jett .90L
....here we go again....

FBD.
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Old 05-16-2007, 08:42 PM
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Default RE: 4c Dago Red

I think those would be the 2 options to chose from. A Jett 90..Or the YS. I'm sure they would both pull the plane faster then any of the guys I know around here.
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Old 05-17-2007, 01:18 AM
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Default RE: 4c Dago Red

The Jett 90L only uses an 11-8 prop....yes, it will turn 15K. On the other
hand, the 1.10 YS will turn the 14-10 prop. The question is....will the tiny
11" prop pull the big fat Dago Red out of the corners fast enough to stay
ahead of the monster 14-10 disc on the YS....???

...good question, huh ?

FBD.
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Old 05-17-2007, 02:19 AM
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Default RE: 4c Dago Red

The "Rude Squadron" at the basin all fly those YS powered warbirds and they haul a## and are disgustingly loud to boot!
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Old 05-17-2007, 11:38 AM
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Default RE: 4c Dago Red

A lot of it would depend on if you're gonna try and turn it tight around a pylon...wouldn't it?
I think for top speed in a straight line, I would go with the Jett...and if I wanted to grunt it around in a turn, or turns, I would use the YS.

My Dago with the mod. Webra .50 surprises a lot of people...especially me...with it's more than respectable top speed, but it looses a lot of it when I bank and yank and the acceleration off a tight turn suffers from that.
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Old 05-17-2007, 11:49 AM
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Default RE: 4c Dago Red

I had the Dago with a Saito 91 and wasn't impressed with top end. Was running a 12x8 APC, 30% nitro. Looked nice in the air, but constantly bent the chinzy retracts just enough so they would not retract. That plane got sold.
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Old 05-21-2007, 08:21 PM
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Default RE: 4c Dago Red

I've got a Dago with a Y.S. 91, and a Cermark F-20 with a Jett 90. The Dago blows the doors off the F-20. Trust me get the Dago and put a Y.S. in it.
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Old 05-21-2007, 09:08 PM
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Default RE: 4c Dago Red

J.V. ....do you have the 60 size Cermark F-20....or the Jett 90 in the 40 size plane ?

FBD.
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Old 05-21-2007, 09:34 PM
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Default RE: 4c Dago Red

It would just seem like the YS would outperform in this situation. But I have never seen a 4 stoke do anything that I would call fast. Also I have never seen one in a plane with the idea to go fast.
But that is what makes this idea so cool is not many people around here have anything like this.

ORIGINAL: Flyboy Dave

The Jett 90L only uses an 11-8 prop....yes, it will turn 15K. On the other
hand, the 1.10 YS will turn the 14-10 prop. The question is....will the tiny
11" prop pull the big fat Dago Red out of the corners fast enough to stay
ahead of the monster 14-10 disc on the YS....???

...good question, huh ?

FBD.
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Old 05-21-2007, 11:05 PM
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Default RE: 4c Dago Red

I would go 2 stroke, set the plane up clean as possible, the guys at our field that run the YS engines spend alot on hi nitro fuel and the frequent YS $150 tune up, not to mention standing around scratching their heads saying what could be wrong with it now? I just change glow plugs and wipe the oil off the pipe on the 2 strokes. The 4 strokes don't hold up well in the crash test either.
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Old 05-21-2007, 11:45 PM
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Default RE: 4c Dago Red

Hey Capt. B How's it goin'?

I took the belly "scoop" off of mine, and made a fairing to blend in the resultant 5/8" step that was left down there...and I made the chin cooling opening right under the spinner smaller (closed off either side so that the opening is only about 1 sq. in. with a radiused lip around the edges )
I also put air directing baffles inside the cowl to make more efficient use of the air that actually does get in there...

I am thinking about gear doors, but we fly off grass, and the two don't really go together.
Maybe a set of clam shells like the full scale P-51 uses? Hmmm...but then ya have either another servo just to operate them, or a linkage that can "mess" up...(nah...)

We have "gunned" it at 127 comming right at the radar gun...
Not bad for a Webra .50 huh!? (a Webra .50 with a worked-on sleeve/piston/crank/and case and U-T muffler )
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Old 05-22-2007, 08:33 AM
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Default RE: 4c Dago Red

Doesn't that now turn it into an instant "Stiletto?"
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