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proud bird evo 46nx

Old 03-12-2014, 08:52 PM
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SIKrandall
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Default proud bird evo 46nx

Well here is what I got so far. I know the evo isn't a Jett or a Rossi but it still turns a 9x8 at a shade under 16,000. Not bad considering I've only got $90 in the motor and muffler. Originally planned was my Rossi 53 but my buddy and I made a little wager on the fastest plane with an evo 46 as he has one too. After this kicks his tail in whatever he comes up with maybe ill bolt the Rossi in.
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Old 03-13-2014, 04:34 AM
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speedracerntrixie
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Looks nice, it may actually do better with the Evo, the Rossi is going to be considerably heavier. Are you doing anything to beef up the wing center section? For the price of this airplane I may pick one up and bash it into a glow powered Rivets.
Old 03-13-2014, 07:39 AM
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Originally Posted by SIKrandall View Post
Well here is what I got so far. I know the evo isn't a Jett or a Rossi but it still turns a 9x8 at a shade under 16,000. Not bad considering I've only got $90 in the motor and muffler. Originally planned was my Rossi 53 but my buddy and I made a little wager on the fastest plane with an evo 46 as he has one too. After this kicks his tail in whatever he comes up with maybe ill bolt the Rossi in.
Nice numbers on the EVO. Do you have a weight for that engine.? I purchased a Proud Bird with the intention of installing a 32SX. The engine weighs 9.5 OZs without muffler. Performance is; 16,800 RPMs with a MAS 9x7 S2, using a red Jett muffler. No progress on the project yet, but I'm a bit concerned 'bout weight & balance. ........... George K.
Old 03-13-2014, 08:37 AM
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I believe the motor weighs a shade over 13.5 ounces w/o a muffler. Ive mocked up some old electronics shifted to the rear of it though and the cg is really really close. I cant remember how long a 32 is but I think you still have to move the firewall back. I had to move this one back 1 1/8". That rpm figure is also comfortably rich on a 9x8 apc. It peaks at 16,300-400. Im genuinely impressed with evolutions other than the cheap bearings.

As far as the center section of the wing the only beefing up I plan on doing is nice easy sweeping maneuvers lol. I dont want it to come apart but if it does......eh, start of a new project.

One other thing I was debating was an oversquare 8" prop but I think the airframe might be a tiny bit draggy for that. Ill slap one on and try it when the time comes.

One other interesting thing I noticed is the Jett/Evo blue pipe. I compared it to my red one and they are identical in every way other than color. The blue one is supposed to be tuned for a slightly lower rpm but it isn't the case with this one. I dont know if mine was supposed to be red and got done blue by mistake or what but I have a red and a blue that are totally identical.

Last edited by SIKrandall; 03-13-2014 at 08:49 AM.
Old 03-14-2014, 09:36 AM
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SIK they are tuned lower or the first ones were that I took apart. On the engines we have seen 300-400 difference at high RPM ranges from the blue to red. The blue one will allow you to pull a bigger prop. I wouldnt buy the Rossi 53 as stock it isnt much stronger than the Magnum/ASP 52's and the OS 55.

SIK hit me up in a email or give me a call. One great light engine is a Thunder tiger GP42. Now I know you say its junk but with a little work it will make the same power or more than what you get now. It turns a 9x8 at 16,500-16,800. the good ting is you can use the smaller Jett muffler for less weight and drag... ;-)
Old 03-14-2014, 11:39 AM
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I dont say anything thunder tiger is junk lol. I think they're good quality and priced right. O.S. is the one I have an issue with......but correct me if im wrong, isn't the gp 42 a bushing motor?? How's that for longevity with that kind of stress on the lil 42? I gotta run the evo in this one cause my buddy is building something similar to race me but im never opposed to trying some stuff out.

I love my Rossi 53 though. I think last time I ran it the numbers were somewhere between 15,500 & 15,700 on a 10x8 and it audibly unloads like crazy in the air.

Last edited by SIKrandall; 03-14-2014 at 11:41 AM.
Old 03-14-2014, 12:36 PM
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That's right, don't hate on the Rossi's. Mine served me well!
Old 03-14-2014, 01:44 PM
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I forget his name but the one guy on here is getting like 180mph out of a gp patriot with a Rossi and a 10x8. I had mine in a patriot for a while and if I had to guess it seen 140mph or so out of a shallow dive, but it wasn't all cleaned up like the purple one. Its currently on a direct connection tsunami and that sucker moves out too for what it is.
Old 03-14-2014, 02:47 PM
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maybe the one I saw was junk. was that on a APC prop?

I dont hate on them to much Shawn. the older ones were heavy.
if that is on a APC prop then it is inline with a stock OS 55 and magnum 52 wit ha Jett pipe.
Old 03-14-2014, 02:54 PM
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speedracerntrixie
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I have to throw out a doubt that a Patriot was doing 180. My Rossi 60 was spinning an APC 11x11 and that airplane was shy of 160. That additional 20 mph would take some serious aerodynamics or close to another hp.
Old 03-14-2014, 03:02 PM
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I love that DC Tsunami. once the guy gets back in the states I will order more of them. it is faster than the patriot.

Shawn the guy that did 180 was in a dive from way up high.
SIK most guys on here like to state a high speed number and even show a video. but once you see it is in a dive right at the radar gun lol. i have a few videos on Youtube. The GP .46 revolver I had did 145 on GPS with an OS 120 AX. great flying air plane. GPS only shows level flight speed.
Old 03-14-2014, 04:08 PM
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SIKrandall
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Im not a pylon racer though. I fully understand the mechanics of what it takes to make a plane that fast in level flight but a guy like me is fine with doing it out of a dive. In fact I actually prefer that kind of flying. I like my turns performed on the vertical with huge jet like climbs and dives. I dont have the budget to build a turbine so I have to use a little imagination.

My tsunami is done in the red white and blue scheme on the kit package it comes in and is one of my all time favorite planes but its definitely not faster than the patriot. My tsunami and patriot to the naked eye fly almost identical speed now and the patriot has an italian super tigre 45 on it with a tuned muffler.

15,500-15,700 on an apc 10x8 with the 53 and macs 7.5cc quiet. Ive never seen an O.S. put up a number like that, more in the low-mid 14,000 range, but the big difference in the Overpriced. Sh*t. and the Rossi is the way the Rossi unloads. It'll happily scream harder than the O.S. once the static load is off. The magnum is a great motor but not bullet proof and by the time you buy decent bearings and a pipe the price somewhat balances out. The Rossi isn't soooo much heavier than everything else though. Its pretty robust but that big diving high climbing style can appreciate the weight of a Rossi.

I think the guy doing 180 with a patriot thinned the wing and did all sorts of stuff. It was definitely out of a dive but pretty damn impressive none the less.

Last edited by SIKrandall; 03-14-2014 at 04:42 PM.
Old 03-14-2014, 11:07 PM
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rcguy59
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Here's mine. I did this in Jan. '13 when the airplane first came out. I used a Perf. Specialties backplate mount that just barely fit on the stock firewall. I'm getting a bit over 18000 rpm with an APC 8-8 prop. It's doing 140+ level, no dive.
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Old 03-15-2014, 06:37 AM
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SIKrandall
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When I read your thread it helped me choose the proud bird. I was originally going to try an invictus or outrageous. I still might eventually. I think I might toy around with an 8x10 on this thing eventually too but 18,000 on this 46 would chew the stock bearings to pieces.
Old 03-15-2014, 07:33 AM
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SIK I dont thin a 8x10 will give you any more speed as that plane has a bunch of drag. In a dive yes If that was me I would try to stay with 9" props a 9x9 is a great choice.
Old 03-15-2014, 11:37 AM
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SIKrandall
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My original thoughts are 9x8 was probably gonna be the optimal overall option. I agree it may be a bit draggy for an 8" screw but only way to find out for sure is try I guess. We'll see when the time comes!
Old 03-15-2014, 01:21 PM
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For going fast, horsepower is only part of it. You also need RPM. Sport engines usually aren't happy when you wind them up. The .32SX is a well-known exception. I would suggest starting with a 9-6 to 9-7 APC prop and let that Evo wind up a bit, say 16K+ rpm. The TT Pro .40's used in Quickie racing turn upwards of 17K rpm with a 9-6. Replace the stock bearings first, though.
Old 03-15-2014, 01:36 PM
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The evo is swinging a 9x8 apc right at 16,000 comfortably rich to fly. Im not ultra worried about that right now. My buddy has an evo 46 going in an unknown airframe and we have a little race staged. Later on I might throw a little hotter motor in it but the evo's imho are somewhat an exception as well. The stock bearings suck other than the early batch of 46 nt's if you can come across them. Some had "plastic" retainer from the factory. Converting one to an 46nx is a simple head change, everything else is identical.

Back when Clarence Lee tested one he gave them high praise for the aggressive timing in a sport engine. I tend to believe they unload a little better than comparable O.S. in the air. Im a fan of evo cause it is priced right and in my experience performs as well or better than should beeexpected.
Old 03-15-2014, 04:49 PM
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RPM is not everything. The muffler you have is going to work best at 16,500 to 17,000. Propping to get higher RPM then that is going to be a waste. The Macchi I raced the past 4 seasons has pretty close to the same drag profile as the Proud Bird maybe a bit more. I was running a Rossi .45 and a Nelson muffler. The best times were with an APC 9x7.5 pylon prop. This prop seems to work well in the mid 16k range I think because the blades are slightly cupped at the hub to 1/3 out. All other pylon props I tries were a waste of money. If I was running your setup That's the prop I would start with running 20/20 fuel.
Old 03-15-2014, 05:43 PM
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I will definitely experiment with prop setups. Lot of trial and error. I think I got a radar lined up for it so ill get some flat and level speeds as well as some ridiculous dive speeds lol. Might be a bit before any numbers get posted due to the fact I dont know when ill be home long enough to finish and fly it......but eventually ill get it goin.
Old 03-15-2014, 08:08 PM
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Here's mine. This was an early flight. Once I got the header shortened and got it on the pipe, it REALLY moved, then.

https://www.youtube.com/watch?v=VO8yXxLqhUg
Old 03-15-2014, 09:08 PM
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Thing definitely moves right out. That 32 pulls it with plenty of authority. I've got a Webra 32 I was thinking of mounting on mine as well but there are always more projects. I really want to do a world models outrageous. I like the look of that plane.
Old 03-24-2014, 08:25 PM
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Default Little more progress on the bird

I haven't had time to do much with this thing lately but I got a bit more finished. Looks good with all the body work on, although I had to hack up the ccowling pretty good to get a decent fit without breaking it to pieces going on.
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Old 10-04-2015, 07:34 AM
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Here is my proud bird I built two of then the first was with a Rossi .45 and tuned pipe flew great not to fast I wanted it faster so I put a webra.61 in it hualled then not sure on speed put man did she go about 40 flights in wing broke. Bought a new one and built it with the webra .61 again zipped dripped the whole plane made it a lot stronger on first flight about the three pass around the field flutter and striped the servo she went in and I have not built a new one yet one day I will again
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