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What's the difference??? Edge, Extra, Yak?

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Old 08-24-2006 | 09:26 PM
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Default What's the difference??? Edge, Extra, Yak?

This is an education question for you aircraft experts. I just bought a Seagull Edge 540 60.

In researching this plane it was hard to tell the difference between an Edge and a Extra???? Also what do the numbers mean? Whats the difference between an Edge or Extra 260, 330, 300 or 540???? I know it's not size since I have seen all sizes of each aircraft. Also, how do these aircraft differ from a Sukoi, Yak or a Cap?

Thanks for the education..

Tom
Old 08-24-2006 | 10:52 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

Extra No.'s are the engines hp.
Since you've researched the planes, you noticed the rudder area difference, elevator area and the wing shape / location difference.
Old 08-27-2007 | 12:25 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

extras have a tapered leading edge as far as the numbers they mean the modle for the airplane but a 260 the wing and the horizonal are in a straight line were a 300 and a 330 the horizonal is higher than tha wing in real life i think there are only 2 260's and i think only a few 330 bit alot of 300 the edge 540 i don't know much about except the leading edge of the wing is a straight line making the plane not want to stall very eazy that makes it a great 3d plane but not good for imac
a cap is a low wing plane same wing as an extra but tends to be snappy unless the cg is perfect and there set up right also another great 3d plane
and in my oppion yaks and sukois suck i just don't like the way they look
Old 08-27-2007 | 10:09 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

Extra: Origin is German by a man named Walter Extra. The number is the model and if it has a modifier that is a special version such as the 300S and 300L (two seat version) 260 is mid winged and now favored by many modelers because it has the thrust line, wing, and tail all near the same axis. Other variants include 300S, 300SH, 300SHP, 330, 300XS, 300L, 300LP, 300SP and 300SR.

Edge: Produced by Zivco Aeronautics. Popular models of the 540 include the 540T and 540X. Has a straight leading edge which makes it favorable for 3D because the mean aerodynamic chord (MAC as it is often abbreviated) is actually swept forward and causes a stall to begin at the root of the wing instead of at the tip. Like the Extra 260 is mid winged and has engine, wing, and tail on same axis.

Cap: French design, low wing, models often have trouble with coupling during knife edge flight.

Sukhoi: Russian design with radial engine. Used to be fairly popular in the RC world but has fallen out of favor with most manufacturers for some reason. In my opinion only, it is a beautiful design. The SU-26 model was the original single seat version. The SU-29 has two seats for aerobatic training, and the SU-31 is the top end of this design with a stronger engine and some versions having retractable landing gear. Yes, this is the same Sukhoi company that produces Russian military aircraft.

Yak: Russian manufactured by the Yakolev company (again, military origins dating back to the 40’s) Popular models include the Yak 54 and 55 with variants of both. With it’s similar layout and radial engine, Yaks are often mistaken for Sukhois. Popular with modelers for marketing reasons mostly. In 2004 Extreme Flight RC brought to market a phenomenal model of the Yak for 50cc 3D. Very light, strong, and had great flight performance, the company released only a limited number to the public because of supply problems being a new company. With a long list of customers wanting the be all end all yak from EFRC and no planes to fill orders, most other major RC companies jumped on the Yak design and sold them to hungry modelers everywhere. That combined with QQ flying a Yak in competitions continued the marketing of Yaks to the masses.
Old 08-28-2007 | 05:50 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

ORIGINAL: bobby crashes my planes

"in my oppion yaks and sukois suck i just don't like the way they look"
Just to show that opinions vary widely, I think both these airplanes are much better looking then anything Extra ever came up with. The Edge 540 is very popular with the Red Bull Racing pilots. However, this doesn't mean it is necessarily a racing machine, only. I have seen a very large Edge 540 snap roll as well as any of the airplanes mentioned. The "Snappiness" of the Cap is what makes it a very popular airplane. Of all the airplanes mentioned, I care for the Extra line the least. It's my understanding that in full scale aerobatics, the Extra has about played itself out. This is not the case with R/C.

The above, is only my opinion and some information which I have heard from others. My opinion, a buck and a quarter, buys me a nice hot cup of coffee!
Old 10-16-2007 | 10:00 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

so who's right about the extra numbers
is it the horsepower or model nimber?
Old 10-17-2007 | 06:54 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

It's mainly horsepower, but Extra also produces an Extra 400 and 500. The Extra 500, a turboprop with 450 shp, seems to follow a model number pattern. The 200, 230, 260, and 300 all seem to follow a horsepower designation, though.

www.extraaircraft.com

The Edge 540 is so named for the displacement of engine.
Old 10-18-2007 | 05:55 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

Extra also makes two place versions and the numbers describe these variations although I can't tell how.
Old 10-18-2007 | 09:53 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

The "L," as in "300L," is for low-wing, tandem seat. The "S," as in "300S," is a single-seat version with more of a mid-wing. The "300SP" and "LP" are their latest versions; they include upgrades (like carbon-fiber cowlings) that saved about 30 pounds from the "300S/L."

-Clint
Old 01-09-2008 | 12:50 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

Here are the Wikipedia links that will answer your original question best.

http://en.wikipedia.org/wiki/Walter_Extra
http://en.wikipedia.org/wiki/Zivko_Edge_540
http://en.wikipedia.org/wiki/Yakovlev_Yak-54
http://en.wikipedia.org/wiki/Sukhoi_Su-26
http://en.wikipedia.org/wiki/CAP_Aviation_CAP-232

Aerosman
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Old 10-13-2009 | 12:24 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

hello all, <div>
</div><div>Talkin about RC planes....what one is the easiest and the hardest to fly?</div>
Old 10-13-2009 | 01:15 PM
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Default RE: What's the difference??? Edge, Extra, Yak?


ORIGINAL: andrebiasoli

hello all, <div>
</div><div>Talkin about RC planes....what one is the easiest and the hardest to fly?</div>
That's kinda up to the pilot and how each plane is set up and balanced. I haven't seen a lot of difference flying the planes when I set them up for myself but flying someone elses plane is usually a bit different. I do have an old CAP made from a kit that was cut in Mexico years ago, an 80 inch wing, the plane takes off and will fly like any of them but if you fly too slow on landing it can snap on you without any warning. That could be the set up though? Maybe just a bit tail heavy. The planes like the YAK 54 with the wing and stab in line seem to handle a bit better then my Extra 300L models. It may be the P-factor on the controls? I like Extras and the 260 I had was one of my better flying planes. I also like the Sukhois and my scratch built 29 was outstanding. It's one of those pilots choice things, none of them seem to be any harder to fly then any other.
Old 10-13-2009 | 10:53 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

ORIGINAL: andrebiasoli

hello all, <div>
</div><div>Talkin about RC planes....what one is the easiest and the hardest to fly?</div>

I've had several different sizes of these aerobats.. In general, and my experience, I'd have to say the Extra's were the easiest. I've had 3 sizes ranging from .40size up to 50cc, and each one seemed more stable then all the rest.

Then come the Edge's.. of which I've had 3 of those.. ranging in size from about 200watt electric, up to 1.80 size...These planes are just a bit different then the Extra's in general.. where the Extra was like a race car stuck to the road carving a track.. The Edge on the other hand is more like a dirt racer overcoming terrain.. it just seems "looser".. not quite as hooked up in flight.. which allows for a bit more hot-dogging(so to speak)...put a different way.. the Edge is more "slippery" in manuevers... which is actually really cool.

The Sukhoi's... wow.. I've had 2 of those.. a .40 size that was a very lively little tiger..short coupled and squirlley.. just a little hand-ful until you figured out it's combo... then I had a 1.20 size that was more of a *****-cat... but still didn't have any of the better traits of an Extra or an Edge.. I just don't think the Sukhoi ended up being as nice in model form as some would have liked.. and there's evidence of that in the fact that there doesn't seem to be nearly as many company's with Sukhoi's.... large or small..

I personally fell in love with the Extra aircraft when I saw them coming out in early/mid 90's.. and they not only look great.. the things fly incredibly well.. every one I own. The Edge runs a very close second though.. very close. Its just a matter of my mood when choosing one to fly.
Old 10-13-2009 | 11:45 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

Remember. These models only generally resemble the full scale aircraft they are modelled after. There are many, many differences between the full scale and model examples and even between the different brands/sizes of the same named plane. It would be difficult to state catagorically that all models looking like a Yak 54 would 'fly better than' all models looking like an Extra or Edge or Sukhoi or whatever.

Terry in LP
Old 10-13-2009 | 11:46 PM
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Default RE: What's the difference??? Edge, Extra, Yak?


ORIGINAL: Lomcevak Duck

Extra: Origin is German by a man named Walter Extra. The number is the model and if it has a modifier that is a special version such as the 300S and 300L (two seat version) 260 is mid winged and now favored by many modelers because it has the thrust line, wing, and tail all near the same axis. Other variants include 300S, 300SH, 300SHP, 330, 300XS, 300L, 300LP, 300SP and 300SR.

Edge: Produced by Zivco Aeronautics. Popular models of the 540 include the 540T and 540X. Has a straight leading edge which makes it favorable for 3D because the mean aerodynamic chord (MAC as it is often abbreviated) is actually swept forward and causes a stall to begin at the root of the wing instead of at the tip. Like the Extra 260 is mid winged and has engine, wing, and tail on same axis.

Cap: French design, low wing, models often have trouble with coupling during knife edge flight.

Sukhoi: Russian design with radial engine. Used to be fairly popular in the RC world but has fallen out of favor with most manufacturers for some reason. In my opinion only, it is a beautiful design. The SU-26 model was the original single seat version. The SU-29 has two seats for aerobatic training, and the SU-31 is the top end of this design with a stronger engine and some versions having retractable landing gear. Yes, this is the same Sukhoi company that produces Russian military aircraft.

Yak: Russian manufactured by the Yakolev company (again, military origins dating back to the 40&rsquo;s) Popular models include the Yak 54 and 55 with variants of both. With it&rsquo;s similar layout and radial engine, Yaks are often mistaken for Sukhois. Popular with modelers for marketing reasons mostly. In 2004 Extreme Flight RC brought to market a phenomenal model of the Yak for 50cc 3D. Very light, strong, and had great flight performance, the company released only a limited number to the public because of supply problems being a new company. With a long list of customers wanting the be all end all yak from EFRC and no planes to fill orders, most other major RC companies jumped on the Yak design and sold them to hungry modelers everywhere. That combined with QQ flying a Yak in competitions continued the marketing of Yaks to the masses.
wow realy good info....... I have an Extra en Edge of course one is nitro and other gasser but i love how slow the Edge can land due the leading edge of the wing.
Old 10-14-2009 | 04:05 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

that was really good info. Thanks guys!!
Old 10-14-2009 | 02:03 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

This is very interesting info on the history of this type of aircraft.. thanks to all that shared that. As far as flight of the RC versions.. I can only speak of my experiences with my own aircraft.. and really it is in generality, and my own personal preference. Each owners aircraft is going to be obviously different, and varied.. and that's totally cool.

I do invite anyone's opinions/experiences with thier finding on that sub-topic.. not to get off topic at all.. I think its well within the original topic.. sameness or differences in flight, one plane to the next, and experience is how we learn.

Maybe a bit of an interesting note here.. I seem to recall reading that the first series of Extra's(WalterExtra) borrowed the wing from one of the Cap aircraft.. that's a vague memory, but if anyone has insight, please share..

Somewhere I found out also.. the Midwest Extra300 and the Midwest Cap21 share an identical wing... I actually own a Midwest Extra.. and from what I can tell.. it is the same wing.. but has anyone had both, and can they confirm my suspicions?

Again, I don't mean to take this off topic at all... but these are also questions I've had about similarities/origins.. I do think I'm an UnlimitedAerobaticJunkie.. So any info is appreciated. Thx.

PS... don't forget to rate the original post... It was a very good question.. high rating in my book.
Old 10-14-2009 | 02:13 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

Tom.. how is that Edge going? That's one I've eyed now for a while. I still fly a Hanger9 Edge.. a good old plane.. Moki 1.80. It just keeps on going. One of the funnest planes I think I've had.. out of all of them.. Extra's/Sukhoi's/Edge's.. this one is the funnest. Your really going to like it. It will do anything in the book I'm sure.

The aerobats are all similar in ways.. but different in subtle ways.. but I'd have to say if there was a scale to judge fun.. the Edge would win.
Old 10-14-2009 | 03:41 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

Wow!!! This is 3+ year old post.

I now have 520 flights on the Edge with the original Saito 125 engine. I love to fly this plane. It's good at pattern and acrobatic flying, although, no the best at either. I did win a Senior Pattern Novice contest in 2008. I have since had a AeroWorks Yak that I felt was no better than the Seagull Edge although it cost twice as much. I lost it in the Sun and did a perfect nose plant on the runway. I replaced it with a Great Planes Venus II which is a real pattern plane.
Old 10-14-2009 | 04:01 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

So was there any substancial difference between the Edge and the Yak..? other then price... LOL ..

I've never owned a Yak.. I think it might have to grow on me first.. I do have an EFlite QQ Yak54-3D foamy.. which is nice, but fit for another thread..

What was it that made you decide on the Yak..? as that does seem like a widely replicated plane by many companies in todays market.... do they fly that extremely well?
Old 12-24-2009 | 02:29 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

Good post
Old 12-24-2009 | 02:41 AM
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Default RE: What's the difference??? Edge, Extra, Yak?

Quique's Yaks (QQ) were his own modified design; they should fly better (at least according to him) than a typical RC Yak. I believe two of the major changes were overall length (longer tail moment) and an adjusted wing height.
Old 12-28-2009 | 06:32 PM
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Default RE: What's the difference??? Edge, Extra, Yak?

My 2 favourites are the edge and the extra 260, I like the edge for imac work, set up right it tracks like its on rails, and move cog back for 3D its very lively indeed. the extra 260 is also good all round plane, again, as with any airframe, how it flkies will greatly depend on how well its set-up and where you have the cog.
Old 12-29-2009 | 03:18 AM
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Default RE: What's the difference??? Edge, Extra, Yak?


ORIGINAL: gaRCfield

Quique's Yaks (QQ) were his own modified design; they should fly better (at least according to him) than a typical RC Yak. I believe two of the major changes were overall length (longer tail moment) and an adjusted wing height.

Hey Joe; He also modified the horizontal stab vertical position (more aligned to the longitudinal axis of the plane), wingfoil (replaced the "fat leading edge" with a laminar type one) and rudder surface (enlarged).
Aerodynamically speaking, the modifications he made gave the plane better capabilities for pattern alike maneuvering, something harder (but not impossible) with the previous configuration.
Cheers
Guille

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