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COX PICA DUALIST 40 ARF - Any one?

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Old 07-23-2006, 10:33 PM
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Isaac F
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Default COX PICA DUALIST 40 ARF - Any one?

Hey guys, Cox is selling the [link=http://www.coxmodels.com/prodinfo.asp?number=006105]PICA DUALIST 40 ARF[/link] . Have any one has thinking on getting one and installing 2 killer engines for insane speed? What you think guys?

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Old 07-23-2006, 10:51 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

How about a pair of NovaRossi rear exhaust .60's piped? Should go like a raped ape [as the saying goes].
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Old 07-23-2006, 11:55 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

....how about an arn and a leg for one !! [sm=stupid.gif]

http://www.coxmodels.com/basket.asp

....too much for me.
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Old 07-24-2006, 12:10 AM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

You read my mind! $319.99 is too EXPENSIVE![X(]

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Old 07-24-2006, 09:25 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

You can three of these (almost) for that price.

http://www2.towerhobbies.com/cgi-bin...?&I=LXJPH0&P=0

FBD.
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Old 07-24-2006, 09:33 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

ORIGINAL: Flyboy Dave
You can three of these (almost) for that price.
http://www2.towerhobbies.com/cgi-bin...?&I=LXJPH0&P=0
FBD.
OOHHH! Come on, that thing will come apart in thousand pieces when it get to warp speed with 2 Weston UK or Nelson engines

Isaac
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Old 07-24-2006, 09:44 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

I think ARFs in general are getting into the "overpriced" range. I love the Duelist, but I know I can build a better plane by getting the plans from RCStore.com, and it won't cost any 320 bucks.
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Old 01-12-2007, 12:01 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

To mustang fever:

You obviously do not take into account your time to build and cover. If you are building from plans how about the time to fabricate the parts and what about the endless trips to the hobby store to pic up hardware. I have one of these planes and they are well built and a OS46ax really makes them cook. Keep in mind a wing will only fly as fast as it is designed to fly.
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Old 01-12-2007, 12:06 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

Keep in mind a wing will only fly as fast as it is designed to fly.
Please expand on this theory.
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Old 01-12-2007, 12:29 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

Time I got. That's not really an issue. All the hardware bits and pieces I get from Tower, with free shipping, so I beat the hobby store prices by a good percentage. Most airplanes in the size range I like (40-60) are going to cost between 5 and 700 bucks no matter what I do, ARF or build, so I figure I'll take the enjoyment of building, and getting it right. I say this because I've had a number of ARFs, some really good, and some really bad. All except one had one thing in common: the landing gear installation was weak, and the glue job on the built up pieces was barely adequate. I've had enough surprises for one life.



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Old 01-12-2007, 12:43 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

ORIGINAL: HighPlains

Keep in mind a wing will only fly as fast as it is designed to fly.
Please expand on this theory.
Unless he means that thicker wings are draggier so it takes huge amounts of power to push them faster, but that is pretty intuitive. They're not boat hulls. Last I checked a wing will go as fast as you have the power to push it, until it or something else attached to it fails structurally.

I should have the chance to test that theory with a buddy's Twinstar pretty soon, with a pair of .46FX's on 9-7's, although I really doubt it will be all that fast as it's a bit on the boxy side (and butt ugly to boot..). If it hits 110 I'd be a bit surprised but we'll see. He's scared to maiden it - me I don't care, hand me the tranny and let 'er rip I say.

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Old 01-12-2007, 12:56 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

The thickness of the wing section has less to do with it's drag than the shape of the section. It might surprise many to find out that the Nemesis used a 14% airfoil, yet holds all the speed records in that class. Besides, in straight line flight, the wing contributes less to the total drag than the fuselage and tail.
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Old 01-12-2007, 01:05 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

Exactly as MJD stated but what also has to kept in mind is as the weight increases so does the wing load. Therefore at what point is more power enough, for me I want a plane that is well rounded and performs in every way I want it to, I dont want a ship that is a@@ fast and when it comes time to land the pucker factor increases. The wing will only allow so much if the plane is heavy try making a tight turn and in a twin you have more than one variable working against you already why complicate things, the nature of twins. A single engine aircraft can get away with this more because of it design.
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Old 01-12-2007, 03:31 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

ORIGINAL: HighPlains

The thickness of the wing section has less to do with it's drag than the shape of the section. It might surprise many to find out that the Nemesis used a 14% airfoil, yet holds all the speed records in that class. Besides, in straight line flight, the wing contributes less to the total drag than the fuselage and tail.
I know, I know .. thickness plays a role though, as does the airfoil for sure. My comment is of course generalized. I assumed the previous post was talking about the drag of typical thicker sport/aero airfoils to such as, oh heck, I guess NACA2415's and the like, which produce an unnecessary amount of drag at high speeds where the Cl is very low. So I think what he was trying to say was why bother trying to stuff gobs of power in a setup designed for agility and nice manners at more normal speeds.
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Old 01-13-2007, 08:47 PM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

Getting back to the topic instead of Aerodynamics 101- I do like the looks of the twin Issac-robart retracts, a couple of ST 51 with mac header pipes under each cowl would be fun-It is a beauty.
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Old 01-14-2007, 10:16 AM
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Default RE: COX PICA DUALIST 40 ARF - Any one?

ORIGINAL: Isaac F

You read my mind! $319.99 is too EXPENSIVE![X(]

Isaac

I build a Dualist from a kit many years ago.... TONS of work - lots of wood carving. Excellent flying plane when done, but a great deal of work.

The plane is a twin engine 1980 vintage pattern ship. Keep that in mind, and you will understand its capabilities and performance.

I understand Cox stayed with the original, basic design - did not deviate or cheapen the structure much at all.

Based on that anywhere around $300 is right on the money price wise.
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