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#13 |
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Flyin' Around
![]() Join Date: Oct 2009
Posts: 9
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The little extra I was flying (House of Balsa) was a box built kit by someone who doesn't have a lot of airplane building experience (me). It was a lot of fun, but it turned out too heavy. I put the OS .70 Ultimate 4-stroke on the front, and it has tons of pulling power, but I had to add weight in the back with a larger battery to get the CG to come out right. I never checkec lateral balance, and that is a great idea. I will start doing that. I'm not sure what you mean by setting up my thrust? Does that mean choosing the right prop for the plane/engine combo?
I'll look for some planes that meat the wing area / weight criteria and report back. |
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#14 | ||||||||||||||||||
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Bad-ass Super Contributer!
![]() Join Date: Dec 2007
Posts: 259
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Again, I would advise not to overthink it too much and just got with a plane that looks good from you from a reputable company with a long history of satisfied customers. Enjoy what ever you choose. |
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#15 |
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Team Xtreme [Test Pilot]
![]() Join Date: Aug 2009
Location: Lahore, Pakistan
Posts: 378
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I agree, dont over think it too much, i personally think its a hobby that puts you in a state of constant learning and evolution. Good planes, bad planes and down right ugly planes will teach you, which is important.
As for the thrust, i meant the way your engine points a little to the right. and not straight and centered, most manufacturers will put in right engine thrust in the firewall, based on the recommended engine or what ever they tested the plane with. This is just a good starting point. You would need to tweak it so your rudder is not on trim. and the plane flies straight. As for the up or down thrust of the engine, there are various methods to check this. I mostly adjust it according to how the plane responds when i am hanging. You will find plenty of much more talented people then me telling you how to adjust the thrust line of your engine on the web. btw i know this might stir up a storm but flying too tail heavy doesnt really help in 3D. a good plane, with a correct setup will do 3D very well with a neutral to slightly nose heavy CG. Infact you will be able to tame it quicker. Prop to engine combination i feel is more critical when it comes to smaller glow engines. for larger engines stick to the recommended prop sizes by the manufacturer and use decent well balanced props and you wouldn't have to worry about anything there. You will enjoy what ever you choose. my two cents worth!! |
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#16 |
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Team Xtreme [Test Pilot]
![]() Join Date: Aug 2009
Location: Lahore, Pakistan
Posts: 378
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Last edited by hangingbach; 11-01-2009 at 11:52 AM. |
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#17 |
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Bad-ass Super Contributer!
![]() Join Date: Jun 2009
Posts: 622
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well check this links
www.aero-works.net www.extremeflightrc.com www.pilot-rc.com www.wildhare.com www.3dhobbyshop.com you have a lot of airframes, the AW and Wildhare Edge are great, love the color combination of the AW. Call Rocco, Dennis or Chuk at AW, they will be very happy to help you on your questions of which one to get. LET me copy a explination that i found great when i was looking my First gasser. On a topic that i posted in other forum. member gboulton(from other forum). "Your choice of airframe might just come down to some specifics of what you like in airplanes...specifics that have nothing to do with brand name, but instead are related to the airplane being modeled. By their very design (owing largely to the sweep...or lack of it...in the leading edge of the wings) the Extra and Edge have certain characteristics that differ from each other. Extras tend to be "snappers"...and I don't mean this in a bad way. They tumble with ease, start and stop snaps very crisply, cleanly, and precisely, and are widely regarded as the superior "precision aerobatics/IMAC style" airplane of the two. They do not, however, tend to be quite as stable in high alpha situations (harriers, for example), and tend to want to rock the wings a bit and fall off to one side or the other when stalled. On the flip side, Edges tend to excel at high alpha stuff. Harriers can be flown at ridiculously slow speeds, with no evident wing rock. Stalls are frequently very gentle nose-down and we're flying again events, and the airplane is very forgiving of "mistakes" in these attitudes. They also tend to be very crisp and precise in rolls. Unlike the Extra, however, snaps can be pretty sloppy, if not downright impossible to start and stop cleanly. The edcge is not an airplane that likes to tumble, and it'll whine about it if you ask it to. For this reason, it is frequently seen as a poor choice for precision routines requiring clean and precise breaks." cjcy(other forum) "As far as the difference between all the planes. A Extra 260 from one manufacture will not fly the same as another. All of our planes are "Tweaked" to some extent. I've owned or flown all the models of planes you asked about, and here is my opinion. There are several different versions of the Extra 300. I prefer the standard mid wing Extra 300 over them all. The edges are very docile and tend to be great harrier, hover, torque roll planes, but don't feel to get in a groove as good as an Extra. The planes (300's & 540T's) with larger canopy's tend to couple a little less in knife edge due to a little more equal surface area above and below the wing. The scale elevators without counterbalances seem to make a 260 not have as good of elevator authority. To me the Mid Wing Extra 300 seems to be a great platform. It tends to track very well and 3D great. But like I said earlier, Two of the same model planes from two different manufacturers will fly different depending on how they were designed."
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Aeroworks Extra 300 50cc - DLE55, 7955, Fromeco, Smartfly, 42% products, Graphtech. Aeroworks Edge 540T - .81 O.S. Alpha, 3305 3DHS Extra - Torque 2818, Airboss 45, H65MGs Futaba 10CG , Hangtimes 2000mah pack. www.valleyviewrc.com www.aero-works.net www.3dhobbyshop.com "Every landing is a controlled crash" by S.S. Last edited by f5air; 11-01-2009 at 09:00 PM. |
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