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RE: Nitromodels Katana 50cc build thread
Sounds good! Good luck! I hope you won't have too many problems with heavy landings. For a while I had to replace the prop after every flight because of hard landings where the prop hit the ground and broke (on my 50cc Aeroworks Extra 260)! :-) $25 a flight! When I had the Katana (the one you currently have), I had no problems with landings, it just suited me. The fun really starts when you are so comfortable flying this big plane so that you're not nervous anymore and you just fly it like it's a little foamie. I keep a log of all my flights and it took me about 60 flights between the Katana and the Extra until I got really comfortable (that was last weekend) and I did low level harriers and things like that, which I've done with foamies for over 2 years now. For a while I even hesitated to bring my big Extra to the field, because I couldn't enjoy it, but recently it's the only plane I'm taking with me, that's why I got so comfortable with it. This hobby is just awesome ... :-)
Posted on: 7/9/2010 10:03 AM by Author "cpreinfalk"
in the forum "Giant Scale Aircraft - General"
http://www.rcuniverse.com/forum/fb.asp?m=9853894
RE: Nitromodels Katana 50cc build thread
Akroblade954, You have exactly the plane that I (the starter of this thread) wanted to buy, but I got a different one instead (like many others on this thread). Your plane is the one that they reviewed in FlyRC, which prompted me to buy it in first place. I'm jealous, because if they would have shipped me the right plane, I would probably still have it and I would still fly it. What you're describing is exactly what they said in FlyRC. I know a guy who writes reviews for a different airplane magazine and I asked him what they do if they get a plane for review and it turns out that the plane is real crap, and he said that they notify the manufacturer (or distributor) about it and they won't do the review at all. So I think FlyRC weren't lying about anything. That plane is really good, but unfortunately, a lot of people got a different plane.
Posted on: 5/11/2010 4:38 PM by Author "cpreinfalk"
in the forum "Giant Scale Aircraft - General"
http://www.rcuniverse.com/forum/fb.asp?m=9726666
RE: Hangar 9 Twist 3D Part II - Thread Continuation
Did you consider epoxying carbon fiber rods instead of plywood?
Posted on: 4/7/2010 9:59 AM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=9643706
RE: Hangar 9 Twist 3D Part II - Thread Continuation
[quote]ORIGINAL: Spitfire222 I also bought an original V1 for $99 back in 2005 or 2006. When I crashed it last summer, Hobbytown had another one for $180. I just couldn't do it, no matter how much fun/mileage I got out of the first. So, I was all set to get a GP Escapade until I saw the ads for V2 and it made my day! I'm slowly assembling mine, doing a little work each day after work/school. Had to wait a bit for my radio gear to come back from post-crash inspection from Hitec, but all the gear is ok and ready to go back in to #2. [/quote] Have you found any difference to the first one yet (apart from the color and maybe the one or the other piece of hardware)? I lost mine way back when and I'm keeping an eye on the Twist 40. It was my first 3D plane. I lost it (couldn't find it!!!!) before I even got to learn any 3D with it! :-) I would like to get another one some time ...
Posted on: 4/5/2010 11:20 AM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=9638683
RE: Hangar 9 Twist 3D Part II - Thread Continuation
I had the original (yellow/purple) Twist 40 and at that time (roughly 2 years ago) it was $99 on Horizon. They increased it to $119 right after that and then to $179 or so. I'm glad to see the prices come down again!
Posted on: 3/31/2010 4:05 PM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=9627542
RE: Nitromodels Katana 50cc build thread
Yes, that's the one I had. And yes, the added weight didn't help the flight characteristics at all. htskywalker is smarter than me, he moved the engine more forward. That's something that didn't even occur to me! :-) Also, I had a CRRC Pro 50cc engine in it (cheap Chinese) with a side carb. After my big crash of the Katana, I put that engine in the next plane. Eventually I replaced the engine with a DA-50 and noticed that the DA-50 has the weight further forward (rear carb), so I guess with the "right" engine the CG on the Katana would have been better and I would have needed a bit less weight. I know you're supposed to seal the hinge gaps, but I never do that (lazy). However, I just read an article where somebody explained that it doesn't just give you more aileron authority, but it also can help a lot with "snapping out of a loop" (which mine did a lot) and it makes the plane floatier, because you don't lose as much lift through the hinge gaps. I'm going to start to do that on one of my planes now to see if I can really notice a difference. Anyway, had I done that on the Katana, I think it would have flown better. Just a thought.
Posted on: 3/30/2010 7:01 AM by Author "cpreinfalk"
in the forum "Giant Scale Aircraft - General"
http://www.rcuniverse.com/forum/fb.asp?m=9623561
RE: Nitromodels Katana 50cc build thread
Can you please post a picture of your plane? There are 2 versions (one was featured in a US model plane magazine, the other one is the one that most of us got and aren't too happy with). Mine needed about a pound of lead, which I mounted on top of the engine stand offs, and it was still slightly tail heavy.
Posted on: 3/29/2010 4:04 PM by Author "cpreinfalk"
in the forum "Giant Scale Aircraft - General"
http://www.rcuniverse.com/forum/fb.asp?m=9621675
RE: Extreme Flight Extra 300-EXP 48
At 6V the HG65 are about .11 seconds. But anyway, it depends how you fly. If you do sport flying then it doesn't matter how fast they are. But if you do 3D (especially hovers) then you do feel the difference.
Posted on: 1/27/2010 7:22 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9453829
RE: Extreme Flight Extra 300-EXP 48
I'm assuming that's on 4.8V? If so then they seem good to me. The HS-65 servos are a tiny bit faster but they're considerably less strong. So if you went a tiny bit longer on the servo arms, you'll have the same speed but you will still have more power. So I'd say yes, those should be fine.
Posted on: 1/27/2010 11:22 AM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9452609
RE: Extreme Flight Extra 300-EXP 48
One thing about torque and speed of the servo you have to consider is that a lot of servos with higher torque have lower speed and a lot of servos with high speed have low torque. They do that with the gearing. If you look at a list of servos of the same manufacturer where you see the torque, speed and the price of the servo, you will notice that you will see that a lot of servos with the same price are either fast or strong, but not both. If you want them to be fast and strong, you'll pay more. If you have a strong and slow servo and put a longer servo arm on it to compensate for the lack of speed, you will essentially have the same effect as putting in a fast servo with less torque. I know I'm stating the obvious, but I know that somebody had to point that out to me, because I used to look at the torque only and didn't look at the speed.
Posted on: 1/25/2010 10:12 AM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9446205
RE: Extreme Flight Extra 300-EXP 48
[quote]ORIGINAL: Aero31t Hi all, I just ordered this plane as well, and cant wait to get it...Althoug, I am also new to electric stuff and am having a hard time deciding on a battery...From what I understand is that i will be wanting a 4 cell pack, somwhere around 2400-2600mAh.  But do i want to go with the 11.1V or 14.v? and as far as the 30C or 20C...What does that mean, and what will i want? I will be running the Extreme Flight motor/esc combo...(2814/820 45amp esc) Whats the deal with the Zippy FlightMax batteries? Why so much cheaper?? Thanks!! [/quote] - 4 cell means 14.8 volts, so the recommended battery is 14.8 volts. 11.1 volts would be a 3 cell. - I got a 2200mah 4 cell (14.8 volts :-) ) battery and I'm getting about 8 minutes of 3D flight without "emptying" the battery. Therefore I recommend that capacity. The lower the capacity, the lighter the battery, the better the plane flies. However, I also have a 2500mAh 4 cell battery that I'm using on that plane, and the difference is small. You gotta land a bit faster, because the plane is a bit heavier. - 30C or 20C: The C rating is an indicator of how many amps you can pull. The number is a multiplier of the capacity. So if you have a 2000mAh battery and it's a 20C, you can pull 40 amps. If you have a 2500mAh battery and 30C, you can pull 75amps. Your ESC is 45amps, so you want a battery that allows you to pull at least 45amps to be on the safe side. So if you get a 2200mAh battery, you can still get away with 20C (that's 44amps current draw continuous, which is fine). To make it simple for you to pick a battery for this plane: Make sure it's at least 25C and at least 2200mAh and you'll be absolutely safe. If you get a 2500mAh battery, 20C is plenty enough. One thing to consider: The higher the C rating, the heavier the battery, because the higher C rating is achieved by increasing the size of the metal that's in the battery. The bigger the metal, the lower the inner resistance, the more amps you can draw safely. - Zippy FlightMax: About a half year ago I started buying the Zippy batteries (because everyone in my RC club kept telling me they're fine) and I had only positive experience. They are so cheap because you don't have a US importer who marks them up, you don't have any customer support, and I don't know if you really have a warranty on them. If there's an issue, you pretty much won't get a replacement. But I'm not sure about that, because I didn't have a problem yet!
Posted on: 1/5/2010 7:18 AM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9388518
RE: Extreme Flight Extra 300-EXP 48
I think that's right!
Posted on: 1/3/2010 5:35 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9383814
RE: Extreme Flight Extra 300-EXP 48
No idea. However, I found out that the prop is making a kinda cool noise when you do a hover, cut the throttle somewhat, let the plane go backwards, hit full throttle and watch the plane still go backwards (because the prop doesn't get clean air to bite into; there's a term for that which I can't recall).
Posted on: 1/3/2010 12:00 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9382816
RE: Extreme Flight Extra 300-EXP 48
I calculated again. I first got the per minute / per second thing mixed up. :-) Yes, for a 14 inch prop's tips to travel at the speed of sound, it would have to spin at around 18000 rpm. Which is not gonna happen. Even to approach that speed (not considering the fact that the prop would disintegrate), there is no motor and no ESC that would fit any model plane that would take the amps that the motor would pull at those rpms.
Posted on: 1/3/2010 5:10 AM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9382203
RE: Extreme Flight Extra 300-EXP 48
For the tips of a 14 inch prop to reach super sonic speeds, you would have to do over 700 thousand RPMs at about 120mph speed of the airplane. Also, if those prop tips would reach super sonic speed, the prop would disintegrate. I don't think super sonic speed have anything to do with that noise.
Posted on: 1/2/2010 6:57 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=9381049
RE: Nitromodels Katana 50cc build thread
[quote]ORIGINAL: htskywalker Well my maiden long time ago was not smooth as well, had this snap tendency but was totally corrected by re-leveling the Elevator halves. Lots of power with the DL50, already burnt 4 Gallons of Gas. It is a nice ship to fly and good on the money but surely not one of the best in the 50cc class. Move to an Aeroworks, Airwild, Dietrich, Precision Aerobatics, Krill (the best KAtana ever designed) or Wild Hare later on and you would discover how much you are missing. [/quote] I fully agree! I used the Nitro Planes Katana as my test bed (my first 50cc plane). When I crashed it after 7 flights (snapped, went out of control, lots of weirdness), I decided to get an Aeroworks Extra 260 (50cc), transferred all the gear from the crashed Katana to it and I'm very happy with it. No weirdness. :-) Don't get me wrong, with better piloting skills I wouldn't have crashed the Katana. It's just that with the Katana I had to worry during every loop about snapping on the bottom of the loop, because it happened so often with it, and even though I had only 7 flights on it (before I crashed it), I STILL worry about it on my other planes, even though it NEVER happened with any other of my planes. I guess I'm traumatized. :-)
Posted on: 10/8/2009 11:56 AM by Author "cpreinfalk"
in the forum "Giant Scale Aircraft - General"
http://www.rcuniverse.com/forum/fb.asp?m=9156337
RE: losi strike.........
[quote] I personally deslike the strike. I am not a die hard slash guy, however I do have one. However that was the only choice when I was buying. If I could do it all again I would probably go with either the slash or the HPI Blitz. I think the blitz is a nice looking truck and if it is anything like the firestorm. It will be tough as nails. In my opinion, none of these companies will catch up to traxxas. I am not a traxxas lover. It is just the facts. Traxxas got the slash out there before any other company. Therefore TONS of people bought one and still do. There is no way that HPI, Losi, or Ofna can catch up in sales. I work at my LHS and that is all people come in and buy. All the tracks in my area are based around the slash. We have the SC10, and the strike. We have not sold any strikes yet and only a handfull of SC10s. However we have a lifetime supply of slashes and people keep buying them [8|]. Weather they are racing, bashing, or even kids trying to get into the hobby. Everyone is going for the slash. [/quote] Let's distinguish between "good product" and "good selling product". Just because Traxxas has the biggest sales numbers doesn't mean they have the best handling best quality and toughest products. I don't know which company makes the best SC truck, I'm just saying that because people buy the Slash doesn't mean it's the best. I was going to buy the Slash, but that's because it's the first one that comes to mind. Marketing, etc. I'm still trying to figure out which truck will satisfy me best in terms of durability and handling. I did hear that the Slash has a tendency to roll over more than other SC trucks because of the high center of gravity. I drive on my street as well as on dirt, and rolling over is an issue on the street where there's a lot of grip.
Posted on: 10/6/2009 12:54 PM by Author "cpreinfalk"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9151260
RE: Nitromodels Katana 50cc build thread
By all means, yes! I had a CRRC Pro 50CC in it and had to add a few pounds of weight in the front. If you have a heavier and stronger engine (as you seem to do with your 65CC) then definitely, absolutely put that one in. It's not going to be too much. You'll still have to add weight in the front, but not as much. And you'll have a stronger engine to pull that extra weight.
Posted on: 8/28/2009 7:11 PM by Author "cpreinfalk"
in the forum "Giant Scale Aircraft - General"
http://www.rcuniverse.com/forum/fb.asp?m=9052828
RE: Hangar 9 Twist 3D Part II - Thread Continuation
The only "cheap" plane that I found when looking for 40-46 size 3D planes was the Modeltech Magic V2.0 at http://www.hobbypeople.net/gallery/123738.asp for $129. I didn't buy it and I don't know how good it is, but it is cheap and it's a good brand. I have 2 Modeltech planes (a 40 size stik and a 25 size P-51 pole racer) and they fly really well. But again, I don't know how good that particular plane is. In terms of profile: I see them only for around $200 these days, at least the good ones. However, there is a cheap Chinese profile that I had and it flew really well. I gave it to a friend and he's been happy with it. I bought it on eBay for about $70 (shipped). There's this guy who sells them on eBay and when an auction is over, he always puts a new one on. Check this out: http://cgi.ebay.com/Cap-232-40-3D-RC-Profile-Sports-Plane-Airplane-ARF-Kit_W0QQitemZ140331274155QQcmdZViewItemQQptZRadio_Control_Vehicles?hash=item20ac654fab&_trksid=p3911.c0.m14&_trkparms=65%3A12%7C66%3A2%7C39%3A1%7C72%3A1205%7C293%3A1%7C294%3A50
Posted on: 7/7/2009 9:53 AM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=8913115
RE: Extreme Flight Extra 300-EXP 48
I have no problems at all with the EZ Connectors
Posted on: 6/21/2009 7:47 AM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=8868675
RE: Hangar 9 Twist 3D Part II - Thread Continuation
Okay! In the meantime, here's my Twist video. That was the maiden flight last year in April. That was my first 3D plane, so obviously I'm not doing any 3D stuff on this video (being the maiden flight of my first 3D plane, get it? :-) ). After the 2nd flight (not on the video) the wing separated (wing bolt broke). I fixed the fuse and then about 10 flights later the wing separated again, but the plane was never found again. It's resting in piece in the swamps. I'd love to fly it today!! http://www.youtube.com/watch?v=vgHrnppCK_Q
Posted on: 6/14/2009 9:36 PM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=8852092
RE: Hangar 9 Twist 3D Part II - Thread Continuation
Did you take it off again? When I try to play the youtube video, it says "the video you requested is not available". Maybe you edited it and uploaded it again? Please post the new link!
Posted on: 6/14/2009 9:29 PM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=8852068
RE: Extreme Flight Extra 300-EXP 48
My Airboss 45 fit lengthwise. I don't remember if it sticks out a bit or not. It's not a problem, though. I used to use velcro only, but now I don't use velcro anymore and use zip ties instead. Straight to the wood. Since electrics have no vibrations (if you balance your prop, which we all do, hm? :-) ), it doesn't need to be plushy!
Posted on: 6/12/2009 2:30 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=8847048
RE: Hangar 9 Twist 3D Part II - Thread Continuation
Awesome! I loved my Twist (until the wing separated from the fuse high up and far out and I couldn't find either one :-) ). When I had it, I haven't had any 3D skills yet. I wonder what it would be like to fly one, now that I know the basic 3D moves. As you said, landings were so easy. I used to fly high up along the field to the end of the runway, then flipped it on it's back, pulled elevator up until it went straight down, cut the throttle down to idle, pulled up when it got closer to the ground and then did a perfect landing. Awesome! Take a video and post it on Youtube! I'd love to see it.
Posted on: 6/12/2009 1:41 PM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=8846948
RE: Hangar 9 Twist 3D Part II - Thread Continuation
[quote]ORIGINAL: chevypower1930 Got the plane it's beautiful! god I can't wait to fly it.. and yup he has the 12 x 4 prop on and he said it'll hover with ease! [/quote] Cool! You're all set!
Posted on: 6/11/2009 7:08 PM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=8845111
RE: Hangar 9 Twist 3D Part II - Thread Continuation
[quote]ORIGINAL: chevypower1930 Whats up everyone! Alright so I can now join this forum! So I'm going today to pick up a Twist with a .46fx, a Futaba 6xas radio and receiver installed, and all servos for 200 dollars! I think my only question is what prop would you all suggest.... I really want that torquey feeling, I think I may get some big ole tires for it so I can get a big 3D prop on there, I already know I'm going to beef up behind the wing saddle, do NOT want the plane to snap in mid air.... I'm experienced pilot I've flown 3D before but never 3D Glow... I think I'm really gonna love this plane! [/quote] APC 12x4W is what comes to mind. A friend of mine uses that on a 46AX on a 40 size profile plane and it's got tons of pull out from hovers. Excellent price on the setup that you got!!!
Posted on: 6/11/2009 9:24 AM by Author "cpreinfalk"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=8843605
RE: Extreme Flight Extra 300-EXP 48
[quote]ORIGINAL: EXTREME FLIGHT Well here it is, my first attempt at putting together a video. My wife Melissa shot the footage and I edited it. Wow! it's a time consuming process! As this is our first attempt it is far from perfect, but we are determined to learn this "art" and get better with each new video. I did my best to show as many maneuvers as possible. To all who have asked, please note the complete absence of any wing rock in harrier, both upright and inverted, as well as the extreme pitch authority of the EXP. Without further adieu: http://www.extremeflightrc.com/vide...0EXP_ARF%20.wmv [/quote] The link is wrong. You got 3 dots in the file name, which seems to be kind of an abbreviated file name. Please paste in the full name! Because I really do want to see this video ... :-)
Posted on: 6/10/2009 10:02 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=8842599
RE: Extreme Flight Extra 300-EXP 48
[quote]ORIGINAL: CrashMeister Nice to see you have it flying - so what's your opinion ? Hey, does anyone have the current Tower Hobbies discount codes ? I need about $90 worth of stuff for my plane and all I can see is the $25 off $199 offer. I can pad it a bit (to $100) but not all the way to $200. Thanks, Craig. [/quote] This plane is unbelievable. It tracks, I haven't experienced anything like it. This is the first time that I point a plane straight up, give full aileron, and it just goes straight up like a rocket, rolling like crazy. I did 2 flights and did mostly sport flying stuff, because it's so friggin' enjoyable. Knife edge is out of this world. Again, this is the first time that I'm doing knife edge with rudder input only, no elevator and aileron input necessary (I put the SFGs on). It blew my mind. Flipping it on it's back with only a little bit of up elevator, it's so confidence inspiring. Elevator with no throttle is awesome. Just a bit of wing rock, but that's because it was windy (10mph, I'd say) and our field has lots of turbulence (buildings, trees, etc.). Inverted elevator, even better. I did some upright harriers, but those were wobbly (wind) and it always takes me a few flights with a new plane to get harriers done nicely. Landing was very easy. I did 2 flights and had no issues. Set it up with some power and then cut the throttle and flared it in. That's it. This plane floats, it looks unreal. I did some very slow fly-by, short of harriering and it was REALLY slow. One more thing: The Torque motor (the bigger one, with the 820kv) and the 45 amp Airboss ESC with the 12x6E APC prop as recommended for this plane, works really well. Ballistic performance. During those 2 flights I never even hit full throttle. It goes vertically up with no end. It just keeps accelerating. In other words, I'm quite happy with my purchase! :-)
Posted on: 6/5/2009 9:59 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=8829113
RE: Extreme Flight Extra 300-EXP 48
Okay. My motor has 820kv, which means it spins slower than your 1000kv motor. I'm using a 12x6 prop, you're using a 12x7 prop. That means you're definitely over propped! My motor and ESC have ambient temperature after a flight like the one in the video above, and the performance is very satisfying. I'd definitely try a 12x6 if I were you. As far as CG: My CG is also aft. I have to move the battery all the way in the front to get the CG right (neutral). To do 3D stuff, I move the battery an inch from the front for slightly aft CG.
Posted on: 6/5/2009 9:58 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=8829108
RE: Extreme Flight Extra 300-EXP 48
[quote]ORIGINAL: mstam1971 I finished mine. Since I usually only fly gas and only have the Little Bangee electric, some questions. I didn't go for the combo setup and in stead I got myself 3 2650mah Zippy batteries, Turnigy 40A controller and Turnigy SK 35-42 1000kV motor. With the battery all the way up front, I got the CG 1/8" behind the center of the wing tube. Is this gonna work out fine or will it be tail heavy? I like my planes to be close to being tail heavy. With the big battery the plane weighs in at 47-1/2oz. Also, I ran a few batteries with a Xoar 12x7E prop. Everything seems to work fine but the motor gets really hot and smells after 30 secs+ full throttle. Is this normal? I guess the motor is about 60 degrees Celsius after the full throttle run. The battery is warm and the controller slightly hot. I tried low, medium and high timing mode and I get the impression I get much longer run times in high timing mode. Can someone please confirm? And I haven't used any of the included EZ connectors. These create a big load on the arms. See image 3 for how far the arms are out of line. [/quote] Question: are those Zippy batteries 3 or 4 cell?
Posted on: 6/5/2009 6:27 PM by Author "cpreinfalk"
in the forum "3D Electric Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=8828659
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