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Finished the 91" Cap

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Old 06-10-2006 | 12:17 PM
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Default RE: Finished the 91" Cap

hmmm ok, well lets do it then, where do i get this stuff and which stuff do you reccomend?
Old 06-10-2006 | 02:10 PM
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Default RE: Finished the 91" Cap

Erik I have been running the Fromeco gear and have been really happy with it. I use a single 4800 mah on the radio with a failsafe switch/regulator and a 2400 mah on the ignition with a smartfly regulator and a standard switch from MPI, works great.

An alternative is to use a pair of 2400 mah packs with 2 standard regulators through regular high quality poled style switches for the radio. I decided that the single pack with a bulletproof switch assy gave me enough confidence to go back to a single pack on the receiver.

Check out the gear here:

www.fromeco.org
www.smart-fly.com
Old 06-13-2006 | 02:06 PM
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Default RE: Finished the 91" Cap

ok so i guess you're talking about the "super regulated reliaswitch" ? seems like a good idea to have a voltage regulator. What are the major benefits to this thing? Has it really saved anyone a crash?
Old 06-13-2006 | 06:39 PM
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Default RE: Finished the 91" Cap

Erik the nominal voltage of these Lithium-Ion packs is 7.4 volts and when they are fully charged they settle around 8.4 volts which is too high for most current radio gear. You need the regulators to drop the voltage down to 5.5-6.0 volts to keep the radio gear happy.

Yes I use the regulated reliaswitch and am very happy with it, it's nice to only have to use one component instead of two. Of course you can run standard switches if you like but in that situation I would opt to run two packs just in case a switch dies from vibration the other will be there to back it up. Either way works, I just like to keep it simple.
Old 06-13-2006 | 08:00 PM
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Default RE: Finished the 91" Cap

sounds good, thanks for the info. now as far as a 4800 mah pack goes, do you really use that much?
Old 06-13-2006 | 10:15 PM
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Default RE: Finished the 91" Cap

When choosing packs there are two attributes to consider, capacity and max current capability. The short answer to your question is no, I don't actually use all of that capacity but what is nice is that fact that these packs can deliver over 4 amps of continuous current which digital servos love, especially when they are all wagging around at the same time. The smaller packs have plenty of capacity but less available current.

Give Kurt a call at Fromeco, he's a nice guy who does a really good job of explaining all of this electro tech stuff.

Another source for these parts would be:

www.troybuiltmodels.com
Old 06-13-2006 | 10:52 PM
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Default RE: Finished the 91" Cap

sounds good, i think other people will find this info useful as well
Old 06-14-2006 | 01:10 AM
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Default RE: Finished the 91" Cap

pics
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Old 06-27-2006 | 07:14 PM
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Default RE: Finished the 91" Cap

Well I promised a video and here it finally is! Unfortunatley i had to compress video and the audio... wheres that site that allows 100mb videos? I need to post it there so i can do the better quality version. anyway here it is:

http://media.putfile.com/Gas--Smoke-WH-Cap-232

and this is just the beginning.....
Old 07-20-2006 | 01:45 PM
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Default RE: Finished the 91" Cap

Anyone have a real 3d video?
Old 07-22-2006 | 07:18 PM
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Well had another great day of flying today. This was my first experience flying down in the lower elevations (NE) it was amazing. More amazing than the power increase is how much slower the airplane lands. This was the first flight I got to fly my cap with all new 8611's. I noticed the biggest difference in the ailerons. So Crisp, so sweet, and no hunting! I realized today that the airplane needs a good throttle-rudder mix. Rolling harriers were good today, the airplane does them better, or at least I did them better today and I wouldn't say the low wing really matters as much as I thought it did. Harriers are good, but if i was to harrier land, I'd be buying a new prop. The gear slowly bends over time and needs to be bent back up.... I guess i am carrying more weight than most up front though.

My main focus now is getting some weight in the front. I took off the tailwheel today to weight it, and it doesn't feel that heavy, i don't think i'm going to get much of a cg change getting a lighter one. That was my last option besides adding nose weight which is what i've been really been hesitating to do.
Old 07-23-2006 | 03:02 PM
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Default RE: Finished the 91" Cap

Eric I thought the Cap flew great. I don't recall but from what I observed it looked to be very neutral in the pitch axis. Did you notice if it wants to climb when inverted? If not I would say leave the balance where it is and get used to it as the plane really does appear to fly very well.

You definately need a better prop though as you simply can't imagine how bad the Pro-Zingers are until your fly something better.

See you at the field next time!

Scott
Old 07-23-2006 | 03:09 PM
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Default RE: Finished the 91" Cap

Weren't you the one that said anyone who hasn't experimented with Caps cg are missing out? yeah, it flies nice, but i think it would track better and be less likely to be snap-wobbley when you pull back on the elevator with a further forward cg. You should fly it for sure and see what you think. I'm ordering the prop tomorrow, can't wait.

everybody is pretty cool here, it seems like i'll finally get the help I need
Old 07-23-2006 | 03:17 PM
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Default RE: Finished the 91" Cap

Yeah that was me....!

I guess the time I have spent flying mine and others aerobatic planes was probably speaking when offered my opnion in the last post. Your right and you should move it some and fly it to get the model flying the way YOU like it. After all, it is your airplane!

IME if the plane feels snappy to you it's more than likely due to too much elevator throw, Caps are especially prone to this. If you leave everything the same and only move the CG ahead it will probably snap worse as that is what I have experienced every time I have been in this situation. I simply can't stress enough how powerful the elevators on Caps are and beause of the low wing/high stab configuration there is a phenomenon where at certain angles of attack where the wing blanks out the airflow over the stab/elevators resulting in that snappy tendancy Caps are known for.

In the end your just going to have to play around with it and see what you like, either way the plane really looks like Iit has a lot of potential and looks great in the air.
Old 07-23-2006 | 03:23 PM
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Default RE: Finished the 91" Cap

Scott that does make sense to me... when the cg is further forward you do get more violent snaps, when they actually break into it. I have backed off the elevator a bit and that does help, but then when you need lots for harriers, waterfalls, you're stuck. I'll keep messing with it and report back. I'm going to try to burn a full gallon this week!
Old 07-23-2006 | 03:40 PM
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Default RE: Finished the 91" Cap

Eric I think your going to learn that once you move into the bigger planes the rate switches get used a LOT.

I remember talking to Mike McConville and he was talking about how he is constantly flipping his rate switches from high to low and the airspeed is changing. Basically your going to be flying low rates all the time except when doing the maneuvers like tumbles and spins. when your at low airspeeds high rates are fine but as soon as the airspeed comes up you need to get off the high rates or you can snap the airplane and get yourself in a furball pretty quickly.

Some guys run a lot of expo but that is a double edged sword as the surfaces are very sluggish around center, exactly what you don't want when you need to make small, very quick corrections like when your executing a harrier into a hover.

In the end its all about feel and everyone is a bit different as to what suites them.
Old 07-24-2006 | 11:55 PM
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Default RE: Finished the 91" Cap

2 more tanks today. I set up dual rates a really liked it. I harriered it lower than I ever have, maybe 10 ft off the deck. My throttle to rudder mix was a success. I've decided that the airplane isn't nose heavy at all. This thought comes from what Scott was saying as well as realizing that if the airplane really was tail heavy i wouldn't have to hold any down elevator for inverted flight, which i do. I'm going to move it back some this week and get some reports. It does a pretty sweet parachute! I think it'll do it better with more throw and cg change. It just took me so long to get over what the manual said and i had to think for myself. Boy has it been a headache, but this thing is finally going to be amazing when i get it set up right.
Old 07-25-2006 | 01:04 AM
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Default RE: Finished the 91" Cap

Shogun mentioned something in an earlier post that's worth repeating. Moving away from that Pro Zinger will make a large difference in performance. It won't just be in power, but also in the way the plane performs in turns and at low speeds. It's amazing on how much better the entire plane works out with a good prop. Those that haven't been there often argue but usually come back later saying "WOW!"
Old 07-25-2006 | 10:31 AM
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Default RE: Finished the 91" Cap

yeah thats what they were all saying.. how does that change the way it flies?
Old 07-25-2006 | 12:23 PM
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Default RE: Finished the 91" Cap

Eric the thrust provided by a high quality prop is an order of magnitude over the Zingers. In fact I have flown the standard Zingers and compared them to the Pro-Zingers and I thought the regular version pulled better on my large glow engines. The biggest problem with Zingers wood props is that they flex and tend to flatten out, reducing the pitch, at high rpm and during fast throttling of the engine.

I have no idea if you have ever flown a zinger on a small engine, say an OS .46, and then switched over to an APC prop. If you have you most likely recall there was a significant differnce in performance by going to the stiffer prop. The blade and airfoil designs of the APC props are computer optimized, as are the props produced by companies like Menz, Bolly, MSC, Xoar, NX and a whole slew of others. I still think the biggest difference is in the quality of the wood the props are made of as the Zingers simply are not as stiff as the others.

Trust us on this, when you get a good prop on that plane it will really wake it up. Zingers are fine for cubs but for high performance aerobatic aircraft they simply don't cut it.
Old 07-25-2006 | 01:01 PM
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Default RE: Finished the 91" Cap

cool. Well it should be here in 2 days i hope (bolly 24*10)
Old 07-26-2006 | 12:14 AM
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Default RE: Finished the 91" Cap

Got another tank today! i'm compressing the updated video and I can say to squinty1 that this actually has some 3D in it. You can tell by how i struggle to hover it that i don't have enough authority in the tail surfaces (because its too nose heavy) I'm going to move it back tonight, fly tomorrow and give an actual cg reading where i end up. I think the parachutes and harriers are going to be much better with a further back cg as i'm using all my elev. right now and feel like i need more. This airplane rocks. 2 gallons burned now.
Old 07-26-2006 | 01:25 AM
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Default RE: Finished the 91" Cap

I would be willing to bet that you have plenty of tail surface authority based on what I saw Saturday. I would even be willing to bet it will do some of the maneuvers fine where the CG is at once you get a good prop.

Yeah, I know....I'm harping again, but when it comes to 3D the prop is everything. Yes it makes THAT much of a difference.

You'll see
Old 07-26-2006 | 01:28 AM
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Default RE: Finished the 91" Cap

lol i will see. yeah if i had a little more air over those surfaces.....

heres the video, fast forward about halfway through if you've seen it

http://www.youtube.com/watch?v=4Hy1114F3wA
Old 07-26-2006 | 01:32 AM
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Default RE: Finished the 91" Cap

Scott do you have a drill press? I need to do this prop right when it comes..... the drill isn't going to cut it


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