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RE: modeltech twister
I flew the prototype on a Super Tigre G51, absolutely superb.
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RE: modeltech twister
Did the prototype have the problems that have been mentioned? The elevator servos making the rudder control rods bind, and the nose heavy condition on the ground?
One would think they would be simple fixes, especially the gear. |
RE: modeltech twister
On the prototype there was only a few minor niggles, no problems with binding or nose heavy on the ground, I fly of grass and the trials where done in January when the ground was quite wet. I used two elevator servos mounted in front of the tailplane and closed loop on the rudder, servo mounted in the fus. I changed the horns for the rudder as the ones supplied where not up to the job, the ones I used allowed me to cut them down thus preventing any fouling, it sounds like they took note of my recommendations and changed them. Did they change them to the standard grey framed ones? If so then you obviously can not reduce these in height. I have not seen the updated Twister, we will be getting them in about three weeks
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RE: modeltech twister
Yee, ha... Got my new one.
Bought a Sullivan tailwheel, Du-Bro anti-vibration engine mount, Sullivan wires for the rudder, and will be getting new horns clevises and will be using 4-40 rods. Just not sure if I should go with ball links or the new Du-Bro clevises. Maybe both. I also got Great Planes CA hinges, and I'm trying to decide if I should replace the stock ones. The Great Planes hinges look like the are more rough, and would "bite" a little more. The stock hinges look really smooth. So who's been flying, what do you think? |
RE: modeltech twister
Talked to Russ at Hobby People, He does all there test flying, He said to make SURE you put guid wires on the tail feathers or things could come apart. I dont know if they are going to add this to the plane or not. He said this is a must do.
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RE: modeltech twister
any one wonder what the 4 sticks of wood in the kit are for? The book says nothing about them.......... 4 inches long and 1/4 wide... Any one else have those?
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RE: modeltech twister
I wondered that myself. Two of them(with purple) match up to the marking on the horiz. stab, like they might be some kind of brace, but there isn't any silver. And like you said. there isn't anything in the instructions for them.
You guys been flying yours? |
RE: modeltech twister
I glued the 4 pieces of film-covered tri-stock on mine above and below the intersection of the stab and the fuse in the way that it matched the scheme best. Yes, there is a missing color stripe or 2, but it's not terribly noticeable.
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RE: modeltech twister
I am going to maiden mine tomorrow if weather permits. I think I will put those on my plane also
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RE: modeltech twister
Did any one else have a problem getting the recomended amount of throw with the ail.........
I have only 1 inch of throw...... everything else is good They show a diff. horn for the ail in the book, anyone else have the same exper....... |
RE: modeltech twister
I found the ailerons to be very sensitive, despite 35-40% expo, although I cannot recall the exact control throw I used, but believe it to be as called for in the manual. I used the 3D setting for high rate and Sport setting for low rate. I'm flying aileron on low rates. Elevator and rudder throws were fine.
In order for my plane to track even better in turns, I dialed in differential aileron throws in my radio, of 140% up, 120% down. This made my plane track extremely well with no roll/yaw coupling. |
RE: modeltech twister
Lee
I am going to the Festival of giants up there in Ill. in next couple of weeks.......Any chance you are going? Justin |
RE: modeltech twister
In St Charles? Yes, a good possibility, but not sure. I may bring my Sportsman Aviation Corby Starlet, which is a 50/70 sized plane but technically it's 27 or 28% scale. That would be fun. A Saito 80 powered "Giant". That's if I bring something to fly. I might just go to watch stuff.
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RE: modeltech twister
Hey, i've been following this post for some time now, and it seems like you guys are really into the technical end of things. Good job on helping people on here. Any ways, I just ordered a twister the other day hoping it would turn out to be a good sportsman pattern plane for a decent price. How does the plane track through manuevers like stall turns and cubans? And does it slow down in a dive or does it slip through the air pretty good.
One other quick thing, has anyone tried to put a supercharger for an rc truck on an airplane engine? I Have a Super Tiger .34 on a tuned pipe that right now with a 9x7 prop pulls 16,200 rpm. They say on the trucks, you get up to 50% more power(BS), but i also took the restrictor out of the supercharger because i only need wide open power, not low to mid range. Just a question i wanted to ask to verify how crazy my wife and friends say I am!!! |
RE: modeltech twister
We're ALL crazy!?!
I bought mine so that I could use it to start into sportsman pattern flying. With the 1 and 1/2 flights I had on my first Twister, it tracked erally well, and slips through the air pretty well. I wasn't sure if my K&B .48 was going to be enough for it due to wing surface area, but it pulled it around with authority, and once my new motor mount and flying wires kit arrives I'll be able take the new one out and do some more testing. I kind of got it to hover, but I'm still learning that one. Although it was much easier with the twister than with other planes. I ended up replacing all the hardware on the second plane. I think that's the only way you will avoid some type of failure in the air. The hardware package for the twister is seriouly lacking, but that seems to be the planes only major flaw. And like goplaneman said I'm adding the flying wires kit. Good luck, and let us know how it goes. |
RE: modeltech twister
Lee
I will be there on Sat. Let me know if your going and how I can find you... Flew the twister and it flew great but had to pack up after one flight..... I have a couple of pictures of it in the air and the build and at the field.... Here is the link.. http://www.heathsworld.com/gallery/Twister-3d-build |
RE: modeltech twister
Backwing
I dont think you will need the wires if you put the tri-stock on that we talked about in post 58.......... Just my opinion.. Justin |
RE: modeltech twister
I ended up putting on the tri-stock, and finally got the wires and motor mount in at the LHS.
I'm just a little apprehensive... Don't want a repeat! So the wires are almost on, and will get the engine mounted tomorrow. Then hopefully a test flight Fri. or Sat. if I don't have to work. |
RE: modeltech twister
How does it 3D? I have a Goldberg Matrix which is similar (pattern/3D) and absolutely love it. I'm wondering how this would compare to it. I had a deadstick mishap with the Matrix (nothing major) but if it doesn't fly right after the repairs it's getting replaced. I'm sorta considering picking up a Twister but I'd like to hear some input on it's 3dness. I'm a little concerned with the suggestions for adding fly wires, bracing, etc.., though. What's everyone's AUW coming out to? Does anybody have any videos of it?
Thanks, Abram |
RE: modeltech twister
It has very similar characteristics to its bigger brother the Adrenaline which 3D's very well. The Rush 3D's well but is not as smooth as the Twister. The reason for the back bracing is as with a lot of the 3D planes they never seem to end up with the engine size they where designed for, hence the recommendations, better to be safe than sorry.
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RE: modeltech twister
I'm ready to can the engine. I've tried two of my K&B .48's but I can't get either one to run properly.
What kind of vertical performance did you have with the Supertigre .51? Could it hover? |
RE: modeltech twist
I am just putting my Twister together and see what you mean about the rudder tubes being in the way of the elevator servos. Did you just leave the plastic tubes in place and run your closed loop wire down the tubes?
ORIGINAL: Backwing Getting very close to being done now. I'm waiting on a new aileron servo to show up, I decided to upgrade them and only had one. And I need to find a pilot before I attach the canopy, then I can install the Rx and batt. then balance. Then the only other thing, is this wind. It hasn't quit blowing for over a week. I did end up changing out the rods for the rudder pull-pull system to Sullivan wires. The rods bind too much for smooth operation, and I worked the rods up, down, and around trying to bend it just enough to make it smooth. But it just wasn't going to happen. Part of the problem is the elevator servos in the rear of the fuse. As soon as I cut the covering from the servo holes I knew there was going to be a problem. The tubes for the rudder rods go right through where the servos mount. So when you install the servos, you have to bend the tubes just enough to made the rods bind in them. |
RE: modeltech twist
I bought a set of the Sullivan gold-n-?(wires or clevis) they come with a 36" or 48" wire, tube, and clevises. I just ran the wires throught the pre-installed tubes, and they work very smoothly.
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RE: modeltech twist
So how was the performance with the Supertigre .51? I think I remember someone using a pipe on theirs.
Will it pull out of a hover? What prop did you use? I have one coming and want to be sure it's going to be enough. |
RE: modeltech twister
The build of my Twister is now underway. I'll keep adding pics as I go
http://www.rcaeros.com/gallery/yt_twister |
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