|Wing Area:||525 sq. in.|
|Battery:||Dualsky 3s 1200mah|
|ESC:||Jeti Advanced 18A|
|Available From:||MSComposit USA|
For years, the Pitts S2 biplane has been one of the top aerobatic planes in both full scale, and RC. If you are looking for great flying, durable airplane to learn 3D or just toss around at the park or field then you need the MSComposit Pitts S2 BullDog!
When I first opened the box I was impressed to see that there where no warped or broken parts. The @depron tail feathers were in a separate bag from the other parts, and the ailerons are prehinged!
The assembly was very fast and easy. It only took a few hours, and everything was pretty straightforward.
The manual does not have very many words and is mostly picture-illustrated, but is very easy to follow.
To install the tail feathers, all I had to do was hinge the rudder/elevator, cut out the section in between the horizontal stab and top of the fuse, where the vertical stab goes and glue them in!
The manual says to cut the counterbalances on the elevator at an angle, but I cut mine straight so that it would be a little easier to cut and would give me a little more elevator authority.
There is really not that much that has to be done to the fuse other than to install the landing gear and tail skid.
The supplied wheels are made of plastic and did not appear to be very good quality, so I changed mine out to MPI wheels. I sent a message to Henry at MSComposit USA, and he said he would send a message to manufacturing to change the wheels.
The wings were very easy to get lined up straight thanks to the thickness of the EPP foam.
The top wing is in two pieces, and you must glue them together, but the bottom wing is one piece.
In order for the hinges to not touch the fuse, I had to cut out a spot in between them
String to use as a spar was included with the kit. I tried it in the first wing, but it did not seem to make a difference in the stiffness of the wing, so I did not put a spar in the second one. Since it is an EPP biplane you can get away with no spar.
Axi Gold Line 2212/20 Specs
|Number of cells:||Li-Po 2s-3s|
|Current Capacity:||16A / 60 seconds|
Jeti Advanced 18A Specs
|Type:||Brushless Speed Controller|
|Number of cells:||Li-Po 2-3, NiCD/NiMH 6-10|
|Max Cont. Amps:||21A|
|Dimensions:||32mm x 23mm x 7mm|
|Programming :||6 Programmable Functions|
For the Electronics, I used the recommended Axi 2212/20 motor, Jeti Advanced 18A ESC, HS-55 servos, and a Dualsky 3s 1300mah Li-Po.
MSComposit could not have found a more perfect setup. TONS of power, and will fly for 10-13min depending on throttle usage.
I have flown mine on everything from a 2s 800mah Li-Po to a 3s 1300mah Li-Po. On the 2s, it would fly around fine, but would NOT go vertical. The Dualsky 3s 1300mAh is the best of the ones I have tested.
I would also like to thank Castle Creations for supplying the Berg 7P
I found the CG to be just right for 3D, about a 1/4'' behind the manual suggested CG.
Make sure that when you install the pushrods, you glue the tube that the pushrod is in to the side of the fuse. This keeps the pushrod from bending in flight.
|Pitts S2 Control Throws:|
|High Rates Up||High Rates Down|
|High Rates Left||High Rates Right|
Flying the Pitts S2 is very easy, and it will fly all the basics with ease. It will not snap, stall or spin if you get it too slow; it simply drops the nose. It has unlimited vertical performance and handles wind very well.
You have many options for takeoff and landing with this bird. You can hand launch it by just giving it power and letting go, or you can take off from the ground. With the amount of power this thing has, you can jam throttle to it, pull up elevator and snatch it off the ground right up into a hover (see video). For regular takeoffs, it only requires a few feet to get off the ground. To land, you can either hover it and catch it or just land on the ground; no need to land fast with this one.
Aerobatic/3D flying is where this plane really starts to show what it is capable of. I have yet to find an EPP plane that 3Ds as well as this one does. Since it is made of EPP, you can bring it down low and not have to worry about crashing! It just begs to be hovered.
|Hover||A+||Hovers are EXCELLENT at about 1/2 throttle with this plane! Minimal input needed|
|Torque Roll||B+||Torque rolls are great! Does not even need aileron input!|
|High Alpha Upright||B+||A little wing rock, but nothing that is uncontrollable. Does NOT want to snap roll on you.|
|High Alpha Inverted||A+||High alpha inverted is great too! ZERO wing rock!|
|Loops||A++||Does some of the tightest loops I have ever seen.|
|Rolling Harrier||A||Roll rate is perfect for rolling harriers. Easy to keep up with!|
|High Alpha Knife Edge||B+||High Alpha KE is great, just feed in full rudder!|
|Stall Turns||A+||Does beautiful tight stall turns|
Knife edge, hovering, harriers, inverted flight and rolling maneuvers are really where the Pitts excels. It will do most anything you can think of that including knife edge - high alpha KE, KE loops, KE to KE circles, KE to KE snap rolls, etc. with ZERO coupling and do rolling circles, rolling loops, rolling harriers, etc.
Inverted flight is great! Needs just a tad of down elevator input!
The Pitts has about 525 sq. in. of wing area! This makes harriers a breeze, and it flies as light as a feather.
Another reason that the Pitts flies so well is that both wings are airfoiled, soomething you don't find in very many planes this size.
NO! The Pitts S2 does not have the self-correcting flight characteristics that a trainer plane should have. It would be a good third or fourth aileron plane.
If you don't have a MSComposit Pitts S2, get one! Whether you like to fly scale or want to learn 3D, you will love this plane.
|Mar 05, 2008, 08:43 PM|
Nice job with the review! It does look like an awesome flyer — as nice as the Unique and Swift II that I just reviewed, too.
You sure can fly that biplane, too — nice video!
|Mar 05, 2008, 09:01 PM|
Thanks Napo! It is a great flying little airplane!
I took it out to the field with me a few weeks ago, and 8 people asked me where they could get one. Although I think where just impressed by the durablity though. I smacked it in 3 times, and tossed it right back up!
Great job on the Unique, and Swift reviews!
|Mar 06, 2008, 10:45 AM|
|Mar 07, 2008, 10:30 AM|
Nice job edge5foamy, thank you for keeping Jim's legacy alive.
|Mar 07, 2008, 12:41 PM|
Nice review! Have to agree on the wheels. While we did not try the stock wheels, I though they looked so bad, we have included Hyperion wheels (same as MPI) to customers as a throw in.
As far as the string, I agree you could get away without it, but our customers who have used it say it works well when soaked in CA. Others have used carbon rods instead.
We have only sold a few so far as these are new to us, so keep in mind these comments are based on limited data.
Quiet RC Flying
|Mar 10, 2008, 04:33 PM|
What I'd recommend, however, is to use a set of Du-Bro collars to hold them in place. I lost my stop washers within a couple of days (though I still use them on the inside so the wheels won't ride up the landing gear).
I agree that the string soaked in CA works well, though. It's no CF spar, but it does its job more affordably.
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