Roban - World Class Scale Helicopters

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  • Originally posted by Hugh Wiedman View Post

    Check the thread on that Roban A-10 first before you buy. For some unknown reason, they did not put a carbon fiber wing tube in it, or any other meaningful wing support and the few that have them had the wings buckle on first flight just flying level. The video of it looks like it was shot out of the sky by a 50 cal machine gun with wing pieces flying everywhere. Apparently it was designed by a 3rd year law student who thought he could save a few bucks and no one from the manufacturer ever bothered to test fly one before selling them.
    Ohhhhhhh man! Thanks for the intel! I'll be sure to do some homework before I dive into an A-10 again. I just know I want a bigger one at some point in time.

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    • Had a blast flying 3 ship warbird formation with a quad in tow to film the action Click image for larger version

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      YouTube: https://www.youtube.com/user/motionsic
      Facebook: https://www.facebook.com/FPVAirCombat
      Instagram: https://www.instagram.com/fpvaircombat/channel/

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      • Originally posted by Turbinefancy View Post
        Had a blast flying 3 ship warbird formation...
        TF, Great Photograph. Bravo Zulu. Best, LB
        "I am having an extraordinary ordinary life."
        ~Lucky B*st*rd~

        "You just need the will to do what the other guy wouldn't."
        ~Keyser Soze~

        AMA#116446

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        • Originally posted by Turbinefancy View Post
          Had a blast flying 3 ship warbird formation with a quad in tow to film the action Click image for larger version

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          That's an awesome picture. Would love to see the video of that flight!

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          • Most of the time lately, I stop and think. What should I fly today War Birds, Jets, Twins, Bi Planes. etc. LOL!!!! Hear are the ones I took out today temp early this morning in the 30's winds 5 to 10 fairly nice but COLD. I put a couple flights on each one. and helped my older brother with his planes too. Might take a few Bi-Planes out tomorrow and the B-24 Liberator

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            • This morning I took out my E-Flite P-51 1.5m to give it a test flight. Last night I clipped the wings 4&1/8th" on each side. It's total wing span is now 1295mm/51inches. It was windy but the new clipped wing flew great! I was surprised how much the handling didn't change by clipping the wings. Now i'm just waiting for a nicer day to really put it through it's paces.

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              • Nine times out of ten, when you clip any wing span on a plane, it will increase the roll rate, speed, and make it more maneuverable, but most of the time you loose a little stability. These are a few tings a learned from my Uncle, who is an Aeronautical Engineer. I think the Mustang looks better with the wings clipped. I test flew one for a friend of mine, who actually is not ready for this style War bird. I flew it twice to trim it out, he has since decided to park it until he gets more experience flying. I see you went to a two bladed prop on yours, looks more like a Reno Racer. I have a Dago Red and a Strega Q 40 I seldom fly any more. both with Nelson 40's
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                • Originally posted by Wild Man View Post
                  Nine times out of ten, when you clip any wing span on a plane, it will increase the roll rate, speed, and make it more maneuverable, but most of the time you loose a little stability. These are a few tings a learned from my Uncle, who is an Aeronautical Engineer. I think the Mustang looks better with the wings clipped. I test flew one for a friend of mine, who actually is not ready for this style War bird. I flew it twice to trim it out, he has since decided to park it until he gets more experience flying. I see you went to a two bladed prop on yours, looks more like a Reno Racer. I have a Dago Red and a Strega Q 40 I seldom fly any more. both with Nelson 40's
                  It was amazing that the stability stayed about the same. It was pretty windy when i flew this morning so it was hard to get an honest judge of the speed changes. I am working on converting it to a reno racer!!! I wanted to get the 2 blade prop tested along with the clipped wings before i started re-finishing & painting it. I'll work on filling all the panel lines etc this winter and then i'll be painting it up as the Precious Metal P-51 Chrome & Yellow scheme.

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                  • Had the Mig 29 out yesterday to play around with an airspeed sensor I installed in the nose. All went well. I usually fly it clean but went up for a few with the full rack of 3D printed ordnance - looks pretty intimidating!

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                    • Originally posted by mshagg View Post
                      Had the Mig 29...All went well...went up for a few with the full rack of 3D printed ordnance - looks pretty intimidating!
                      MS, Bravo Zulu, Sir. Best, LB
                      "I am having an extraordinary ordinary life."
                      ~Lucky B*st*rd~

                      "You just need the will to do what the other guy wouldn't."
                      ~Keyser Soze~

                      AMA#116446

                      Comment


                      • Originally posted by mshagg View Post
                        Had the Mig 29 out yesterday to play around with an airspeed sensor I installed in the nose. All went well. I usually fly it clean but went up for a few with the full rack of 3D printed ordnance - looks pretty intimidating!
                        Did you get any measurements?

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                        • Originally posted by xviper View Post
                          Did you get any measurements?
                          Yes mate, just having a play around with the data to see if it can be presented in a useful manner in conjunction with some video footage. I'll share anything I come up with in the main thread (an example attached which shows air speed vs flap position).

                          Headline speeds around 160km/hr on an honest straight and level pass are probably already reasonably well understood by experienced modellers watching it in action. What's more interesting, to me anyway, is seeing what airspeeds are in play when flex becomes evident in the stab, what a sensible top speed might be for flaps etc.
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                          • Originally posted by mshagg View Post

                            Yes mate, just having a play around with the data to see if it can be presented in a useful manner in conjunction with some video footage. I'll share anything I come up with in the main thread (an example attached which shows air speed vs flap position).

                            Headline speeds around 160km/hr on an honest straight and level pass are probably already reasonably well understood by experienced modellers watching it in action. What's more interesting, to me anyway, is seeing what airspeeds are in play when flex becomes evident in the stab, what a sensible top speed might be for flaps etc.
                            Interesting. Probably best discussed in the MiG thread. Sorry for the diversion.

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                            • Two flights each today on the Tiny Trainer (1 FPV, 1 LOS), the Simple Scout, and the Stinger. 1 flight each on the Storch, Bushwacker, and Versawing. The Rebel didn't make it into the air, due to an issue noticed during preflight (the two sides of the elevator were not deflecting the same amount).

                              First flight on the Tiny Trainer was FPV start to finish, lasting about five minutes. The video is edited down to just under 3 minutes. It's definitely a fun variation in flying.

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                              • Flew a couple packs through my Blade 150S in the backyard last evening. Here's a screenshot from the hatcam vid (Mobius Mini 2 keycam)...

                                Backyard heli action 2020-11-28

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                                • Put a few more flights on the Roban 800 Bell 222 on Friday

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                                  • Maiden flight today on this GWS Skyhawk. Thanks to Callie, for the great Bahamas Defense Force graphics.Click image for larger version

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                                    • F106DeltaDart Amazing looking medical chopper!!!!!! Great photos as well.

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                                      • Got 4 flight in today on the Corsair, F-4, SU-30 and Spitfire #2, including the maiden. All the MRC aircraft flew outstanding, getting 9 minutes on the Corsair and over 10 on the Spitfire (with 40% left). Glad I got another Spitfire, it flies so well. I must have about 50 flights on the SU-30 and it still one of the toughest EDF's I have to land perfectly, definitely need to keep the throttle up or it drops like a rock. Take off on grass is less than outstanding as well. I still somewhat enjoy flying it, but only get just over 3 minutes on a RT 5500 and it seems I have to land just as I'm getting into it. My Freewing F-16/F18/F-4's/A-10 fly so much better, better flight times and are definitely more enjoyable to fly, but I still keep working at the SU-30 for some unknown reason. Another friend has the F-4 Sundowner in the picture (which believe it or not was given to him by a neighbor-I sure live in the wrong location), 8S with the inrunner, man does that sound and fly incredible. Mine still has the original 6S outrunner, still flies great but it's a whiner!

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                                        RudyD54 joined me with his Mig-29, Gripen, E-Flight P-51 and the F-22. Last time out he maidened the Mig and now after 6 flights he's a master. I hate him!!! Today he maidened the Gripen and the P-51. He has no fears when it comes to maiden flights and every time I see him he has at least 1 or 2 new planes to maiden. I want to be like Rudy when I grow up. And all these fit inside his Mini Cooper, how I have no idea. He's probably got a few dead bodies in there as well. I shot a video of the Gripen, which he'll post in that thread when I put it together, but that's one odd flying EDF and I had an impossible time seeing the orientation (he did as well and has much better eyesight than I do, but then I fly via braille). It's like a needle with wings.

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                                        And this is the F-18 I dream of owning, of course a turbine. I'll need to win the lottery (maybe 2 of them) before I can get one of these. But man, it flies so well and this is one bad boy I have absolutely no problem with as far as orientation. Hope Santa is listening!!


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                                        Hugh "Wildman" Wiedman
                                        Hangar: EDF's: Mig 29 TV "Cobra", A-10 Arctic, SU-27 90mm 8S:F22 Red Lion/EuroFighterBronzeTiger/F18 Canadian & Tiger Meet/F16/F4 Jolly Rodgers & Blue Angel, 80&90 TV Avanti, Viper, Stinger 90. Props: 1600 Corsair & Spitfire, B-24, 1700 P-51, 60" Beast & P2 Bipe, Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge

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                                        • Originally posted by 406PIlot View Post
                                          F106DeltaDart Amazing looking medical chopper!!!!!! Great photos as well.
                                          Thanks 406Pilot!

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