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RE: RedWing MX2 Build
I have a question about this plane (and really the "sister sbach")..
I´m competently flying my greatplanes extra300 sp http://www.greatplanes.com/performan.../gpma1022.html which is a 40 size acrobatic plane sold as a "mini big plane".. ie its "ment" to fly like a large gasser.. but be small.. I cant be sure of this as i´ve never flown a gasser.. I´ve had the extra a year now and only damaged it on 2 ocasions, one due to a deadstick downwind and I just COULDNT make it back to the club and landed in a neigbouring field (covering torn only) and this weekend I tried to slow my landings RIGHT down and pancaked at the head of the runway, tearing off the UC... but I was "pushing" it way close to its stall speed.. something you jsut dont do on a maiden... As this extra is the largest plane in my club, which is very heli biased.. will I find it too hard in maidening one of these 30cc kits without other gas plane pilots around? Ie would I need to attack the landing in a differnet maner.. expect something very different.. or will it just be the case of carry on doing as I do and treat it like any other maiden? (ie with care, respect, prethought etc etc) I am a very cautios pilot, not the kind to take a plane out of hte box and jump into 3d.. my maidens gernerally are, take off. gain decent height, trim out. and use the flight time to practice "imaginary touch and go´s" on an imaginary runway 2 or 3 meters above the real one.. that way theres no shocks when I do want ot come down.. i´ll do this, each time exceting left then right..so it ends up being "8" ish so there should be some turns in all directions, etc etc.. 2nd and 3d flight i´ll try more things out though, but again just getting used to the plane. |
RE: RedWing MX2 Build
ORIGINAL: ceecrb1 I have a question about this plane (and really the ''sister sbach'').. I´m competently flying my greatplanes extra300 sp http://www.greatplanes.com/performan.../gpma1022.html which is a 40 size acrobatic plane sold as a ''mini big plane''.. ie its ''ment'' to fly like a large gasser.. but be small.. I cant be sure of this as i´ve never flown a gasser.. I´ve had the extra a year now and only damaged it on 2 ocasions, one due to a deadstick downwind and I just COULDNT make it back to the club and landed in a neigbouring field (covering torn only) and this weekend I tried to slow my landings RIGHT down and pancaked at the head of the runway, tearing off the UC... but I was ''pushing'' it way close to its stall speed.. something you jsut dont do on a maiden... As this extra is the largest plane in my club, which is very heli biased.. will I find it too hard in maidening one of these 30cc kits without other gas plane pilots around? Ie would I need to attack the landing in a differnet maner.. expect something very different.. or will it just be the case of carry on doing as I do and treat it like any other maiden? (ie with care, respect, prethought etc etc) I am a very cautios pilot, not the kind to take a plane out of hte box and jump into 3d.. my maidens gernerally are, take off. gain decent height, trim out. and use the flight time to practice ''imaginary touch and go´s'' on an imaginary runway 2 or 3 meters above the real one.. that way theres no shocks when I do want ot come down.. i´ll do this, each time exceting left then right..so it ends up being ''8'' ish so there should be some turns in all directions, etc etc.. 2nd and 3d flight i´ll try more things out though, but again just getting used to the plane. I feel Redwings 30% models fly very similar to any 1.20-1.60 ci.(20-26cc) planes. The MX have a very slow stall speed (it floats a lot in a strong headwind) so it's very docile during landing. If you can fly a 40-60 low wing model it should not be any problem. In any case it seems you have a good structured approach at doing your maiden flights. As long as you feel confident you will find is not much different than your 40. |
RE: RedWing MX2 Build
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I am moving along on the landing gear repair work. It"s almost done practically all I need left is to recover the damaged area. The repairs were easier than I though. The first photo shows the damaged area before I started the rebuild. You will note former F-3 was completely broken and the right support for the aluminum bracket was torn off, and the left one broke off taking the whole longeron.
I took all the pieces I was able to recover and CA glued them together like a jigsaw puzzle (photo #2). I traced the reconstructed parts on 1/8" lite ply and cut them in my jigsaw (Photo #3). That was the most time consuming part. After the replacement parts were cut they need some fitting and small adjustments before epoxying them in place. Before adding the main gear plate together I reinforced all joints and splice lines with some 1/32" ply pieces and .25 oz. per sq. ft. Kevlar tissue reinforcements and a couple coats of epoxy. I believe I will have it all ready before I receive the new servos and if the weather holds as good as it has been lately I may retest the plane this coming weekend. |
RE: RedWing MX2 Build
Nice work Airtech....I have a couple that you could repair for me. :D
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RE: RedWing MX2 Build
ORIGINAL: Johnny_Zero Nice work Airtech....I have a couple that you could repair for me. :D |
RE: RedWing MX2 Build
Well its decided. I´m getting one. No going back now.
Today I´ve ordered: 5 HD DS090M Servos. 1 HD DS120M Servo (rudder). 2 Switches. 2 5A UBEC. Fuel tube. braiding wire cover (I like my installs to be "rolls royce clean") 2 Props (18x6 to start with). Spinner. Fuel filter. Servo wire to extend to servos (I dont like using extensions, more connectors is more fail points, i preffer to cut and soulder insert in the middle of a servo wire the measured length needed). RXexl Opto kill switch. RXexl on-board tacho. So now i´m only needing the airframe and motor (will order in 2 weeks time) and a filling tank (will get a can from gas station and build something up to my liking, lukily my old hand pump, which is collecting dust, is gas compatible). The only thing I have to source is the manual´s stated: "quality petrolim based oil" for running in the motor. I can only find synthetic.. but thats EVERYWHERE!! Other than that, Will one 3S 2200mah Lipos be fine to power both ubec´s/ systems?? I have so many here for my Trex 450 and I even have some decent brand ones I can trust and are well tested. Look out. build log to come!! |
RE: RedWing MX2 Build
ORIGINAL: Tseres ORIGINAL: Johnny_Zero Nice work Airtech....I have a couple that you could repair for me. :D |
RE: RedWing MX2 Build
ORIGINAL: AirTech ORIGINAL: Tseres ORIGINAL: Johnny_Zero Nice work Airtech....I have a couple that you could repair for me. :D Agreed: this is what I did to my extra 300sp this weekend.... was painfull to watch it belly slide along the runway when the UC fell out from under it.. http://picasaweb.google.es/ceecrb1/Extrafix |
RE: RedWing MX2 Build
ORIGINAL: ceecrb1 Well its decided. I´m getting one. No going back now. Today I´ve ordered: 5 HD DS090M Servos. 1 HD DS120M Servo (rudder). 2 Switches. 2 5A UBEC. Fuel tube. braiding wire cover (I like my installs to be ''rolls royce clean'') 2 Props (18x6 to start with). Spinner. Fuel filter. Servo wire to extend to servos (I dont like using extensions, more connectors is more fail points, i preffer to cut and soulder insert in the middle of a servo wire the measured length needed). RXexl Opto kill switch. RXexl on-board tacho. So now i´m only needing the airframe and motor (will order in 2 weeks time) and a filling tank (will get a can from gas station and build something up to my liking, lukily my old hand pump, which is collecting dust, is gas compatible). The only thing I have to source is the manual´s stated: ''quality petrolim based oil'' for running in the motor. I can only find synthetic.. but thats EVERYWHERE!! Other than that, Will one 3S 2200mah Lipos be fine to power both ubec´s/ systems?? I have so many here for my Trex 450 and I even have some decent brand ones I can trust and are well tested. Look out. build log to come!! I see you are having trouble on finding a suitable oil for your engine. You are lucky to be over in Europe. The most knowledgeable authority in gas engines is right over in the Netherlands. His name is Pe Reivers at [link=http://www.mvvs.nl/]Pe Reivers Model Engines[/link]. He specializes in MVVS engines but he is a all around knowledge database when it comes to petrol engines. Check out his oil chart under the Petrol Engines tab, is a very extensive list that will provide you with alternatives to be found in your area. There is also a real good paper written by Mark Lawrence tittled [link=http://motorcycleinfo.calsci.com/Oils1.html]All About Oils[/link] which is very informative. Here in the USA the best oil I have ever tried was Mobil1 2T Racing oil which now is discontinued. Reivers sell two very good alternatives, one is Putoline RS959 two stroke racing oil, and he also stocks the original MVVS oil that is made by Mobil. Don't be afraid to use fully synthetic oils all the way from the break-in period. The use of organic based oils for break-in was an obsolete practice because of the lack of high quality synthetic oils in the past. The only difference is that during the break-in period you will need to run a higher oil concentration (i.e. 32:1 during break-in and 40:1 thereafter. Looking forward to your build log, hope you start soon. |
RE: RedWing MX2 Build
yeah heres my extra install..
http://www.rcuniverse.com/forum/fb.asp?m=9771273 the braiding just keeps everything together.. I HAVE seen in other peoples messy installs, servo arms dissconnect servo wires etc as nothing was tied down.. I also use small rubber numbers for marking cables, each one to denote the channel number.. That way if I have to swap anything out for any reason... there is minimal fuss. also the wing servos are numbered channels 1 and 6, as are the female connectors in the plane, so no excuse to mix them up.. too many people wrap a nasty bit of tape round a wire and scribble a number on it.. these numebers cost me about 1 euro per digit.. with packs of 100 numbers. notice also my knotted then connected + ziptied to fuse, futaba connector from the lipo... that aint undoing under vibrations. I´m using the 6MM braiding from hobbycity... it also covers fuel line perfectly.. I especially use it on the carb line and vent line on nitros as they generally end up rubbing on something... Just cut it and INSTANTLY melt the end just a tiny bit wiht a lighter and it doesnt open up and fray. and dont forget to melt the end from the "roll" u just cut. or you´ll loose 20cm by the next time you take it. |
RE: RedWing MX2 Build
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Here is also the braid used to tidy up the trex 450.
Just works a treat!!! |
RE: RedWing MX2 Build
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ORIGINAL: ceecrb1 Here is also the braid used to tidy up the trex 450. Just works a treat!!! On the photo example I show a mini servo which I sleeved the entire servo wire and extension because it was very short. There are also examples of the tools and materials one need to fabricate the extensions. |
RE: RedWing MX2 Build
Hey Raf. Quit playing around with wiring and finish the plane.
I can loan you some servos till you get yours. I want o fly it.[sm=biggrin.gif] |
RE: RedWing MX2 Build
ORIGINAL: Tseres Hey Raf. Quit playing around with wiring and finish the plane. I can loan you some servos till you get yours. I want o fly it.[sm=biggrin.gif] OK...OK.... [sm=spinnyeyes.gif] I am not messing with the wiring I am waiting for the servos and the covering Tim is sending me. In any case as soon as I get the servos I will use some Monokote that almost matches so that we can fly the plane. I'll call you as soon as I'm done. |
RE: RedWing MX2 Build
ORIGINAL: AirTech ORIGINAL: Tseres Hey Raf. Quit playing around with wiring and finish the plane. I can loan you some servos till you get yours. I want o fly it.[sm=biggrin.gif] OK...OK.... [sm=spinnyeyes.gif] I am not messing with the wiring I am waiting for the servos and the covering Tim is sending me. In any case as soon as I get the servos I will use some Monokote that almost matches so that we can fly the plane. I'll call you as soon as I'm done. |
RE: RedWing MX2 Build
Never mind. I do have some read but it's the transparent kind.
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RE: RedWing MX2 Build
ORIGINAL: Tseres Never mind. I do have some read but it's the transparent kind. |
RE: RedWing MX2 Build
Question. Did your rudder horns fit into the slots on the rudder without a lot of hacking? No way mine are going to. They go in and stop before the other side even starts coming out the other side. Thought I would ask before I started hacking.
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RE: RedWing MX2 Build
ORIGINAL: JVB Question. Did your rudder horns fit into the slots on the rudder without a lot of hacking? No way mine are going to. They go in and stop before the other side even starts coming out the other side. Thought I would ask before I started hacking. |
RE: RedWing MX2 Build
ORIGINAL: JVB Question. Did your rudder horns fit into the slots on the rudder without a lot of hacking? No way mine are going to. They go in and stop before the other side even starts coming out the other side. Thought I would ask before I started hacking. http://www.rcuniverse.com/magazine/a...rticle_id=1285 |
RE: RedWing MX2 Build
Hey John
Yeah, that's actually on the video. It was slight enough that I used the horn itself to scratch a little of the wood out. I would recommend a file! :) I didn't feel like stopping the camera and getting one though, ha! |
RE: RedWing MX2 Build
Too funny......I hate to stop and use a file sometimes myself. I worked in my Grandfather's machine shop starting when I was in 8th grade. The first "machine" I ever ran was a File! [X(]
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RE: RedWing MX2 Build
Files are handy tools. Especially if you know how to use them. I also learned to use them in a machine shop. [sm=thumbs_up.gif]
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RE: RedWing MX2 Build
Just completed my new MX2 and flew it 6 times yesterday. I purchased plane, engine and servos from RedWing RC and the service was excellent.
Engine JC28 Servos Power HD S090M on all flight controls Using 2 Li Ion 2600 battery packs located in the engine box. CG is at 5.25" Ignition and Futaba 8 channel 2.4 ghz receiver using 6 volts Thanks to Tim @ RedWing for his info on the CG. Plane flies great and tracks straight. |
RE: RedWing MX2 Build
ORIGINAL: Johnny_Zero ORIGINAL: JVB Question. Did your rudder horns fit into the slots on the rudder without a lot of hacking? No way mine are going to. They go in and stop before the other side even starts coming out the other side. Thought I would ask before I started hacking. http://www.rcuniverse.com/magazine/a...rticle_id=1285 |
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