RE: nitro planes SU-26 50CC specs

RE: nitro planes SU-26 50CC specs (Full Version)

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FOOPED -> RE: nitro planes SU-26 50CC specs (10/18/2008 11:49 PM)
Thanks Bobzila I Knew you were ahead of some of us on this plane. I am planning on making and glass a cowl ring inside of the cowl since you had to add weight to the nose. Might as well put the weight to good use. Have you flown it yet.

T3beatz -> RE: nitro planes SU-26 50CC specs (10/19/2008 12:02 AM)
Come on Bob, You have to give the plane a break! its 299.00 dollars... other planes in this class are 500- 650.00 dollars + shipping! I don't care what Arf you buy there is always something to upgrade or change... (To each his own). People have stated that the Manual sucks from the beginning... If This is your first big plane, get help... if not then you should be fine. most of these New Big arfs, only come with 2 spots for switches. Mostly behind the cow. If you have other setups in mind, be prepared to Make your own mounts... You also have to think, not every plane is going to come out bad, Out of the 100's sold, a lot of people that post on any plane on these threads have bad experiences, that's why they post... The people that get the good ones are to busy flying there cheap planes.[;)] Lets be real here, you go to Nitro Planes to find a cheap alternative into Giant scale... you go to Extreme flight to get something good, but you pay 750 bucks plane + shipping, and my friend still had some problems with his[8\|].. I know a guy who put an 85cc engine in a 30% airplane, and he said it flew great!!! 3 blade prop, He had to reinforce the Motor box, as anyone would... That would solve the weight issue, Dcoy is getting a 62cc from RCGF, and the extra weight should help him also... Bobzilla, How much money did you have to spend to Upgrade the plane to your standards? Have you flown it yet? If it was the wrong manual maybe the C.G. is off a lot? whats your AUW? By the way guys Nitro Planes is sold out of the SU-26...

FOOPED -> RE: nitro planes SU-26 50CC specs (10/19/2008 12:17 AM)
Tbeatz3 I sure am glad I got mine befour they sold out. I was alos thinking about the Yack red yellow and blue one does anyone have one.

bobzilla -> RE: nitro planes SU-26 50CC specs (10/19/2008 12:48 AM)
Some good points for some T3Beatz..but this is NOT my first giant scale..more like my 10th. Sure your right, at $299 you get what you pay for.but I would expect an decent manual covering the CORRECT items and CORRECT photos. Half the pictures used to illustrate are not even this same plane!! I mean...how hard is it to take a few BW pics, write up the build and print..Nitro planes SHOULD HAVE lots of experience here...but they failed big time on this one! YOur right again..I bought this arf because of price knowing it would be a cheap arf..(and from what I have seen from other NitroPlanes.most are). If you have ever built an AeroWorks or even TOC1(AviationModels), ChrisHanson arf you can appreciate what a good arf is, great instructions, great hardware, and great flying (yes, and not for $299..but $500+). I offered up my experience from building other arfs Giant Scale to help those that don't have that experience..and I hope they can use some little thing in a beneficial way. I upgraded tailwheel assby, axles (I DON'T do bolts and nuts like supplied), new thicker front plywood for motorbox, 2 plastic wing bolts with nuts, 2 blind nuts and 4-40 bolts, and a heck of a lot of extra gorilla glue, braces and triangle stock for motorbox. Less than $50. CG is on the front of wing tube..most likely the perfect spot for first flight. I feel the manual is right on this. Pics show the 2 servos (Throttle and choke) and my batteries on top of motor box to help get cg right.. If also shows that one 4 piece support bracket they give you (without any instructions of course). It fits into the pre-drilled holes on top of motor box..and then using either a blind nut or wood/plastic screw to give addition support to cowl. T3Beatz..if you want to see some of the Giant scale I have built and flown..please visit my Gallery: here is link: http://www.rcuniverse.com/community/profile.cfm?section=gallery&memid=119537

T3beatz -> RE: nitro planes SU-26 50CC specs (10/19/2008 5:28 AM)
I have one of the Yaks, Mine has a different color scheme but its the same plane (aeroworks copy)... A guy came to my field with the exact Nitro Planes one, and we compared them. No differences accept the color. They fly pretty good, I tried to break it by flying it really hard but it hung in there! Mine went together fine... had to go over it with some Med CA in a few spots for security. The cowling has the ring on the inside to hide the screws, the top two are easy to put in but the bottom ones you have to go through the inside of the cowling, and when the engine is in there its almost impossible to get to it!! I just dremeled out some holes by them so I can get a hex wrench up in there just fine... Other than that, I upgraded the hardware to Some large scale great planes stuff and a new great planes 4-40 deluxe pull pull system..( It came with 2-56 size rods!!! and plastic clevises LOL!!![:D]) It cost me about 35.00 extra bucks to finish the plane. I paid no shipping because my local Hobby shop had a few in stock from china.. Oh yeah, bob I knew it was not your first plane, I could tell by all the stuff you knew... I was just stating that "If This is your first big plane, get help... if not then you should be fine" for all the people that read this thread and this may be there first plane... And yes I do agree with you about the manual! maybe its the English thing? somebody just got lazy and didn't want to interpret!![sm=sleeping.gif] Oh, I checked out your gallery you have some nice planes! don't know which ones are yours though, there were a lot of pictures... but still they were nice. Here, is some video of it with the RCGF 65cc engine on it, no cow had to fix the engine mount bolt.... http://www.youtube.com/watch?v=j2d7N6Wvy5A One of the best things about these planes is, once you get all the bugs out and go flying your not as tense, because its a cheap beater plane to Huck around!! you can get 2 or 3 of these for the price of 1 of the Top name brand Arfs!! Great to learn 3D stuff on because your not as scared to do new things, and get low. You still feel bad when you crash them but not as bad as your friend who crashes his Aeroworks, or Extreme flight that he/she put 2500 dollars into!!![8D]

FOOPED -> RE: nitro planes SU-26 50CC specs (10/19/2008 6:54 AM)
THANKS BOBZILA AND T3BEATZ FOR ALL THE ADVICE AND INFO. THIS IS THE BEST WAY I HAVE FOUND TO GET EVERYONES IDEALS AND VIEWS . THERE IS NOTHING BETTER THAN HAVING MORE HEADS WORKING ON THE SAME THING AND THIS SURE HELPS THE NEW FOLKS TO GIANT SCALE PLANES,MAY WE ALL HAVE GOOD LEARNING EXPECTATIONS WITHOUT THE FAILURES OF NOT SEEING A FUTURE BUILDING FLAW. BOBZILA IF YOU HAVE MORE PICKS OF YOUR FIREWALL INSTALL I WOULD LIKE TO SEE THEM. THANKS

T3beatz -> RE: nitro planes SU-26 50CC specs (10/19/2008 10:08 AM)
So, what are the rest of your guys opinions on this plane so far? How are your builds going? any snags yet? So far the only real problems that I've seen are the Manual, and The plane might be a little Tail heavy... you never want to have to put dead weight on a plane! Sometimes its good to learn to build an ARF of this type, because when you do move up to the More expensive ones you can appreciate them more, you know more about building them and you know what to look for once you move up... The Aeroworks yak is one of those, I hear its the Cream of the crop when it comes to building an ARF. Its quick-build so its already hinged and glued!! most things done for you, great hardware, good flying plane... If you drive a Bentley first and then go out and Drive a Cadillac, It just wont be the same. But think of that in reverse ... (A Cadillac might drive great and ride smooth) But its going to be missing a lot of the things that Bentley has, On top of that there is the name you pay for also... To a man that can't fly most planes fly like S%@T![;)]... But I bet if you got that same man Behind the sticks of a plane that everyone likes and it flys like a dream... Its great to listen to others build opinions, But when it comes to how a plane flys Don't listen to just anyone... Every man flys different, holds the controls different, Have different C.Gs and preferences. Some people want planes to fly them selves!! If someone flew my Yak-54 they might even say it flys horrible just because of the way I have it set up, CG, Expo, etc... Its all in the eyes of the beholder...

DCoy70 -> RE: nitro planes SU-26 50CC specs (10/24/2008 12:50 AM)
Any more pics on the plane, have you flown it yet Bobzilla?

bobzilla -> RE: nitro planes SU-26 50CC specs (10/26/2008 4:54 AM)
Any of you putting in a DA-50 (or similar weight clone) be prepared for a SHOCK.. The plane is extremely tail heavy. It will take nearly 2lbs of weight on motor box to get to a flying good cg. I flew mine tail heavy today..thinking my superior skills (haha), I could land it..and I did but it as a nightmare. I will be extending the stock da-50 standoff an additional inch to 4" and making them out of 3/4" brass round stock. This will be in addition to the 5cell 4200nimh mounted on top of fire box. This puts nearly 2 lbs up front. I'll report back in next couple days, how it flys then. bobzilla

T3beatz -> RE: nitro planes SU-26 50CC specs (10/26/2008 5:37 AM)
wow,,, that sucks!! maybe that 85cc would come in handy after all...LOL!![:)]

bobzilla -> RE: nitro planes SU-26 50CC specs (10/26/2008 7:57 AM)
Or at least a g-62!!!

T3beatz -> RE: nitro planes SU-26 50CC specs (10/26/2008 8:19 AM)
Yep,... I would recommend the RCGF 62, or 65... for this plane... more weight than a 50cc to help balance the plane out, but more power also. Lets see how many others run into the same Tale problem as you Bob... Then we can rule out you getting a bad one...

bobzilla -> RE: nitro planes SU-26 50CC specs (10/26/2008 8:34 AM)
I am also thinking that do electric motor on this plane may be a pain..as you would have to add so much more nose weight. I have an old-style 3w60 that I might swap out with the da-50 if my fixes do not work.

z06kal -> RE: nitro planes SU-26 50CC specs (10/28/2008 6:45 AM)
Bob my plan is to slide the battery packs all the way into the motor box up to the nose. That should put plenty of weight there. The packs are about 3lbs and the motor is about 2.

T3beatz -> RE: nitro planes SU-26 50CC specs (10/28/2008 6:50 AM)
What motor do you have? At 2lbs thats a light one... Change out the tailwheel with a lighter one will help alot.

OldFart1 -> RE: nitro planes SU-26 50CC specs (10/29/2008 7:48 PM)
Hmm, I just inherited a ZDZ 50NG today (free!) - this might be a good choice. Curious as to how it compares to the Nitroplanes Yak-54 in quality. I have the Nitroplanes F6F Hellcat - it's definately not a high end ARF, but a great "bang for the buck"

sgoen -> RE: nitro planes SU-26 50CC specs (10/31/2008 10:58 AM)
Bobzilla, I was wondering if you have maden the SU-26? How did it fly? Did you have to add 2 lbs of weight tot he nose to get it to balance?

FOOPED -> RE: nitro planes SU-26 50CC specs (11/5/2008 1:34 AM)
Bobzila I like the ideal of the brass standoffs. Did you have to go to a machine shop and have them made. I also wonder if you could have a fly wheel made and put on the frount of the engine. Would this cause a stress on the ft bearing. I have used wt on small engines and I noticested that they always idoled smoother and less vibration. Have you flown the SU 26 with the added wt.

DCoy70 -> RE: nitro planes SU-26 50CC specs (11/6/2008 3:23 PM)
Well guys, I shold be receiving the 62cc RCFG by tommorow, and now I have everything ready to go, I have been working on my first trailer, 6x12 and customizing it for RC, I will post some pics of that also. Please if anyone has flown this bird, let us know how is flying. Thanks

DCoy70 -> RE: nitro planes SU-26 50CC specs (11/7/2008 4:56 PM)
Hey guys, just finished making the some decals for the plane in photoshop, if anyone wants the full size images, let me know. The gradients you see inside the K or other areas does not break up in the full file, is a smooth transition of color. [:D] Let me know what you think, Thanks

bobzilla -> RE: nitro planes SU-26 50CC specs (11/8/2008 9:06 PM)
Today I re-flew the su-26. With 2 batteries setting on top of motor box 4200 nimh sub-c and a 2100-4cell for ignition. I remounted the da-50 on solid brass standoff 3/4" stock and made them 4" instead of 3". This brought the plane exactly on the stated cg..not tail nor nose (but I do like to be nose heavy slightly). The plane flew OK..but not as crisp and sharp as my former SD-models 30% YAK. The lateral balance was off..and I had to add 4oz to the right wingtip. CG check in air..(45 degrees, upside down, throttle off..the plane just noses down slightly and slowly indicating exactly what I saw on the ground as to where cg was. Plane flys great upside down..1 click of up) and knife edge is awesome..no mix or correction needed (only 3/4 of full throw needed to hold a level pass). Make sure you put the landing gear on correctly as shown in the manual..with it facing forward..not swept backwards. For $299, I am happy with plane now, but this took a whole lot of more thinking in building and balancing than any other plane I have ever owned..(and that's alot). Total weight added to front was approximate 3 lbs. If you plan on using a light 50cc engine, be prepared to add weight to frount of plane, anyway you can. If you cannot get the cg right as to what is stated in manual.. you will have an extremely tail heavy plane and one handfull when you get her up! Here is a pic of plane www.evflyers.org bobzilla

DCoy70 -> RE: nitro planes SU-26 50CC specs (11/9/2008 4:15 PM)
Bobzilla, did you by any chance make a template for the engine mount before mounting. I will be installing a 62cc but the dimensions look very similar, since I also have a DA50, let me know, THanks

bobzilla -> RE: nitro planes SU-26 50CC specs (11/9/2008 5:49 PM)
The engine template comes with a DA-50 or you can download from DesertAircraft. Of course, for a g-62 its is quite different. I think a g-62 would be the perfect engine for the plane!

T3beatz -> RE: nitro planes SU-26 50CC specs (11/9/2008 10:10 PM)
Hey Dcoy, How does that RCGF Look? are some of the measurements the same as the DA/DL engines? Muffler, mounting, prop bolts, etc... I plan on getting one for next summer and I want to put a Can on it so I'm trying to find out the specs on mounting mufflers now. Henry has all the measurements on his web site, but DA doesn't, so I'm not sure how they will match up.

Mr.FiberOptic -> RE: nitro planes SU-26 50CC specs (11/11/2008 11:01 AM)
[8D]i bought this plane for the price also. i had a giant scale 95" span plane and was paying a builder to build it but sold all my planes including that big one. had a Zenoah G-62 to put in it and it was bigger than this Sukhoi is. i read that the Zenoah G-62 will pull a 40lb. plane with a 22x10 prop. so i'm confident it will pull the 17lb. Sukhoi. i bought the Sukhoi before it sold out too. i replaced the 3 1/4" plastic hub foam wheels that came with the Sukhoi With Sullivan 4" rubber treaded aluminum hub wheels and im not using the wheelpants. using axles and wheelcollars instead of the bolts. im surprised to find out that the landing gear is plastic, at first i thought it was aluminum til i drilled out the holes for the axles. maybe aluminum landing gear will help a little on the CG weight but not much i'm guessing [;)]. i will also be painting the landing gear either a polished steel or aluminum color to look like a Fullscale SU-26 i seen on wikipedia. the Sullivan wheels look pretty good. but the aluminum hubs are not installed. you have to drill out the rubber for the hub screws. using 2" axles and they are too long so i will shorten them. not sure what the Zenoah G-62 weight is compared to the other engines you guys are using. i'm going to use a Futaba 7c 2.4Ghz radio and receiver since i havent owned one before and like the idea of not worrying about frequency tags :) . was told by Futaba tech support that 2 receiver batteries is a good idea. 2-3000Mah 5-cell 6Volt batteries should work. they told me that 2 6volt receiver batteries pluged into different channels on the receiver would still be 6 volts to the receiver. the servo's i plan on using are Towerhobbies TS-150 for the ailerons and elevators each servo is 193oz. in. torque. i bought 6 so i could install 2 for the rudder but Futaba tech support said it's a good idea to go buy the manual recommendations of a total of 500oz. in. on the rudder so the two TS-150's won't be sufficient for the rudder unless i add a third servo and i decided not to use the other 2 on the rudder. instead i plan on buying 2 Hobbico CS-170's at 333oz.in. torque each which should provide 666oz.in. [:D] since it recommends 3000Mah receiver batteries for ultra torgue servo's and these cs-170's are ultra torque then that is what i plan on going with. as for the ignition battery. the manual for the Zenoah engine doesn't say anything about an ignition battery being needed. i thought that the magneto on these engines was supposed to eliminate the need for any battery. didnt need any battery for the ATV motorcycles i owned. other engines require an ignition battery, why is that? just need a kill switch is all. you can buy a Sullivan engine generator to put on the Zenoah G-62 to charge your receiver batteries while in flight so you dont need to charge them after every or everyother flight, cool huh. never tryed one of them, i might buy one. also the Zenoah G-62has a Spring start mechanism available that i plan on getting since i had one on that engine before. never started one before but should work well i think. 2 brands made for the spring start. i will buy the engine from Chief Aircraft and also the Thunder Tiger wing and stab and aluminum tube bag set from Chief Aircraft. will get the pitts muffler for the Zenoah also. should add nose weight hopefully if needed was planning on buying all this before reading your post but now after reading your info which is very helpful guys thnx very much for the input. which guides me to put the batteries up front under the cowl also [sm=thumbs_up.gif]. i cut a piece of ply out that is the same thickness as the rudder doublers to install the throttle servo(Towerhobbies TS-69 standard) next to the fuel tank and had to widen the slot for the servos to even fit. now i guess i should get a second servo for the choke to put on the other side of the tank. looks like i will be making another servo mount doubler. why use gorilla glue. 30minute epoxy is strong and seeps into wood well is also light weight. i tryed gorilla glue on some marble chess pieces and it wouldn't hold so i used CA glue with accelerator and hold was instant. if gorilla glue works for you then have at it :). the pin point hinges say to use epoxy but i found some hinge glue that i was thinking of using. it doesn't get hard and brittle like epoxy from what the label tells me. should i try it or go with epoxy on the hinges. i hate CA hinges and never used the pin point hinges before. i bought some plastic compatable oil for the hingepoint. i forget what brand it was but i think you can find it at towerhobbies.com . i bought the sullivan aluminum hub wheels from advantagehobby.com . my monokote or whatever coating they used is getting wrinkly just sitting here. any tips on smoothing this out, haven't dealt with monokote since i built the Greatplanes learjet a few years back. anyways i won't have money for the engine or the futaba radio til next spring since i plan on spending money for xmas gifts this year. take care guys. and remember "there are 2 kinds of pilots, those that have crashed and those that will" [:)]. peace

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