Center of Gravity is for the World Models super stunts 60
Can anyone tell me what the Center of Gravity is for the World Models super stunts 60 size? I bought one, i couldn't find it in the manual, and need the cg measurement and where it is measured from. btw i will planning to hook er up with 90 size engine
Posted on: 11/9/2007 11:44 AM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=6601017

RE: Wildhare Cap *Video*
awsome flying dude, she looks sexy as hell and the motor sounds as healthy as it could get. [sm=thumbs_up.gif][sm=thumbs_up.gif] Ahmed
Posted on: 5/13/2007 4:26 PM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5849443

RE: Da 50 plane?
87" ultra Rc Yak (EF previous yak design) is also another very good plane to go with DA50 . I have one and I love it. Ahmed
Posted on: 4/25/2007 11:42 PM by Author "xtdsm" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=5771433

RE: DA150 Will not start
umm, how about bad ignition switch or bad ignition battery !! have you check those. also, you might be simply flooding the engine, or at least in my case, if I ever forget to turn the ignition switch on, and attempt to start the engine, and after 4 or so flips I relize that the ignition was off, that's when it takes forever to start the engine, what I found out is when I do that mistake, I just leave the chock open and flip her as hard as I can, and she usually starts in 7-10 flips. good luck Ahmed
Posted on: 4/21/2007 3:43 PM by Author "xtdsm" in the forum "Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=5749277

RE: 87" Yak Rudder hinge pins broke
I have the same plane and never had a problem with the hinges it comes with, I have a freind who had a similar problem, the wires just slipped out, all the he did was put new wires and bent them from both ends so they won't come out again. good luck Ahmed
Posted on: 4/21/2007 3:33 PM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5749237

RE: Ultra RC 87" Yak Build and Fly
David, I don't think it's a single stack, if you were to look closely, it seems that it has dual stack, DA-100 maybe !! Ahmed
Posted on: 3/1/2007 12:12 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5493644

RE: Ultra RC 50cc Yak in action
Thanks for watching. you will love this plane, it is my second gasoline plane (first was GP 25% Yak) but this one is far better plane. This baby will spoil you bro. Ahmed
Posted on: 2/4/2007 5:22 PM by Author "xtdsm" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=5370798

RE: Ultra RC 50cc Yak in action
do you have divx and xvid codecs installed?
Posted on: 2/4/2007 9:45 AM by Author "xtdsm" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=5368975

RE: The BEST Smoke System
diamondave, good job bro. please go ahead and post a vid, I too got myself the same pump and I am sure I will need your help once I am done. thanks Ahmed
Posted on: 2/4/2007 6:48 AM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5368603

RE: Ultra RC 87" Yak Build and Fly
here is a vid of how she flys with DA50 and stock muffler. [link=http://www.flyinggiants.com/gallery/showphoto.php?photo=20467&cat=504]here she is[/link] thanks Ahmed
Posted on: 2/4/2007 6:43 AM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5368592

Ultra RC 50cc Yak in action
hello guys, I made a vid of my Ultra RC yak please go ahead and watch and let me know what you think [link=http://www.flyinggiants.com/gallery/showphoto.php?photo=20467&cat=504]50cc Yak[/link] thanks Ahmed
Posted on: 2/4/2007 6:36 AM by Author "xtdsm" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=5368581

RE: Which Yak???? help
stick with what you ordered. you made the right choice. Ahmed
Posted on: 1/7/2007 3:13 PM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5226205

RE: Ultra RC 87" Yak Build and Fly
Yeah that sure sucks. I mounted my DA with 2.5" stand offs and it was tail heavy till I moved most of the stuff up to the engine box. so I am thinking you should be fine (CG wise) and don't worry much about the prop sticking out a bit, it will actually fly better with the prop sticking out a bit, and it won't look unscale at all. Ahmed
Posted on: 12/31/2006 4:12 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5188535

RE: PAU/BME 87" Extra 330L - Build and Fly
great job as always Dave. Ahmed
Posted on: 12/18/2006 12:27 PM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5130704

RE: The new Lanier Edge 87"
Mashallah bro. [sm=thumbs_up.gif] I too love the landing Technique [;)] Ahmed
Posted on: 12/12/2006 7:03 AM by Author "xtdsm" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=5105987

RE: Ultra RC 87" Yak Build and Fly
it will fly perfect. it will as a matter of fact spoil you and make you not want to fly anything else (at least in the 50cc class) good luck with the build Ahmed [quote]ORIGINAL: AirWizard The UPS gods smiled on me today received the Yak with no scars or dents. I had a check it out before leaving town and all I can say is WoW!!!! I'm impressed with how lite it is.....makes my AM (TOC1) Yak feel like a tank, hope it flies as good. [/quote]
Posted on: 12/9/2006 3:49 AM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5093378

RE: Ultra R/C Giles 202 UL 29%
Did you use the manual for your travel rates? If your low rates are higher than what they should, or/and your high rates are not as high as they should, you will get wing stalls. Read the manual and adjust your elevators travel accordingly and see if that helps. Ahmed
Posted on: 12/8/2006 5:46 PM by Author "xtdsm" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=5091610

RE: Ultra RC 87" Yak Build and Fly
vfalcon7 looking good bro, but one thing that got me thinking, with all of that fluid up in front of the wing tube, between take off and landing, your CG will change a lot (both tanks are full, then when they get empty during flight). you might wanna rethink that. for me, I have one 16oz fuel tank, and trust me I could easily feel the plane getting tail heavy once I go below 1/2 a tank, and in your case, you have 50oz. just a thought. Ahmed
Posted on: 12/1/2006 3:33 AM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5061115

RE: Ultra RC 87" Yak Build and Fly
[quote]ORIGINAL: vfalcon7 Thanks for the good luck. I am trying the k1060 pipe for the first time. I also added a 24oz tank next to the other one for smoke. I will be putting the pump and a Fromeco 2400 for the pump up front to offset the pipes tail weight. What do you think? I will try to get some pictures on tomorrow. [/quote] ok so your setup is not as mine, the pipe will set your CG back a bit compared to stock or pitts muffler, so you will need as much weight as you could up front. and again, since you might end up having to put RX related stuff on the engine box, do a good range test with the engine on before flying, make sure you have a friend to help you out while range testing. good luck
Posted on: 11/30/2006 3:36 AM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5056952

RE: Ultra RC 87" Yak Build and Fly
Good luck with the maiden bro, we need to see some pics and vids tho :) you should not have any balancing issue, that's if you used DA50 with 2.5 stand offs and hang the ignition battery and the ignition as far on the engine box as possible and the RX battery just behind the fire wall, that's how I have mine mounted at and that without using any spinner and wooden prop with also no wheel pants and using the stock DA muffler (if you are using slimline muffler you might even be a bit on the nose heavy side, so if you mounted your batteries the way I had them mounted and used spinner or carbon fiber probe or both, then your CG should be spot on. mine is a bit on the tail heavy side, but she flies great there. bottom line is, don't sweat it trying to get the CG as per the manual, it could be more than an inch behind that and she will still fly great. Don’t forget to range test please with the engine on and off. Ahmed
Posted on: 11/29/2006 10:24 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5056127

RE: Ultra RC 87" Yak Build and Fly
Just put the wife to sleep and unhook the phone from the wall :) or use Pacer hinge glue [;)] [quote]ORIGINAL: jrjohn I guess I could elaborate a little more on why I don't like using epoxy for hinges. For some unknown reason using epoxy for hinges makes the phone ring, people come to the door, or my wife has an emergency everytime I start mixing a batch. Pacer hinge glue does not seem to have this effect on people. john [/quote]
Posted on: 11/26/2006 11:25 AM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5040574

RE: Ultra RC 87" Yak Build and Fly
you got that right Maudib. there is one bad thing about this plane, you would never be happy flying almost anything else, everything will feel so damn heavy comparing to her :) [quote]ORIGINAL: Maudib I just love it! This plane flies so light on the wing eh? [/quote]
Posted on: 11/25/2006 3:58 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5037817

RE: Ultra RC 87" Yak Build and Fly
Well guys, I thought I would keep you all motivated by showing another video of this Yak. and let me say this again, I am pretty new to this game (RC) so I am not good at it yet, but this plane just begs for rudder touches, harrier landings and rolling harriers, and to me, I just can't say no to that :) oh my camera man is new to shooting videos too. http://media.putfile.com/Ultra-RC-Yak Let me guys what you think Ahmed
Posted on: 11/25/2006 3:30 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5037738

RE: YAK 54 TOC1
some mad harriers you got in that video bro. I was waiting for a harrier landing toward the end tho [;)] good job Ahmed
Posted on: 11/25/2006 5:39 AM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5036381

RE: ultra rc yaks
http://www.rcuniverse.com/forum/m_5014636/tm.htm
Posted on: 11/22/2006 10:13 PM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5028842

RE: Ultra RC 87" Yak Build and Fly
The prop is about 1.5" from the cowl with the 2.5" stand offs. She balanced a bit on the tail heavy side with the Ignition battery and ignition hanging on the front edge of the engine box, and the RX battery about 2" away from the firewall in the fuselage. That’s with DA's stock muffler, wooden prop and no spinner and no wheel pants. Arvind you can ask as many question as you want bro, as well as anyone else for that matter. We are here to help each other aren't we? [;)] I had a couple of flights today, it was not windy at all which is something that I never experienced before (I started flying 6-7 months ago and today is my very first day to actually fly with very little to no wind) and let me guys tell you this, I have always wished that the wind would stop one day cause I thought flying would be a lot better, but I was wrong. The plane needs more rpm to do harriers and elevators or it will just drop like a stone from the sky. She also lands a lot faster with no wind. To be honest, I prefer to fly in mild windy days than no wind at all. The only good thing about calm days (to me at least) is the plane seems to torquerolls a lot easier. Ahmed
Posted on: 11/22/2006 1:58 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5027221

RE: Ultra RC 87" Yak Build and Fly
I don't have a lot of pics of the inside yet. This is what I have so far. I will be shooting some more pics shortly. In some of the pics you will notice some lame AZZ baffling and an ugly exit hole. I had overheating problems (hovering way too much and the weather here is just freaken hot) but after the baffling and enlarging the exit hole as well as adding a front lip to the exit hole to create a low pressure area, overheating has become history. [image]http://img104.imageshack.us/img104/1879/baffle2ne9.jpg[/image] [image]http://img501.imageshack.us/img501/411/cowlxu9.jpg[/image] [image]http://img501.imageshack.us/img501/852/exitmu2.jpg[/image] [image]http://img103.imageshack.us/img103/7759/frongyw9.jpg[/image] [image]http://img116.imageshack.us/img116/2227/nexttocomparfgw7.jpg[/image]
Posted on: 11/21/2006 3:15 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5023422

RE: Extreme Flight 87" Yak 54 - Build & Fly
Vinny, check your E mail. Ahmed
Posted on: 11/20/2006 2:27 PM by Author "xtdsm" in the forum "Giant Scale Aircraft - 3D & Aerobatic"
http://www.rcuniverse.com/forum/fb.asp?m=5018992

RE: Ultra RC 87" Yak Build and Fly
[quote]ORIGINAL: Maudib Gosh... you got me there... I wanna do it RIGHT NOW! But with weather in the midwest US... it's not likely to get flown anyway... On it I plan the BME 110 Extreme on dual canisters, 5945's on ailerons, and 5955's on the tail... single 4800 lion on the receiver and a 2400 on the ignition. I'd LIEK to see 25-26 lbs... should get there with the light engine... [/quote] I am not sure if I can wait that long, since over here (United Arab Emirates) winter is our flying season. We stop flying in summer cause it gets way too hot in summer. Anyway, if I ever get one before you get your done, I will make sure to let you know. I will be using DA100 tho, since this is all what could get around here, plus I just love DA. one more thing Maudib, how many servos are you going to be putting on Ailerons and rudder? Good luck with your build tho. Ahmed
Posted on: 11/20/2006 2:13 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5018950

RE: Which plane do u recommend to put a smoke system in?
That's a lot of smoke bro. good job Ahmed
Posted on: 11/20/2006 2:08 PM by Author "xtdsm" in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=5018931