RE: FEJ BAe Hawk 1:4,5 -CG
[quote]ORIGINAL: Ali Stunning work on that Cockpit. My centre of gravity test for the hawk is to have it assembled with no fuel but hopper full. Tilt it so the nose wheel is off the floor and the rear ventral fins are just touching the ground. Release the rudder and the nose should drop down to the ground nice and gently. This is a safe setting, you can fine tune from there. I have flown with Hawks where when I do this test the back stays on the ground but I found it too sensitive on the elevator. If the nose falls to the ground hard, I found it a little nose heavy, which was not too much of a problem with the Hawk, it just means a slightly faster landing speed. I hope this helps? Regards Al [/quote] If you are looking for an actual point to start with Ali's great way of doing this....look at about 230mm from the front tip of the wing root, NOT the fuse farings. If you do use a CG structure, be certain to take the vertical stands out the end of the main outer gear door since there is some good structure there to settle the weight of the plane on. What Ali is saying is a great way but this might give you a starting point if you are wanting a measurement. Rex
Posted on: 5/22/2013 10:56 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11519390

RE: How to get a refund from Fly Eagle Jets?
[quote]ORIGINAL: oneaew@msn.com i think lowell schould stop trying to be a middle man for the chiness and the american people schould stop buying overseas items i try very hard to buy american and watch the dog food>> all people overseas are sneaks as far as i can see i dont know how you people can put up with lowell helping the chinese [/quote] LOL...you must not shop at Walmart or just about any other chain department store! Rex
Posted on: 5/22/2013 7:58 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11519197

RE: CARF Ultra Lighting
Absolutely a winner all the way around! The Lighting is such a proven airframe, rock solid in all speed ranges. I put 200 flights on mine, sold it because someone offered waaay too much cash for it on the spot...missed it ever since. Been thinking about another one again.:) Rex
Posted on: 5/18/2013 6:27 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11515546

RE: FE F-16 1:5.5 Whos got one
Bill, I am sending you a pm with my cell number. I am traveling for business right now, in PHX and heading to DFW this afternoon. I'll try and call when I get some time at the airport. In the meantime, the FEJ 1/5.5 is absolutely a great airframe. I have built the early ones before Honeycomb and also with the honeycomb. Yes, the first production ones were quite heavy but flew like a dream and felt extremely light in the air. There are ton of videos of my Arctic Aggressor F-16 on Youtube and RCU Videos and KY Jets from 3 years ago. My original one was 71 lbs wet and now has over 200 flights and still going after more than 3 years. I did get Matrix to build a custom gear since there were issues early on with the FEJ gear. Now, with their newer design and the fact that the 1/5.5 and 1/4.6 have electric gears...they are really a great way to go for sure. The construction quality of the FEJ planes is fantastic. They vacuum bag their layups and all their former "marriages" to the airframes, wing spars, servo box setups are very well proven to be high quality. I'll touch base soon. Rex
Posted on: 9/17/2012 11:39 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11231302

RE: Which large hawk?
But you still are a SM dealer! The FEJ Hawk is a great airframe for sure. Have built 6 now and flown all but one for others. Started building and flying them almost 3 years ago when they first came out. From day one they were fantastic, even before the Honeycomb construction. I have one on the bench right now and I see so much in the way of quality and clean layups. It's a great airframe to put together. So many of these are in the air now with well over 100 flights on the airframes. You cannot beat the Stab setup either as far as robust in design and strength. I don't know about the overseas markets as far as customer service but here in the US, it is absolutely wonderful. Best of luck on your Hawk selection. Rex
Posted on: 9/2/2012 7:43 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11215127

RE: Honeycomb
Pete, I thought the same thing on the repairs for honeycomb UNTIL I did a pretty big repair on a friends Hawk that got loose in his Trailer on the ride home from MS AB event. I did it at Jets Over KY, repaired the whole back section of the FEJ Hawk at the Speed Brake hatch. It was incredibly easy to get a strong bond with the CF and FG cloth and then filling and sanding the outside was a snap too. I was proven wrong on this one. Now, a wing might be a different story since inside access would be tough for sure. But this saved the Fuse and we flew it several times 24 hours after the repair. The paint wasn't touched up but it was super strong again. Rex
Posted on: 9/2/2012 5:37 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11214262

RE: Landing Lights
[quote]ORIGINAL: FenderBean Yeah Dan has a good setup [/quote] +1 on Dan at Details4scale. I've used his Landing light on (4) FEJ 1/4.5 Hawk builds...top quality and easy to program into the gear switch with his programmer unit. Rex
Posted on: 8/1/2012 7:47 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11177929

RE: Fly Eagle F-16 1:4.6 Advance, wow
[quote]ORIGINAL: FenderBean I got a Kasama Srimok 90 helicopter before they had worked out the kinks. It had horrible vibrations, the fuel would boil and the tailboom supports would blur. They eventually released some mods/upgrades that fixed it but what a pain. It is an amazing heli with lots of thought put into it but I lost interest in since my Vibe SG was kicking some butt [:D] [quote]ORIGINAL: dubd [quote]ORIGINAL: FenderBean The hobby and wife are kept apart for this very reason [:D] I would like to get one but im tapped out for awhile plus I made the mistake of jumping on a new product and wished I had waited for the bugs to be worked out. [:'(] [/quote] Which product is that? [/quote] [/quote] LOL...crickets! Love it!
Posted on: 8/1/2012 7:44 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11177926

RE: Fly Eagle F-16 1:4.6 Advance, wow
[quote]ORIGINAL: David Jackson Well the wife didn't say I couldn't order one, so I assumed her silence meant I could. Pulled the trigger on this one last night. [8D] [/quote] LOL...yep, silence does mean "Yes" in wife-ese! Or, you can ask her which scheme she likes the best "if you were to order one"...did that on my first Super Extra...then she cut me loose on all future purchases to pick my own schemes:) Rex
Posted on: 8/1/2012 8:24 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11177182

RE: Tam Jets Gear Fail Safe
Dan Gill has one at www.Details4Scale.com Also, Todd at Dreamworks sells the TAM Failsafe and he has developed his own...don't know if it is in production yet but he posted the unit for feedback and pre-ordering about a week ago. www.dreamworksrc.com If you like Tam's, you might want to call him directly to see if he has them in stock. From time to time, the on line store does not work too well. Good luck, Rex
Posted on: 7/31/2012 7:54 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11175822

RE: Fly Eagle F-16 1:4.6 Advance, wow
[quote]ORIGINAL: David Jackson Need a creative way of convincing the wife that I need another plane (this large F-16). Maybe I should tell her it's part of the intervention for my addiction, you know, a substitute for real drugs.[8D] [/quote] LOL...David, man...as they seem to end up saying, "at least these jets are legal drugs!" It was great seeing you at KY my friend. The Viper looks great. Rex
Posted on: 7/28/2012 9:26 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11172896

RE: Jets Over Kentucky Part II (Crash)
[quote]ORIGINAL: mr_matt [quote]ORIGINAL: rhklenke A servo is a feedback control system. That is, a part of the output (the servo position) is fed back into the input (the motor control polarity and voltage). If you get the conditions right, *any* feedback control system can oscillate. Since the high-end JR servos are designed for tight centering (narrow dead-band and high gain), if you put them into a system that has low initial force (like a balanced surface, or nearly so), but high inertia (like a big stabilator), you're very likely to get oscillation. As long as the oscillation is damped (i.e., it is of a constant, or non-increasing amplitude), and it stops as soon as force is applied or you command a surface movement, you're fine. If your surface is oscillating and when you push on it, it continues or gets worse, then you have a servo problem. Bob [/quote] Great post Bob. In you work have you seen any servos that let you adjust any gain settings? I have only seen deadband adjustments on hitec. I thought maybe you have used dynamixel or futaba at your work and you have exposure to the latest stuff. Thanks [/quote] +1 here on that...great intel Bob!
Posted on: 7/28/2012 5:08 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11172605

RE: Fly Eagle F-16 1:4.6 Advance, wow
Pablo did a great job flying the F-16 for sure. That is owned by David Baxter in Fargo, ND and was previously mine...great bird for sure. The new 1/4.6 scale F-16 looks awesome! Wings look great too, especially the way they taper and how the tips look too! Excited to see both of you guys getting this bird...will be great! Great meeting you Raul. Regards, Rex
Posted on: 7/28/2012 5:04 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11172599

RE: Fly Eagle F-16 1:4.6 Advance, wow
Man...no clue at all why! If it were mine, I'd get some good insight from a few of my flying friends that build their planes too and make the fix though. If I didn't think it was a good hinge line, I'd just fix it...and get that bird flying! The first F-16 1/5.5 I got from FEJ...I went head to toe on that thing with a magnifying glass. There were two things I did not like at that point...not enough torsional strength in the fuse for that mile high vertical fin which I fixed with two Kevlar X's along the inside top of the fuse where the stab joined. And, the wood plates that were going to hold the Stab servos were not up to my par...which I simply laminated the plates and 2" on each side with 5oz. CF cloth and Kevlar weave. Hate to see a bird like that collect dust though...sorry for your issue, man!
Posted on: 7/27/2012 4:47 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11171677

RE: Jets Over Kentucky Part II (Crash)
[quote]ORIGINAL: FenderBean one of my elevator servos has started doing that same thing, it only does it if i pop the control on taxi or the jet shakes on taxi out from bumps. I have never seen that happen but I guess its normal. [/quote] FB, yes that is "normal" as the servo is "finding center" is what JR tells us. I sent back two servos the first time it ever happened to me on a F-16 project. They sent me two more, put them in and it happened again! But everyone that I consider a good resource with Horizon all say the same thing and it always goes away once I get some air over the surfaces. Also, I balance the Stabs to just a hair forward of the Stab Pivot (which is on or close enough to MAC) which can make it even more sensitive to center. Rex
Posted on: 7/27/2012 4:32 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11171660

RE: Jets Over Kentucky Part II (Crash)
[quote]ORIGINAL: gunradd Rex you did one hell of a build on that thing. I was very impressed with it. The lighting was very well done. [/quote] Thank you for the kind words. It is a great airframe to put together for sure. Rex
Posted on: 7/27/2012 4:27 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11171654

RE: Fly Eagle F-16 1:4.6 Advance, wow
[quote]ORIGINAL: ravill It is still TBD if these jet can fly for more than 20-30 flights. That's right at the time when you are getting used to them and then stabs flutter off, vertical stabs disentigrate, etc... [/quote] Ravill, That is just not the case with any of the FEJ airframe I have owned in the last 4 years...which I believe is now 7 of my own and I have assembled 5 more for friends. I remember being one of the first 10 to get the 1/7th scale F-18F when FEJ was just getting started. It was a heavy bird but it flew great and is still flying today...four years later and one of the first of that model. I have several buddies with the very same experience as well. It cannot be "luck" nor can it be chance because I have assembled and flown several of their different models...now all of them were in the larger scale but have never had an issue with airframe quality, control surface flutter, no issues with the "MAC" discussion on the stabs with the F-18 or F-16. All of them have been flown aggressively, inspected and are still flying today. I am only speaking from my own experience and the experience I have seen with my close friends FEJ planes over the past 4 years.
Posted on: 7/27/2012 4:18 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11171644

RE: Fly Eagle F-16 1:4.6 Advance, wow
I got the 1/5.5 F-16 flying great...put around 100 flights on it and then sold it to a friend that has flown it now for two more years since then. I bought another one since then and sold it...it flew great too. Rex
Posted on: 7/27/2012 3:45 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11171615

RE: Jets Over Kentucky Part II (Crash)
[quote]ORIGINAL: basimpsn [quote]ORIGINAL: Grodus Did anyone notice the right stab movement of the taxiing F-18 at the 7:15 mark? Whats that all about? [/quote] Jets get nervous too [8D] all them jets on the runway while taking off [:D] [/quote] LOL, yep! I built that plane for a friend and it does have (2) 8711's on each Elev. and I "balanced" the stabs too. If I put a small load on one of the ganged servos to get rid of the twitch, it loaded the voltage too much so I just decided to let it go as is. My F-16 does the same, finding center. As soon as it gets some airflow, it's gone. Rex
Posted on: 7/27/2012 6:33 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11171074

RE: Royal Spektrum PowerBox with Built-in 12-Ch Receiver
Works great on a 1/6th Scale FEJ F-18F twin turbine setup. Super easy to setup and no issues whatsoever in the air.
Posted on: 7/22/2012 7:04 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11164360

RE: Flyeagle F18F
FB, all is well my friend. Had a great time at KY. Maidened this big bird, finally. Saw the F-14's fly a bunch...man, they have worked out the bugs on those for sure! Rock solid now! I'd give "B1 Bob" a ring on the F-14, he seems to have his in the "sweet spot" and so does James Chen's brother. There was a guy there with his in EDF (no clue why to have an F-14 in EDF) that had his flying great too. I'd run your issues by those guys and see what they say. best of luck to you on your projects! I'm building another Hawk for a friend...love that bird! Rex
Posted on: 7/16/2012 11:06 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11157428

RE: Flyeagle F18F
HAHA, your right! I have two 160Vx EvoJets in this bird! Just checking to make sure. The factory said 230mm on this 1/6 and by the way it flew tail heavy, I am thinking it is closer to 210-200mm. Thanks
Posted on: 7/16/2012 10:25 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11157376

RE: Flyeagle F18F
Alanjets, is this for the 1/6th or 1/7th scale F-18? I just did the maiden on the 1/6th at 230mm as the factory said and it was tail heavy for sure! Got it back fine but it was a pretty touchy all the way through the flight. Rex
Posted on: 7/16/2012 8:42 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11157246

RE: Something that I have to ask
FB, I rarely get on the Forum's anymore, maybe once a month now. I started with jets I guess around 6 years ago and the Forums were pretty much giving "data" rather than "commentary" and that's why I went to the Forum, for data...good intel that someone shared about the learning curve or some great tips on a build. I just finished three (3) builds for a guy and was begged to post the progress of each on RCU...I said NO WAY! I think most of the "seasoned" or long timers in Jets don't even go onto RCU anymore is because they really don't care about editorial comments and since there really aren't many "facts" being posted...they don't waste their time...they just talk among themselves. But I will say this, they will help and include anyone at any time. I agree with Andy on the "shirt off your back" thingy. I experienced that the first day I got into jets and still see it happening today. Actually, my first actual posts on Jets was with Andy Andrews as we both were building our first SM 1/6 F-16 and Tor was helping us along through the Forums...remember Andy? It was awesome. Not one bit of commentary...all facts and helpful tips. We were having a heck of a time with Gear Doors (before the factory ever started installing them for you) and Tor and a few others got us through it, thank God! That's why I would only go to the Forums...facts and help tips and community! When I got into the Jet side of this hobby...it was really calm for the most part. I thought Warbirds Forum's were terrible...boring and full of strife! IMO, the "Volume" got turned up in the Jet Forum when the ARF world came into full swing and lower priced equipment made what would typically take a guy 10 years in the hobby to even consider...was buying a jet after being just 6 months in the hobby. That does concern the "veterans" because there is quite a bit of concern for build quality, safety and control of a Jet. When I get on the Forum's, I only look for threads that appear to have facts and not this bashing commentary. I agree there is nothing wrong with constructive criticism to help sharpen iron among us all BUT...most of the comments that people are calling "constructive" are really self assigned "aeronautical engineers and power hungry folks wanting to read their own words". FB, your threads are proof of this! You are wanting to share as you go, ask questions...and then...commentary! Best wishes to you as you enjoy this hobby! Rex
Posted on: 6/2/2012 10:42 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11103836

RE: mississippi afterburnr 2012
Vernon, I'll be there, heading over with "Mike Pascoe or bust"! Trying to find where I put my Tx... Looking forward to it. Rex
Posted on: 4/29/2012 1:00 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=11061425

RE: Leading edge slat/FLAP servo torque question
[quote]ORIGINAL: HarryC [quote]ORIGINAL: rbxbear44 FB, I just finished the install and set up on the 1/6 FEJ F-18 for a friend. The whole slat design was changed [/quote] Rex and Fender, those are not slats, they are leading edge flaps. They work in different ways, do different things and place different loads on the servos. If you are dealing with leading edge flaps you need to start the thread
Posted on: 2/10/2012 4:09 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=10952449

RE: Leading edge slat/FLAP servo torque question
FB, I just finished the install and set up on the 1/6 FEJ F-18 for a friend. The whole slat design was changed so I don;t know if you got the newer version but there is no longer live hinging. It all works on pivots the full length of the slat and wing internally and a single servo set into the wing fairing to drive it. There is not a whole bunch of movement allowed for the surface but being a leading edge slat, it will be very effective on flight characteristics. Rex
Posted on: 2/9/2012 2:46 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=10951768

RE: Who has Changed over to the newer DSMX and why
I switched. Had DSM2 and two years ago, lost Rx completely at a Big Jet at a large event with over 100 pilots in attendance with over 275 planes. Most of the time DSM2 is fine at my home field but when at a large event with full pilot stations and tons of jets being worked on under the tents...DSMX has greater security. Who knows how many Tx's were on at any one time at these larger events! But, I bet at KY, Nall or FJ, you could get as many as 45-50 Tx's on at any given time with pit work and flight line.
Posted on: 1/22/2012 6:36 PM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=10922348

RE: PowerBox Royal Spektrum and servo reversing
Pete, Thanks man! This is nowhere in the booklet or paperwork I received with the Royal. Appreciated. Rex
Posted on: 1/5/2012 10:43 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=10893073

RE: PowerBox Royal Spektrum and servo reversing
Mick, The booklet that came with mine did not have anything about reversing. Thanks though...looks like Pete covered it too. Rex
Posted on: 1/5/2012 10:42 AM by Author "rbxbear44" in the forum "RC Jets"
http://www.rcuniverse.com/forum/fb.asp?m=10893070