Freshened up the paint job with subtle changes for better visibility and installed the new in runner
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Official Freewing 80mm Avanti S Sport Jet Thread
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Originally posted by Carlbrainiac View PostFreshened up the paint job with subtle changes for better visibility and installed the new in runnerHugh "Wildman" Wiedman
Hangar: Mig 29 "Cobra", 8S EuroFighter-Bronze Tiger, A-10 Arctic, F18 Canadian & Tiger Meet, 8S F16 Wild Weasel, 8S F4 Jolly Rodgers & Blue Angel, 1600 Corsair & Spitfire, B-24, Stinger 90, Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge Demonstrator. FMS-SU-30,1700mm P-51, Corsair, Viper, Beast Bi-Plane 60", P2 Bi-Plane, P51.
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Originally posted by Hurridriver View PostAvanti delivered yesterday. Other than the nose wheel brace are there any other modifications I need to do? Thinking of bypassing the control board and would also like a semi scale exhaust nozzle if there is such a thing available
People have come up with various ways to remedy the issue such as a rubber band around the spring tethered to something, and more ideas. I found it easiest to simply add glue to the attachment point of where the spring meets the door on each side. This traps the spring ends so they can no longer rotate to an improper position. Hot glue has worked perfect for me, even during summer months, and it takes minimal time to do this modification. I've done this modification to my friends Avanti's as well and all have worked well. Before gluing, just make sure the spring sits in its natural position allowing for full and proper closure of the doors (when the jet is inverted on the stand, I retract and extend the gear a few times to ensure the spring is where I want it). The attached picture shows what's I mean and the arrows point to it.
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Originally posted by Hugh Wiedman View Postsneaky_snoeper now that is both annoying and frustrating. Must be that one servo not re-centering. May have to swap out with a new servo, these are not the highest quality which is why they are relatively cheap, but we have enough to deal with when flying without uncalled for rolls! If this is relatively new you may be able to speak with Motion and open up a ticket and have them send you a replacement servo, they've always been super good with me on anything, but honestly haven't had many problems for them to fix.
A seccond problem i had was that on the third landing 1 of my legs didnt come out. The problem was that the aluminium main shock struts got tighter by friction of aluminium on aluminium. So i took those appart, sanded them down a little and put some vaseline on the hinge point and now it works flawlessly.
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Originally posted by Hurridriver View PostAvanti delivered yesterday. Other than the nose wheel brace are there any other modifications I need to do? Thinking of bypassing the control board and would also like a semi scale exhaust nozzle if there is such a thing available
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Just a quick word of warning with the nose gear brace. Yes it stiffens up the nose leg which inherently has slop which only gets worse. However if you have a harsh landing it bends the nose leg. If you crash off into the rough it takes a chunk of your fuselage with it. A buddy of mine is working on a design to 3D print which will have some give built in to act like suspension whilst still offering support
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Originally posted by Hurridriver View PostAvanti delivered yesterday. Other than the nose wheel brace are there any other modifications I need to do? Thinking of bypassing the control board and would also like a semi scale exhaust nozzle if there is such a thing available
Instead of semi scale exhaust nozzles, why don't you add an after burner.
Hugh "Wildman" Wiedman
Hangar: Mig 29 "Cobra", 8S EuroFighter-Bronze Tiger, A-10 Arctic, F18 Canadian & Tiger Meet, 8S F16 Wild Weasel, 8S F4 Jolly Rodgers & Blue Angel, 1600 Corsair & Spitfire, B-24, Stinger 90, Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge Demonstrator. FMS-SU-30,1700mm P-51, Corsair, Viper, Beast Bi-Plane 60", P2 Bi-Plane, P51.
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Originally posted by Carlbrainiac View PostJust a quick word of warning with the nose gear brace. Yes it stiffens up the nose leg which inherently has slop which only gets worse. However if you have a harsh landing it bends the nose leg. If you crash off into the rough it takes a chunk of your fuselage with it. A buddy of mine is working on a design to 3D print which will have some give built in to act like suspension whilst still offering support
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Originally posted by Hurridriver View PostAvanti delivered yesterday. Other than the nose wheel brace are there any other modifications I need to do? Thinking of bypassing the control board and would also like a semi scale exhaust nozzle if there is such a thing available
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Originally posted by Mach9 View Post
Maiden Flight of the Freewing 90mm F-18 repainted in the Canadian Demonstration Team livery.Hugh "Wildman" Wiedman
Hangar: Mig 29 "Cobra", 8S EuroFighter-Bronze Tiger, A-10 Arctic, F18 Canadian & Tiger Meet, 8S F16 Wild Weasel, 8S F4 Jolly Rodgers & Blue Angel, 1600 Corsair & Spitfire, B-24, Stinger 90, Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge Demonstrator. FMS-SU-30,1700mm P-51, Corsair, Viper, Beast Bi-Plane 60", P2 Bi-Plane, P51.
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Mach9 Regarding the CG, it can be done at the recommended book CG, but is definitely easier to do it if you have the CG back a little (although the F-16 will do it even nose heavy). I tend to fly most of my planes/jets maybe about 5mm further back that book recommendations, but not because of landing, it just flies better for me there.Hugh "Wildman" Wiedman
Hangar: Mig 29 "Cobra", 8S EuroFighter-Bronze Tiger, A-10 Arctic, F18 Canadian & Tiger Meet, 8S F16 Wild Weasel, 8S F4 Jolly Rodgers & Blue Angel, 1600 Corsair & Spitfire, B-24, Stinger 90, Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge Demonstrator. FMS-SU-30,1700mm P-51, Corsair, Viper, Beast Bi-Plane 60", P2 Bi-Plane, P51.
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Oh, and one last thing I failed to mention, I cheat on the throttle settings on all my planes/jets for landing. I set the notifications on my timer to tell me when 1st I'm at the correct throttle position on entering the glide slope (timer 1 will say "timer stopped" at say 28% throttle) and then 2nd when I'm at the correct throttle setting to be able to get it into high alpha without gaining altitude (timer 2 then says "timer stopped" at say 21% throttle). Each is different, those where for the F-4, F-16, F-18 and SU-30 all with landing flaps and the SU-30 also with speed brake. If I remember correctly, the Stinger 90 and Avanti the 2 timer settings work at 21% for the glide slope and 14% or less for going into high alpha. Most good pilots don't need to do this, but for me, I'm never quite sure where the throttle is at unless I look (bad idea) or it's at full or off throttle.
Tail dragging prop warbirds are just the opposite. Do not land them via a flare. This not only looks "un-scale like", but can sometimes result in crushing the retracts, especially the Corsair (don't have to tell you how I know). Those MUST be landed on the 2 main gear ONLY at a perfectly level attitude, then let it roll out and drop the tail when you cut the throttle. For those, I set my "notifications" at 40% for the 1600 mm Corsair (I know, it seems high, but with full flaps-even more than book deflections cause I like the way it looks, it lands nicely there for me and no more crushed retracts), the 1700mm P-51 at 35%, and the 1600 mm Spitfire at 25%.
But this is just my somewhat unorthodox landing methods, just do what works best for you. 3 point landings with jets are OK, but this does tend to put undo pressure on the nose gear. Work on a high alpha landing and not only does it look scale, but relieves the stress on the nose gear. With the F-4, that type of landing (3 pointer) can also break the nose gear pin (again, been there, done that).Hugh "Wildman" Wiedman
Hangar: Mig 29 "Cobra", 8S EuroFighter-Bronze Tiger, A-10 Arctic, F18 Canadian & Tiger Meet, 8S F16 Wild Weasel, 8S F4 Jolly Rodgers & Blue Angel, 1600 Corsair & Spitfire, B-24, Stinger 90, Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge Demonstrator. FMS-SU-30,1700mm P-51, Corsair, Viper, Beast Bi-Plane 60", P2 Bi-Plane, P51.
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Originally posted by Hugh Wiedman View Post
Mach9 you should be able to do a high alpha landing on virtually any of the planes/jets. You need to come in on a normal glide slope but change it to a shallow angle about 6 feet off the deck, and then get it at a speed that is slightly above stall speed when you are 1-2 feet up, yet not fast enough that the jet gains altitude with up elevator input. Try this about 1-2 feet off the deck and if you are at just the right speed, the nose will rise without the jet gaining altitude. This in itself will slow the jet down even more and it will loose altitude with the nose up, eventually touching down on the 2 main gear. That is the preferred way to land virtually all of these jets. Watch any of the videos people post and you will see most of the good landings are done that way. It took me a few tries with each jet to determine that speed, but I can do that with the Avanti, Stinger 90, F-4, F-16 (the easiest of the bunch for high alpha), the F-18 and the SU-30. Some pilots (not me yet) are so good at this that they can actually continue down the runway after landing on the mains doing a "wheelie" with the nose up, not so easy on grass though. If you're locked in on the correct landing speed, you can work your glide slope early on with the nose up as it continues to loose altitude until touchdown. Of course wind speed (and direction if you're dealing with a crosswind) may alter your perception of the correct landing speed for this as the important factor is air speed, not ground speed. All I can tell you is that if you give it up elevator before landing and it gains altitude, your going too fast for it to work. Continue to slow it down while giving just the slightest touch of up elevator until the nose rising instead of the entire jet going up. But watch out for that fine line of being too slow and having it drop like a rock or roll over in a stall. You can make a 3 point landing at virtually any speed (except stall speed), but then you're risking extra stress on the gear. But a 3 pointer is better than nothing!!! Take a look at the landing for the maiden of my F-18 recently, you'll see it starts out with nose down attitude until about 5-6 feet off the runway, then leveling out, then assuming a nose up attitude, just like every commercial airline landing, although they start the high alpha orientation much earlier:
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Originally posted by Mach9 View Post
Thanks for the info!! That video to me looks like a normal landing with flare which is what I always try for with trike gear. I guess I was thinking high alpha is what you referred to as a wheelie. I have dropped in too hard (causing bounce) here and there, especially with a tail wind making my air speed less than what I had judged. I have flown a few tail draggers. My "field" makes it easy to flip forward, especially if you hit a mole hill, crawdad or deer hoof hole. I seen a full scale warbird flip forward and bend the prop. They were not happy. With a floaty 3D tail dragger if you get it right you can high alpha and set it down for a vertical landing!Hugh "Wildman" Wiedman
Hangar: Mig 29 "Cobra", 8S EuroFighter-Bronze Tiger, A-10 Arctic, F18 Canadian & Tiger Meet, 8S F16 Wild Weasel, 8S F4 Jolly Rodgers & Blue Angel, 1600 Corsair & Spitfire, B-24, Stinger 90, Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 62" Extra 300, 62" MXS Heavy Metal, 62" Edge Demonstrator. FMS-SU-30,1700mm P-51, Corsair, Viper, Beast Bi-Plane 60", P2 Bi-Plane, P51.
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