Fly Eagle F-16 1:4.6 Advance, wow
11-06-2013, 04:43 PM
#277
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hmm i just recieved mine F-16, i wouldent trust that they make a reliable electric gear,,, when i recieved my gear, the ballbearings for nose wheel couldent turn because of sand in them. the main gears shock absorbers diddent work because of metal residue inside the absorbers... adn then the ram in the absorber was to large to i had to take of some material to get them working,, but now it works.
so a reliable FEJ electric motors to drive the big gear... no way...
Peter Cmyral will make some actuators for mine (he makes the sweighofers gear for the Mibo draken) with real splines.
so a reliable FEJ electric motors to drive the big gear... no way...
Peter Cmyral will make some actuators for mine (he makes the sweighofers gear for the Mibo draken) with real splines.
11-08-2013, 07:51 AM
#278
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Thanks, Falconwings.
My couriosity lead to this picture wich I took the other day, left wing. I used the cargo-scanner at the local airport. Not a good picture, but it shows important things. Good to see the many hinges and their support.
From before I have the scans of the stab/rudder and elevator.
I was supposed to be noticed when the el-gear was ready, no such luck..but I`ll see how the gear performs using air first.
My LG works like a charm, meaning no binding using hand to operate.
My couriosity lead to this picture wich I took the other day, left wing. I used the cargo-scanner at the local airport. Not a good picture, but it shows important things. Good to see the many hinges and their support.
From before I have the scans of the stab/rudder and elevator.
I was supposed to be noticed when the el-gear was ready, no such luck..but I`ll see how the gear performs using air first.
My LG works like a charm, meaning no binding using hand to operate.
11-08-2013, 11:16 AM
#280
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Hard to say.. The preferred way would be to continue with uni-dir carbon thruout the length passed the carbon tube & moulded to it, but I can`t tell if it is or not.
HC in the wingsheet yes, but that`s not a worry at all. Wings as you know are very sturdy and compact. The strength in these is not of my concern at all, and remember 40 % iof the lift is made by the fuselage on a F-16 (fullsize anyway)
Just made two better pics, one is with effects made by the scan-operator to show thickness, mould/gluejoints and such...
HC in the wingsheet yes, but that`s not a worry at all. Wings as you know are very sturdy and compact. The strength in these is not of my concern at all, and remember 40 % iof the lift is made by the fuselage on a F-16 (fullsize anyway)
Just made two better pics, one is with effects made by the scan-operator to show thickness, mould/gluejoints and such...
Last edited by Falcon 64; 11-08-2013 at 11:25 AM.
11-08-2013, 01:00 PM
#281
Not 40% but a lot yes. Now, eventhough the wings do not pivot like an elevator, and are not subjcted to the same torsional loads as the torque tubes............wings on an F-16 flex like crazy when you fly them right. I've had 1/8th scale F-16s which are structurally more robust than yours, and with time the wing tubes bend signifcantly. If the wing tubes had been supported by pass through scews though honyecomb......I doubt they would have survived too long. If the wing shaft pocket was filled with glue, you are probably ok as they help distribute the loads, but FEJ is very inconsistent on that.
On your wing, the two little tubes are just anti-rotation pins, they carry no load. But the main shaft does, and you dont want to transfer that load to the wing sructure by means of two screws though honeycomb.
Remember, its not a single point large load that will destroy a model in flight, but cycles of much smaller loads biting into the honeycomb.
Good thing is that it looks very fixable now.
David
On your wing, the two little tubes are just anti-rotation pins, they carry no load. But the main shaft does, and you dont want to transfer that load to the wing sructure by means of two screws though honeycomb.
Remember, its not a single point large load that will destroy a model in flight, but cycles of much smaller loads biting into the honeycomb.
Good thing is that it looks very fixable now.
David
11-08-2013, 02:09 PM
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Not 40% but a lot yes. Now, eventhough the wings do not pivot like an elevator, and are not subjcted to the same torsional loads as the torque tubes............wings on an F-16 flex like crazy when you fly them right. I've had 1/8th scale F-16s which are structurally more robust than yours, and with time the wing tubes bend signifcantly. If the wing tubes had been supported by pass through scews though honyecomb......I doubt they would have survived too long. If the wing shaft pocket was filled with glue, you are probably ok as they help distribute the loads, but FEJ is very inconsistent on that.
On your wing, the two little tubes are just anti-rotation pins, they carry no load. But the main shaft does, and you dont want to transfer that load to the wing sructure by means of two screws though honeycomb.
Remember, its not a single point large load that will destroy a model in flight, but cycles of much smaller loads biting into the honeycomb.
Good thing is that it looks very fixable now.
David
On your wing, the two little tubes are just anti-rotation pins, they carry no load. But the main shaft does, and you dont want to transfer that load to the wing sructure by means of two screws though honeycomb.
Remember, its not a single point large load that will destroy a model in flight, but cycles of much smaller loads biting into the honeycomb.
Good thing is that it looks very fixable now.
David
I will insert a 12K UMH carbon shaft that fits inside and glue it with 24 hour moulding epoxy. These wings won`t flex, you would agree if you held one..bone stiff and impossible to bend the slightest.
And the 40% was told me by a F-16 pilot, don`t know much more about it than that.. I look forward to see a wing from the inside!
11-08-2013, 02:22 PM
#285
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Yes, I finally received the cockpit and stuff as it was sent to me app three months later, after numerous emails forth and back...... What didn`t come, was the promised electronic LG/geardoor valve due to my patience, as they promised 6 months after my order.
But it`s promised again to come with the full ordinance, so we`ll see..
Anyway, it will stand like that until then.
Hope it sorts out for you too, I`m sure it will.
But it`s promised again to come with the full ordinance, so we`ll see..
Anyway, it will stand like that until then.
Hope it sorts out for you too, I`m sure it will.
11-08-2013, 03:39 PM
#287
Falcon it is not the wing that flexes, it is the wing tube. If the wing structure flexes, you are SOL.
The tube flexing will load your pins and eventually eat the HC.
Filling it up with molding resing should be ok. You just dont want all the load on the pins.
The tube flexing will load your pins and eventually eat the HC.
Filling it up with molding resing should be ok. You just dont want all the load on the pins.
11-09-2013, 08:06 AM
#288
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There should be immediate contact between the tube and the skins (in it`s full length) to bond a proper hold, regardless of any pins.
I really don`t know why the use of pins, the ordinary way of doing such things are neglected. And haven`t seen it`s been done in any other model-category, jets only.
Regardless of that - Kasper, I really hope you won`t regret it when you open the surfaces, but something says to me, you will..
Once FEJ is on an ordinary level of feedback, keep promises, a steady delivery and do what they say, then I will come back for another jet. Not before..
I really don`t know why the use of pins, the ordinary way of doing such things are neglected. And haven`t seen it`s been done in any other model-category, jets only.
Regardless of that - Kasper, I really hope you won`t regret it when you open the surfaces, but something says to me, you will..
Once FEJ is on an ordinary level of feedback, keep promises, a steady delivery and do what they say, then I will come back for another jet. Not before..
11-09-2013, 08:16 AM
#291
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i dont think its hard work.. you will see when i do it...
and the stabs i have to open anyway because i will make them easy detachable... but i will be glad if they look good inside.
and the stabs i have to open anyway because i will make them easy detachable... but i will be glad if they look good inside.
11-10-2013, 06:15 AM
#292
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ive now made a cut into the wing to have a look.
and its the same build up as the bad "hawk 1:4,5" tail
the tiny screws and the honeycomb plate (even when its made with carbon) cant take the stress.
This is a plane which in normal manoeuvres will pull about 10 g's max, (measured with my 1:5 F16 at 25kg) so if the lift of the wings is about 50% of the plane then its still 75kg of force on each wing!
i put alot of stress on the wings, and head some cracking noises...
well i think a OK fix for this i to fill the space between the rod and the sideplates is to fill it with microballons and epoxy.
i would drill about 5 times 8mm holes under the rod to be able to fill with epoxy, this shouldent weaken the wing.
i will also open the rudder, i guess its made the same way.
and its the same build up as the bad "hawk 1:4,5" tail
the tiny screws and the honeycomb plate (even when its made with carbon) cant take the stress.
This is a plane which in normal manoeuvres will pull about 10 g's max, (measured with my 1:5 F16 at 25kg) so if the lift of the wings is about 50% of the plane then its still 75kg of force on each wing!
i put alot of stress on the wings, and head some cracking noises...
well i think a OK fix for this i to fill the space between the rod and the sideplates is to fill it with microballons and epoxy.
i would drill about 5 times 8mm holes under the rod to be able to fill with epoxy, this shouldent weaken the wing.
i will also open the rudder, i guess its made the same way.
11-10-2013, 06:41 AM
#295
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Yes you can.. Use many 1 - 2 mm rods, as those work together as a new and molded shaft, then fill up with epoxy resin. To shut the inner end of the tube, just give it a quick shot of expanding foam near the end.
11-11-2013, 12:36 AM
#296
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It's been a while since I have flown my F-16. WHat with travels and other projects in the way. Decided yesterday might be a good opportunity to go shake the dust off it. Charged it up, gave it a good preflight and loaded it in the van. Followed by three enjoyable flights. F-16's are not my all time favourite jet I have to admit, but this one has so much presence in the air that its hard not to be impressed. Sorry for the wind noise in the video. It is winter in the UK after all, we were amazed to see the sun out so to have it flat calm as well was just too much to ask 
Thanks to my buddy Simon for the vid and the photos.
https://www.facebook.com/photo.php?v...type=2&theater
Regards Al
Thanks to my buddy Simon for the vid and the photos. https://www.facebook.com/photo.php?v...type=2&theater
Regards Al
