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F104g 1:4 scale

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Old 08-08-2017, 12:55 AM
  #201  
dionysusbacchus
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Originally Posted by Damo260 View Post
I'm about to start finishing off sheeting the center section just a couple of questions fuel tanks and were are we going to put them I'm think of get a custom set made from CMJets tanks and next how are we going to secure the wings

Damo
I guess you missed it in my earlier posts, but you can see my wing attachment screws in the pictures I posted.

On the wing side, I glued some 1/4" ply out at the end of the aluminum spar, drilled and tapped it for a set screw. I will keep the spars in the wings because they are small enough for me to transport and keep in the shop.

Next I added 1/4" ply to the fuselage (see pictures) and drilled and tapped for screws. Ideally I would like the screws more towards the ends of the spars, but it was the only place to put them on the fuselage.

Right now I have a 1 gallon tank just in between the split of the intakes. I will also add 2 additional tanks where the stock landing gear were located.

Right now I'm building another Skymaster F-4, this one is for me, but I will get the 104 glassed before the summer is out. I plan to maiden the 104 early next year.
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Old 08-12-2017, 11:51 AM
  #202  
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Hey Luke

Sorry for the late reply been flat out with work and family not much building going on. I thought it would be something like that for the secure of the wings but I've also been thinking of leaving the aluminum spar in the fuselage I'll have a play around with that and let you know how it go's. I'll send a email to CMJets tanks and see what he has got. Love the F-4s but already pick up a side project a ESM PC-21 I'm going to convert to a turbo prop and repaint in the Australian colour scheme and I'll need Mirce to me a scale detail set for it . Maybe next year for a F-4.

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Old 08-12-2017, 12:58 PM
  #203  
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No problem, I'll made all sets you need...

Mirce
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Old 08-12-2017, 01:14 PM
  #204  
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I have an F4!
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Old 08-12-2017, 01:41 PM
  #205  
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Originally Posted by mirce View Post
No problem, I'll made all sets you need...

Mirce
Thanks Mirce I'll find some good drawings and I'll get them to you
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Old 08-12-2017, 01:45 PM
  #206  
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Originally Posted by madmodelman View Post
I have an F4!
Nice I like twin
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Old 08-17-2017, 08:30 AM
  #207  
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I do get some time to work on the 104, got the last of the servo installation figured out, the elevator. Early in the project I was just going to use the external linkage, I would prefer to have it internal, but that ship has sailed. This will make disassembly and maintenance/inspection much easier. Plus painting all the linkage with the plane makes it almost completely disappear from a short distance away.

The attachment point with PC board material may be a bit overkill, but it will almost always be pulling (up elevator) so I wanted piece of mind. I figured that the best point for the arm was right over the front spar on the stab, 100 percent throw will give me some extra if I need it, but for the stock recommended throw the servo will only need about 70 percent travel.

The sheeting will be glued back on and the end capped and sanded for a good fit on the vertical.
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Old 09-10-2017, 03:28 AM
  #208  
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Few photos of my F 104 Starfighter.

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Wooden kits and all other parts are always available - Damiano F 104 - NS Modelers

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Old 11-10-2017, 02:46 PM
  #209  
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Few months ago...

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and now...

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Old 11-12-2017, 11:01 AM
  #210  
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All together...

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Best regards

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Old 11-12-2017, 11:01 AM
  #211  
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All together...

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Best regards

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Old 11-12-2017, 01:29 PM
  #212  
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Mirce, you inspire me! I set mine aside to finish two other jets (ARF's), but I will be back soon.

Good work my friend and thanks for sticking with this project and showing us how it is done!

Luke
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Old 11-15-2017, 08:47 AM
  #213  
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Hi guys. Great job on the build. Hopefully I can join in soon :-)

Checklist so far:

1, Order kit from Mirce check
2, Order heaps of balsawood sheets check
3, Order glue, tools and supplies check
4, Buy scale model to help the build process check
5 wait for everything to show up. standby :-)


Have you guys had a chance to weigh yours yet ?
How large a servo is reccomended on the elevator ?
I really dont like the looks with the external servos on the outside of the elevators, and will be doing mine internally.
Hopefully a single servo, if the torque can be met with a single servo.?
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Old 11-18-2017, 06:54 AM
  #214  
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Still waiting for miy kit.

​​​​​​Tried out Alclad II on my plastic model, and it turned out ok. Anyone used this finish on an rc plane. Is it durable?
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Old 11-27-2017, 10:27 AM
  #215  
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Brown box showed up today...... This will be fun
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Old 11-27-2017, 02:04 PM
  #216  
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eye candy!!!!
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Old 11-27-2017, 02:41 PM
  #217  
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Great that "brown box" arrived, that was pretty fast.
Today another one "landed" in workshop of my friend Carlos in Spain.

Next year will be "Mirce models" F 104 all around the world.

Thank you for choosing my products - NS Modelers

Best regards

Mirce
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Old 12-16-2017, 05:46 PM
  #218  
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"Mirce models" offer from December 20. - January 10.

- 20% "Christmas discount" on all wooden kits & details / finish sets!!!

Mary Christmas and Happy New Year to all my customers, friends and modelers around the world.

Best regards

Mirce
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Old 01-29-2018, 04:03 PM
  #219  
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Thread is a little slow, but that is to be expected with a project of this magnitude! I finished 2 Skymaster F-4's and am now back on the Starfighter, but I will still be working on other projects as I go, just have too many irons in the fire!

I am tightening up my gaps and getting ready to glass. I will be making a fiberglass mold of the canopy, it will be a fiberglass hatch. I have some other really cool stuff I'm doing that I will show later! I was really cold here for a while, another reason I stopped working.

I have one more cross brace to add to the landing gear system, so the retract air cylinders don't flex the keel when the mains bounce around on landing, just as on the Airworld 104.

I weighed the plane, with all servo's, all air system components, some radio gear, fuel tanks, it came to 40lbs. I have to add the finish, turbine, tailpipe and batteries and any ballast that may be needed. The prototype weighed 68lbs ready to fly, figure 10lbs of fuel, leaves me 18lbs for the turbine, batteries, finish and tailpipe. I've never built a plane of this size, so I don't know, Mirce, how much does yours weigh?

I plan on saving weight with the finish, only one thin coat of resin and 3/4 oz glass cloth. I will fill the weave of the cloth with spot putty thinned with acetone. It sands really easy and is much lighter than another coat of resin. I will then use a good epoxy primer.

I made the nose cone twist off as per the Airworld version, that is where all my fill valves and Powerbox radio monitor will be located.

When I have more to show, I'll post.
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Old 02-04-2018, 04:10 PM
  #220  
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Got the tail and exhaust to my liking. I wanted the F-104G look, forgot what engine, but here is what I came up with. I cut the last former off and left about an inch of skin sticking out past the next former in. I then made my pipe support and epoxied it in, the exhaust is held on by 4 screws. I have some detail to add after I sand it, then I'll paint it up real nice!

This mod has the advantage of a shorter exhaust pipe and less weight and cost. Not to mention it helps in the looks department in my opinion.

I will glass soon, the weather is getting nicer already, about 75 degrees today. I have just been real picky about the details and how I want it to look, but it will pay off... I hope!
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Old 02-04-2018, 04:31 PM
  #221  
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Very nice job Luke!

Mirce
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Old 02-04-2018, 11:08 PM
  #222  
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Looks great, but isn`t that a F-104S with 3 ventral fins :-)
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Old 02-05-2018, 04:29 AM
  #223  
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Originally Posted by SJN View Post
Looks great, but isn`t that a F-104S with 3 ventral fins :-)

You are correct about the picture, it was just the best picture I could find of the exhaust. I will be doing the Italian version, but not all of them had the 3 fins, I'm just lazy really and don't want have to make more stuff!

I like the yellow and camo version, also the large white numbers.
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Old 02-06-2018, 10:47 AM
  #224  
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Thanks Mirce! Looking forward to more progress on your 104. Damo has been very quiet, hope his project is going well.

I got to paint something! Just the exhaust, but at least it's a start. I used Model Master, you know $5.00 for five drops of paint! I used the light brown for a rust effect.
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Old 02-10-2018, 06:49 AM
  #225  
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I've attached the fin on the bottom of the fuselage, I used the same technique as was used on the nose cone. Two cap screws and some 3/16" ply on the bottom of the fuselage. It works extremely well and is easy to attach and remove, this is critical because I will be removing the tail section for transport, it bridges the center and tail section.

Next the retract compartment got the final touches (except for the inner gear door detail). The keel is constructed like an I-beam, and it needed a brace behind the air cylinders. I used a cheap can of flat black to shadow out all of the clutter and wood look of the massive hole in the bottom of the fuselage, it helps to clean it up and just looks neater.

This plane was not designed for scale gear, so fuel tank placement becomes a problem. I managed to get two Du-bro 50 oz tanks on the CG, just in front of the forward wing tube. I have a one gallon tank that sits between the split in the ducting, I want to have that tank drain first because it is ahead of the CG, then use the saddle tanks as my reserve. Even with the K310, 228 oz of fuel is good for almost 7.5 min at full throttle.
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