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Skymaster 1:7.5 F-4 Phantom

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Skymaster 1:7.5 F-4 Phantom

Old 02-24-2023, 03:08 PM
  #551  
DAN AVILLA
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I have a new inflatable nose strut for the spymaster F 4 I'm thinking of selling for 150.00 OBO



Old 02-24-2023, 04:54 PM
  #552  
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Originally Posted by DAN AVILLA
I have a new inflatable nose strut for the spymaster F 4 I'm thinking of selling for 150.00 OBO


interested if you decide to sell it.
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yeahbaby (02-25-2023)
Old 02-25-2023, 07:01 AM
  #553  
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Not a long one but important stuff covered. Nose bolted on and Elevator/Hstab leveled.

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F16Jeff (02-25-2023)
Old 02-25-2023, 07:58 AM
  #554  
F16Jeff
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Default Nice video

Thank you Johnathan for the videos. Gaining many tips for my build. Appreciate all you are doing. I saw David at the field last weekend and he spoke highly about you.

Best regards,

Jeff
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LA jetguy (02-26-2023)
Old 02-26-2023, 04:16 PM
  #555  
kevinthoele
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Thanks for pointing out the stab alignment. I need to check mine now!!!!
Old 02-26-2023, 07:42 PM
  #556  
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Originally Posted by F16Jeff
Thank you Johnathan for the videos. Gaining many tips for my build. Appreciate all you are doing. I saw David at the field last weekend and he spoke highly about you.

Best regards,

Jeff
Thanks Jeff! Glad I can help! That's ultimately what this whole thing is about.
Old 02-26-2023, 07:45 PM
  #557  
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Originally Posted by kevinthoele
Thanks for pointing out the stab alignment. I need to check mine now!!!!
HAHA. Happy to create work for you! It crossed my mind when there were a few comments on excessive aileron trim on maidens.

Don't assume the hatch opening is level as it may have come across in the video.
Checked table.
checked opening
Checked stab tip to tip with long level

Then final check relative to wings with wings on.
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Old 02-27-2023, 10:37 AM
  #558  
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Originally Posted by Canadian Man
HAHA. Happy to create work for you! It crossed my mind when there were a few comments on excessive aileron trim on maidens.

Don't assume the hatch opening is level as it may have come across in the video.
Checked table.
checked opening
Checked stab tip to tip with long level

Then final check relative to wings with wings on.
I remember test flying Feobao F4 for a friend, wow was that stab off as it needed boat load of trim. It flew fine after that!
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Canadian Man (02-27-2023)
Old 03-01-2023, 07:12 AM
  #559  
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Nearing completion!

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F16Jeff (03-01-2023)
Old 03-02-2023, 08:40 AM
  #560  
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Picture catchup time.

Nose gear walls built from 1/16" ply. Did this for a few reasons. 1. Keep wires, tubes and lines from interfering with the nose function. 2. If any moisture on field it prevents some of it from hitting electronics. 3. Grass fields minimizes grass intake. This is negated slightly with the openings needed for the wheel/tire relief.

Front tray tight to nose walls

Nose door reinforcing added to old kit. Nose door is very flimsy.


New kit nose door refinforcement.

Servos added to both nose systems.
Old 03-02-2023, 08:43 AM
  #561  
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Mspeed pitot tube location same on both aircraft.


Both horizontal stabs out of alignment. Old kit left side high. New kit right side high.


Added G10 Shims under mounting hardware and perfect.

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Old 03-02-2023, 08:46 AM
  #562  
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Front Air board on old F4.

Tubing complete

Installed.

New kit air board. Went with this shape as compressor is to the left side.


The Mess!

The Mess #2

Airline run to nose leg. spiral wrap installed around airline.
Old 03-02-2023, 09:22 AM
  #563  
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Servo line wrapped up with sprial wrap



Nose Battery tray mockups

Painting front battery tray

Older F4 Front Equipment tray. Additional cutout for scale leg needed.

Battery plugs installed.

New F4 Front tray layout.
Old 03-02-2023, 09:24 AM
  #564  
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Holes cut for front lights on new kit.

Lights installed.

Rear Shot of lights.

Battery connectors for New F4

Battery plugs installed.

Unilight plugs labled.


Old 03-02-2023, 09:29 AM
  #565  
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Beautiful Chutes from RC Jet Chutes!!!!

Labels added to all the control leads. This black wire is high temp silicone servo line used for wing wiring as it's close to the turbines.


Nez Holding down the fort!

New F4 on the RCCGMACHINE to find out final balance point and battery location.

Old 03-02-2023, 09:34 AM
  #566  
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This last batch is a bit out of order. Chute mechanisim on New F4




The New Tool in the shop! Shrink tube label makers.

Old F4 on the RCCGMACHINE to check balance and battery locations.

Final weight on the F4. UAT Full. Balanced both aircraft at 335. there is 2.5 strips of weight in the old f4 nose. removal of this weight allows CG to go back to 345.
Old 03-04-2023, 07:25 AM
  #567  
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Almost Done. This is Video 8 in the series. Builds will be wrapped up in next video.

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cptnassos (03-05-2023)
Old 03-04-2023, 12:27 PM
  #568  
Erik R
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Excellent build series. Now just make sure you go fly them like fighters. Good luck!

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Canadian Man (03-05-2023), SkyKnight (03-05-2023)
Old 03-04-2023, 08:54 PM
  #569  
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Hope you post vids of the maidens! Great builds!
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Canadian Man (03-05-2023)
Old 03-05-2023, 10:11 AM
  #570  
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Originally Posted by camss69
Hope you post vids of the maidens! Great builds!
For sure! Will do!
Old 03-08-2023, 08:23 AM
  #571  
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Final Video in the build portion is up. Photo dump coming soon.

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Old 03-08-2023, 01:04 PM
  #572  
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Great job on the assembly of the F4s. Nice ideas during the vids! Sad that you sold F4 before flying. I love mine but the big one might be a wonderful thing
Old 03-09-2023, 11:47 AM
  #573  
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Originally Posted by kevinthoele
Great job on the assembly of the F4s. Nice ideas during the vids! Sad that you sold F4 before flying. I love mine but the big one might be a wonderful thing
Thanks Very Much. We will still complete the maiden but yea it will be heading to the new owner middle of this year.

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