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Skymaster 1:7.5 F-4 Phantom

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Skymaster 1:7.5 F-4 Phantom

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Old 08-08-2018, 03:29 AM
  #101  
tp777fo
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With this one being a plain white kit it has presented a few extra challenges but I'm getting there. I don't have a cockpit or ordinance. Would like to have at least the inside pylons and wing tanks. If anyone knows of a used set of "stuff" and a cockpit please let me know. SM wants a fortune for new. If I cant find a cockpit I will make a stand off...way off cockpit and fly it slick. This is planned as an everyday flyer from grass. I haven't had any performance problems from flying on our grass field in the summer heat. Next test flight is planned for tomorrow. I really like the way my doors turned out now....just hope they work better. If all problems are resolved this week I will start getting it ready for paint. My old sqn 62 TFS and try to get it ready for SJS. If not I may just fly it there raw. If it performs well no one will notice it wasn't painted. BTW I like challenges...winter project is a Avonds Fouga. Large box of sticks with very few instructions.
Old 08-08-2018, 05:46 AM
  #102  
kevinthoele
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Mine had a dirt bath!!!! End of another mission
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kwik (01-26-2022)
Old 08-08-2018, 05:52 AM
  #103  
ozief16
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The chute totally makes it!

Dave
Old 08-08-2018, 07:37 AM
  #104  
ravill
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Man, all these pics make me want to get another phabulous phantom!!!
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kwik (01-26-2022)
Old 08-08-2018, 08:27 AM
  #105  
kevinthoele
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Originally Posted by ravill
Man, all these pics make me want to get another phabulous phantom!!!




More motivation
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kwik (01-26-2022)
Old 08-08-2018, 10:44 AM
  #106  
CobraJet
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Some of the best pics I've seen of the SM F-4E, really inspired now to get mine done! Now, if we could just figure out how to generate black smoke out of the exhaust...
Old 08-09-2018, 04:17 PM
  #107  
tp777fo
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3 good flights today. All gear and doors worked well on #1. 2&3 mains didnt come up all the way. I think it is flow through jetronics and the length of time for the up cycle. A new hi flow valve arrives tomorrow and should fix it in any case. Took out some of the full flap to help prevent pitch over. Overall I think it is time to start paint prep. Flies much better than I ever expected.
Old 08-09-2018, 04:24 PM
  #108  
ozief16
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Congrats Tom!

for what it’s worth I have close to 60 deg flap for landing. Super draggy and soooo nice to drive in under Power
Old 08-09-2018, 05:30 PM
  #109  
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Congrats Tom. Get that thing ready for SJS. See you there.
Gary
Old 08-10-2018, 08:46 AM
  #110  
yeahbaby
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Originally Posted by tp777fo
3 good flights today. All gear and doors worked well on #1. 2&3 mains didnt come up all the way. I think it is flow through jetronics and the length of time for the up cycle. A new hi flow valve arrives tomorrow and should fix it in any case. Took out some of the full flap to help prevent pitch over. Overall I think it is time to start paint prep. Flies much better than I ever expected.
if it pitches over when you deploy flaps you are probably deploying them at too high of airspeed. That’s been my experience anyway.
Old 08-10-2018, 03:29 PM
  #111  
f106jax
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Originally Posted by yeahbaby


if it pitches over when you deploy flaps you are probably deploying them at too high of airspeed. That’s been my experience anyway.
Also a sign of being nose heavy. Some early kits were lost when full flaps were deployed and there was a sudden pitch down due to the CG being placed in the 275mm range. The issue went away when the CG was set at 300mm and higher.
Old 08-10-2018, 04:43 PM
  #112  
tp777fo
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Actually I think I stalled it. Cg 340. Went to full flapsand didnt cobb power as much as I expected.
Old 08-12-2018, 01:00 PM
  #113  
Kevin_W
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I am just about ready to start mounting pylons and ordinance to my Phantom. Does anyone have any good measurements or diagrams for pylon placement? And, should I expect to find wood blocks in the wings to mount them to, or will I need to come up with my own mounting method?

Thanks
Old 08-12-2018, 05:36 PM
  #114  
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Old 08-12-2018, 05:37 PM
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Old 08-12-2018, 07:17 PM
  #116  
kevinthoele
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Kevin W. On the one pictured I had to hysol hard wood dowels inside the wing. Be careful as there is a spar close to the measured locations pictured. I had to drill tiny pilot holes to find spar. I think they are not set up with jig so a little different with every model
Old 08-13-2018, 06:39 AM
  #117  
Kevin_W
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Thank you Tom and Kevin. That's exactly what I needed to know.
Old 08-13-2018, 04:01 PM
  #118  
Kevin_W
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Originally Posted by kevinthoele
Kevin W. On the one pictured I had to hysol hard wood dowels inside the wing. Be careful as there is a spar close to the measured locations pictured. I had to drill tiny pilot holes to find spar. I think they are not set up with jig so a little different with every model
Kevin, you are correct.
The front hole on the inner pylon hit the front spar exactly. Thanks for the heads up about the tiny holes first.
I am going to drill new front holes in the inner pylons about an inch in front of the old ones. That will get the dowels in front of the spar, but I will have to open up the pylons in order to add another wood block for the screw(s) to go into.
Old 08-13-2018, 04:26 PM
  #119  
kevinthoele
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Glad I could help. Look forward to seeing it go!!!
Old 08-14-2018, 05:30 AM
  #120  
patf
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KW
What scheme did you get?
Old 08-14-2018, 09:27 AM
  #121  
Kevin_W
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Originally Posted by patf
KW
What scheme did you get?
Old 08-14-2018, 09:37 AM
  #122  
patf
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handsome! look forward to seeing it at gsw
Old 08-14-2018, 11:31 AM
  #123  
tp777fo
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Looks great! If you get a chance publish some pictures how you did your inner and outer gear doors. If I can break the code on getting mine to fly well I might order another one that is already painted.
Old 08-14-2018, 01:49 PM
  #124  
Kevin_W
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Originally Posted by tp777fo
Looks great! If you get a chance publish some pictures how you did your inner and outer gear doors. If I can break the code on getting mine to fly well I might order another one that is already painted.
Tom,
I can post pictures later this evening, but I can't take credit since I was lazy and had Skymaster install the gear doors.
Old 08-14-2018, 04:36 PM
  #125  
yeahbaby
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Never let the truth get in the way of a good story Lil fella.


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