P-38 - The Ultimate EPO Lightning

Official Freewing Twin 80mm F-14D Tomcat Thread

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  • rifleman_btx
    me

    • Dec 2016
    • 5246
    • West Point TX
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    #1301
    Ok got her buttoned up, got to set the elevator mechanical trim, and then figure out what battery I wanna use. The 5200s fit, but the cg is about 3/4" too far forward, I remember hearing about some modifications to fit them so I'll look for that. I was thinking about raising the top tray just enough to fit the lower one underneath as a possibility. Any thoughts?

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    • xviper
      Hobby Squawk Regular

      • Jan 2014
      • 8745
      • Calgary, Canada
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      #1302
      Originally posted by rifleman_btx
      Ok got her buttoned up, got to set the elevator mechanical trim, and then figure out what battery I wanna use. The 5200s fit, but the cg is about 3/4" too far forward, I remember hearing about some modifications to fit them so I'll look for that. I was thinking about raising the top tray just enough to fit the lower one underneath as a possibility. Any thoughts?
      Look at RC Informer's build guide. He's cut out foam so the back battery can slide all the way back to the metal bulkhead. Both batteries then lay at the same level and in line with each other.

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      • Evan D
        I'll fly anything

        • Jan 2016
        • 5383
        • Charlotte
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        #1303
        This is what I did on mine too.


        Originally posted by xviper
        Look at RC Informer's build guide. He's cut out foam so the back battery can slide all the way back to the metal bulkhead. Both batteries then lay at the same level and in line with each other.

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        • T-CAT
          Senior Member

          • Jan 2016
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          #1304
          If you decide to cut foam out from the rear of the battery compartment to the point where you see the wing box framing, I made a 3D printed rear battery tray that glues into place on the rear battery floor (there will be no need for the stock rear upper battery tray). It makes the transition completely inline and flat with the front battery floor. Glue on some anti-slip padding (don’t use velcro on the battery tray floor since you’ll likely never get the battery out due to it being partly in the tunnel) to the printed battery floor and add a battery strap, and you’re good to go.

          On the same page file page as the battery tray I made, I have another file to print a simple wire channel to reroute wiring a bit better and be more organized so the rear battery has less chance of squishing the wires. It may or may not be as useful as it was for me depending on where you place your receiver, if you’re using more or less wires than I did, etc., but worth checking out nonetheless. I hope that helps .

          On Thingiverse, I have some additional mods for the F-14 if you’re looking for more (i.e. ventral fins, wing box screw holes plugs, main wheel hubs/covers, fuel dump port, etc.



          As a side note, if I remember correctly, the weight difference between the stock and printed parts are negligible (although depends on the print material and settings used) because it’s almost entirely offset by the removal of the stock wooden rear upper battery tray, the plastic rear upper tray mounts, and rear compartment foam. So, that’s also nice.

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          • Evan D
            I'll fly anything

            • Jan 2016
            • 5383
            • Charlotte
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            #1305
            Good point on the wires, I made tunnels through the foam to keep mine out of the battery area.

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            • T-CAT
              Senior Member

              • Jan 2016
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              #1306
              Originally posted by Evan D
              Good point on the wires, I made tunnels through the foam to keep mine out of the battery area.
              The wires on the F-14 are probably the largest pain of the assembly process. Ha-ha

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              • rifleman_btx
                me

                • Dec 2016
                • 5246
                • West Point TX
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                #1307
                Thanks you all, I made the cut, now downloaded the file. I really appreciate the help and heck yea on the wires, uuugh

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                • Evan D
                  I'll fly anything

                  • Jan 2016
                  • 5383
                  • Charlotte
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                  #1308
                  Mine was a very early one and took a lot of massaging to get the batteries where I wanted them, wires hidden and the cowl over the wing fold to fit acceptably. Some pics. Batteries were 705g 5000mAh Zippy Compacts.

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                  • kallend
                    -----

                    • Nov 2016
                    • 1857
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                    #1309
                    Originally posted by Evan D
                    Mine was a very early one and took a lot of massaging to get the batteries where I wanted them,
                    Mine is very recent and looks much the same.

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                    • Evan D
                      I'll fly anything

                      • Jan 2016
                      • 5383
                      • Charlotte
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                      #1310
                      Probably down to the upside down RESCUE sticker...


                      But my pictures are the "after" pictures.

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                      • T-CAT
                        Senior Member

                        • Jan 2016
                        • 2137
                        • On planet earth....right
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                        #1311
                        Originally posted by Evan D
                        Probably down to the upside down RESCUE sticker...


                        But my pictures are the "after" pictures.
                        I forgot about that decal. Both of my F-14’s purchased about 5 years apart had the upside down Rescue decal. I wish that had been fixed after all this time. Most people don’t paint their jets, so it’s distracting and doesn’t look good. I knew I was painting mine, so it wasn’t an issue.

                        On the bright side, my first F-14 came with upside down Stars and Stripes on the nose section, but thankfully my second F-14 was correct. So, they did fix one of the upside down decals .

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                        • rifleman_btx
                          me

                          • Dec 2016
                          • 5246
                          • West Point TX
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                          #1312
                          Well I got the tunnel and tray printed and installed, reciever is programmed so it's on to the maiden Wednesday. Upside down decals? Man you would think these were made in China or something lol my old eflite P40 flying tiger had the panda upside down too. I think I bought that 13-14 years ago. But hey it still flys like a world champ.

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                          • rifleman_btx
                            me

                            • Dec 2016
                            • 5246
                            • West Point TX
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                            #1313
                            Originally posted by Evan D
                            Mine was a very early one and took a lot of massaging to get the batteries where I wanted them, wires hidden and the cowl over the wing fold to fit acceptably. Some pics. Batteries were 705g 5000mAh Zippy Compacts.

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                            Where you have the batteries in pic, where abouts does your cg ride in relation to the factory spec?

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                            • Evan D
                              I'll fly anything

                              • Jan 2016
                              • 5383
                              • Charlotte
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                              #1314
                              Sorry but that was long ago. By memory it was close to book balance.

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                              • EA-6B Geek
                                EW Misfit

                                • Sep 2017
                                • 485
                                • South Central Ohio
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                                #1315
                                I really enjoy reading all of the posts you guys make on the F-14. It’s one I aspire to having at some point, along with the F-104. Keep up the good work out there!

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                                • DCORSAIR
                                  My R/C addiction started in 1984

                                  • Jan 2017
                                  • 1918
                                  • Selma, Ca.
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                                  #1316
                                  I haven't been following the F-14 thread these days, I had no idea so many people have done so many mods to it, I've had three so far and they all flew great stock in my opinion, I never tried full span flaps or anything but I did remove the upper batt. tray and slid it to the back and inline with the lower batt. tray, worked great after removing some foam in that area, used the velcro strap and all, real easy to do, mine flew great in stock form even in wing swept mode, I ended up liking at little aileron movement in swept mode myself, you don't need all these fancy mixes or anything to fly the F-14, anyone even fly it in stock form anymore??

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                                  • T-CAT
                                    Senior Member

                                    • Jan 2016
                                    • 2137
                                    • On planet earth....right
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                                    #1317
                                    Originally posted by rifleman_btx
                                    Well I got the tunnel and tray printed and installed, reciever is programmed so it's on to the maiden Wednesday. Upside down decals? Man you would think these were made in China or something lol my old eflite P40 flying tiger had the panda upside down too. I think I bought that 13-14 years ago. But hey it still flys like a world champ.
                                    Excellent! Enjoy! Show us some pictures of the installs when you’re done. That usually helps people out and may help spark others ideas.

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                                    • rifleman_btx
                                      me

                                      • Dec 2016
                                      • 5246
                                      • West Point TX
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                                      #1318
                                      Originally posted by Evan D
                                      Sorry but that was long ago. By memory it was close to book balance.
                                      No worries, I think mine is still a bit ahead of book value, but super close as well.

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                                      • rifleman_btx
                                        me

                                        • Dec 2016
                                        • 5246
                                        • West Point TX
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                                        #1319
                                        Originally posted by T-CAT

                                        Excellent! Enjoy! Show us some pictures of the installs when you’re done. That usually helps people out and may help spark others ideas.
                                        Will do, I also want to make sure my escs are set since they are not oem. Make sure I got all the timing done correctly and all that jazz.

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                                        • T-CAT
                                          Senior Member

                                          • Jan 2016
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                                          #1320
                                          Originally posted by rifleman_btx

                                          Will do, I also want to make sure my escs are set since they are not oem. Make sure I got all the timing done correctly and all that jazz.
                                          It’s definitely worth the extra time and effort to make things right.

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