Roban - World Class Scale Helicopters

Official Freewing 90mm F-4 Phantom II Thread

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  • Bobaroo
    If it Ain't Right on the Ground...

    • Dec 2017
    • 327
    • Newburgh, IN
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    #3241
    This video clearly shows the result of a asymmetrical Afterburner Glow, and the reason why I am seeking a nice twin setup with x2 LED Arrays for matched lighting output in the cans !!! Viewer Discretion is Advised !!!

     

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    • BreakX101
      full throttle or no throttle.

      • Jun 2018
      • 26
      • clarksville
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      #3242
      the right engine was blowing a good amount of smoke and appeared it was the only one glowing. Possible it was the good engine and the one not smoking was actually suffering some mechanical problems.

      Comment

      • Elbee
        Be humble...be approachable...and be credible.

        • Feb 2018
        • 4819
        • Wichita, Kansas
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        #3243
        BBR, Or vice versa. Consider, as well, the engine requirement of each in terms of RPM and thrust. One engine might run at a higher throttle setting in order to produce the same thrust/rpm levels. Not uncommon. Also, the engine lit up is also smoking, so this A/C might even have 2 different engines models. Regardless it is a great vid and I'm just thinking of the cost to keep that A/C flying, outrageous. Think I'll make a donation. Let's see $50.00 could probably pay for enough Windex to clean the canopy for a couple days. LOL LOL LOL Best, LB
        "I am having an extraordinary ordinary life."
        ~Lucky B*st*rd~

        "Find satisfaction in the process rather than an outcome."
        ~Anonymous~

        AMA#116446

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        • Wobisch
          Member

          • Oct 2018
          • 83
          • Merenschwand, Switzerland
          • Send PM

          #3244
          Originally posted by Elbee

          Wo-B, I like it!! LOL LOL LOL Do you use a Laser Printer for your decals? What's your process? Best, LB
          Yes, I do it with a Laser Printer. Using also those red end blue Decal Liquids MICROSOL.

          Comment

          • RCjetdude
            Higher & higher, straight up we'll climb

            • May 2016
            • 3574
            • Send PM

            #3245
            Originally posted by BreakX101
            Does anyone know of a 3d print nose wheel support for the f4? much like the one for the a-10 to make up for slop.
            With the nose wheel going down and forward when extended how would a support help? The L-39 for example goes down and back when extended so a support works on it as well as the Avanti and F-22, etc.

            Comment

            • Bobaroo
              If it Ain't Right on the Ground...

              • Dec 2017
              • 327
              • Newburgh, IN
              • Send PM

              #3246
              Well Now,.. Got the Operating TailHook Mod pretty much done. The Spring Rebound System I am installing will allow for Ground Contact (Inadvertent) resulting in minimal Damage to the Hook, Linkages and Servo. Some Contact Wear is to be expected on the ContactShoe and therefore, they are replaceable . Hey LB,.. Awesomeness here Man.... Click image for larger version

Name:	IMG_20190214_115655.jpg
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ID:	179403 URock !! ThankAagain

               

              Comment

              • Elbee
                Be humble...be approachable...and be credible.

                • Feb 2018
                • 4819
                • Wichita, Kansas
                • Send PM

                #3247
                Originally posted by Bobaroo
                Well Now,.. Got the Operating TailHook Mod pretty much done. The Spring Rebound System I am installing will allow for Ground Contact (Inadvertent) resulting in minimal Damage to the Hook, Linkages, and Servo. Some Contact Wear is to be expected on the ContactShoe and therefore, they are replaceable. Hey LB,... Awesomeness here Man...URock !! ThankAagain
                BBR, :Cool:You did a magnificent job with actuating the pivot arm. My Congrats to you, Sir. Bravo Zulu. Also, like the reinforcement of the fuse at the hinge line. Best, LB

                "I am having an extraordinary ordinary life."
                ~Lucky B*st*rd~

                "Find satisfaction in the process rather than an outcome."
                ~Anonymous~

                AMA#116446

                Comment

                • Bobaroo
                  If it Ain't Right on the Ground...

                  • Dec 2017
                  • 327
                  • Newburgh, IN
                  • Send PM

                  #3248
                  Originally posted by Elbee

                  BBR, :Cool:You did a magnificent job with actuating the pivot arm. My Congrats to you, Sir. Bravo Zulu. Also, like the reinforcement of the fuse at the hinge line. Best, LB

                  Well Sir,.. My success here with the Hook Mod is merely a reflection of Your skills an Your outstanding work on this. ThankAagain

                  Comment

                  • Bobaroo
                    If it Ain't Right on the Ground...

                    • Dec 2017
                    • 327
                    • Newburgh, IN
                    • Send PM

                    #3249
                    Afterburner is next !! Working on a Twin AB Setup for the Jet that will produce a very Bright and Uniform Set of LED Projections within each Exhaust Can with no Central Blacked-Out Spot !! I believe I am getting closer to realizing this. More to follow on that. Click image for larger version  Name:	tumblr_nlvqq7wci71thnmmgo1_1280.jpg.cf.jpg Views:	0 Size:	54.0 KB ID:	179485Click image for larger version  Name:	11880197646_ec12f01320_b.jpg Views:	0 Size:	36.2 KB ID:	179486Click image for larger version  Name:	6ac67014570b3455535b84ac06d10c63.jpg.cf.jpg Views:	0 Size:	25.0 KB ID:	179487Click image for larger version  Name:	tumblr_mwlpw8jBXf1r5bk8qo3_1280.jpg.cf.jpg Views:	0 Size:	18.7 KB ID:	179488 Exciting Stuff !!! Cheers

                    Comment

                    • TMoyer
                      Member

                      • Feb 2017
                      • 32
                      • Send PM

                      #3250
                      Originally posted by RCjetdude
                      Prior to the minor mishap during my scale flight attempt my F-4J was able to garner the Best Static Score Scale Jet award at eJet Fest International in Lakeland, FL.

                      Click image for larger version Name:	IMG_20190210_080412.jpg Views:	0 Size:	280.2 KB ID:	178488
                      Steve,
                      What did you use to accentuate your panel lines on your F4? Fine felt tip marker? And did you use some sort of flexible straight edge for the long straight lines? I like that look.
                      Thanks, Travis

                      Comment

                      • Evan D
                        I'll fly anything

                        • Jan 2016
                        • 5385
                        • Charlotte
                        • Send PM

                        #3251
                        New 80mm F-4 from... Eflite????

                        Comment

                        • Bobaroo
                          If it Ain't Right on the Ground...

                          • Dec 2017
                          • 327
                          • Newburgh, IN
                          • Send PM

                          #3252
                          Originally posted by Evan D
                          New 80mm F-4 from... Eflite????
                          Sure looks to be a new Foamie F-4 in 80mm ... We shall see ! ExcitingStuff

                          Comment

                          • RCjetdude
                            Higher & higher, straight up we'll climb

                            • May 2016
                            • 3574
                            • Send PM

                            #3253
                            Originally posted by TMoyer

                            Steve,
                            What did you use to accentuate your panel lines on your F4? Fine felt tip marker? And did you use some sort of flexible straight edge for the long straight lines? I like that look.
                            Thanks, Travis
                            Thank you Travis. All I did was use a fine paint brush to paint very watered down Burnt Umber Acrylic paint into the panel lines then with a dry paper towel, wiped back or down to streak it a little.

                            Comment

                            • TMoyer
                              Member

                              • Feb 2017
                              • 32
                              • Send PM

                              #3254
                              Originally posted by RCjetdude

                              Thank you Travis. All I did was use a fine paint brush to paint very watered down Burnt Umber Acrylic paint into the panel lines then with a dry paper towel, wiped back or down to streak it a little.
                              Awesome! Thank you

                              Comment

                              • Gordon
                                Member

                                • Dec 2018
                                • 39
                                • Gloucestershire, United Kingdom.
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                                #3255
                                Bobaroo.

                                What you need to do is just fit a center burner from Chris (RCGeek), but before you refit the fan unit back into the air frame, after fitting the burner, line the rear edf exhaust area behind the fan unit with sticky backed chrome tin foil. That's what reflects the light and give the "all over" afterburner effect.

                                Hope this helps,

                                Gordon Fraser.
                                U.K.

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                                • Gordon
                                  Member

                                  • Dec 2018
                                  • 39
                                  • Gloucestershire, United Kingdom.
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                                  #3256
                                  That's not my own personally invented tip. I got that one from one of Mr RC Jet Dude's many "how too" video's. It works really well.

                                  Comment

                                  • Xet
                                    Hobby Squawk Beginner Pilot

                                    • Sep 2017
                                    • 6
                                    • Swe
                                    • Send PM

                                    #3257
                                    Originally posted by Evan D
                                    New 80mm F-4 from... Eflite????
                                    What is your source on that please?

                                    Comment

                                    • Evan D
                                      I'll fly anything

                                      • Jan 2016
                                      • 5385
                                      • Charlotte
                                      • Send PM

                                      #3258
                                      Poste on RCG, back cover of the latest AMA magazine, confirmed by eflite. Release will be on the 25th.

                                      Welcome to the squawk

                                      Comment

                                      • Xet
                                        Hobby Squawk Beginner Pilot

                                        • Sep 2017
                                        • 6
                                        • Swe
                                        • Send PM

                                        #3259
                                        Originally posted by Evan D
                                        Poste on RCG, back cover of the latest AMA magazine, confirmed by eflite. Release will be on the 25th.

                                        Welcome to the squawk
                                        Ok thanks!

                                        Comment

                                        • TMoyer
                                          Member

                                          • Feb 2017
                                          • 32
                                          • Send PM

                                          #3260
                                          Wow, you guys must get that issue early. I have the February issue and cannot find anything on the new issue on the AMA website.

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