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500 Size AH-64A Apache build

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  • Yeah I would have expected yours to be more than just 0.4 lbs. with everything you have added.
    I definitely think the TT drive is not helping your gears from stripping. But I also wonder if lower KV lower pinion and higher voltage isn’t amplifying the TT torque issue
    Your setup is not working as hard as mine which will allow it to spin up fast and with more available torque, where mine would stall out quicker, rather than push through.

    it will be interesting to see where pawpaw’s shacks out at. He’s using same power set up a you but I believe he’s keeping belt drive.

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    • I’m belt drive. So far, I haven’t found any issues with my stock setup and F106 designed 4 blade X tail. My flying style has been ultra conservative..read that as CAUTIOUS...as I test and gain confidence in the method I used to attach the tail belt pulley to the longer shaft needed for the 4 blade setup. Issues may show up when I fly it harder but right now I’m predicting it will be ok. Also, I do fly with FBL governor mode instead of ESC governor which may show some difference.

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      • From all of the discussions around weight, I realized that the only time I ever measured flight weight for the Apache was on an old (and very problematic) kitchen scale. I ended up throwing it out a year later as it was more or less worthless. So, I got out a newer scale to hopefully get a more accurate handle on the weight. All up, it came in at 9.5 lbs, which explains a lot. Likely both the tail rotor issue, and the gear stripping. In other words, keep your Apaches light! This weekend I’m going to try some larger chord RT 430mm blades if weather holds. Their wider chord will hopefully take the weight better and create more lift for less torque.

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        • Holy cow, that’s a heavy bird. Yeah your thicker cord blades hopefully help.

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          • Hello gentlemen,
            I have been reading this thread to get familiar with the building of the Apache. I recently bought one (Not the RC Aerodyne scale fuselage kit) but a "copy" of it? who knows. Looks familiar but it has some unscaled looking bumps to fit the main gear. I wish I had done research on it before pulling the trigger. Unfortunately it didn't come with the side frames that lower the tail boom and raised tail kit. I bought everything (Torque tube) I needed to try and build it but one of the parts (raise tail) will not work with the Apache. The tail part is meant for theUH-60 500 Scale & AH-1 500 Scale. I know F106DeltaDart used a Torque tube drive setup? Can you point me to the one you used? Or even the tail conversion. Any help is appreciated. Thanks guys. Happy flying/ Building.

            This one looks similar to the one I bought. I found this picture on google.

            Click image for larger version

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            • Unfortunately, the gearbox setup I used is discontinued. Used to be made by a company called smartmodel: http://www.electric-rc-helicopter.co...ive-t5433.html. I had to mode the side panels to get the higher angle required for the Apache tail.

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              • F106DeltaDart, thanks for getting back to me. I'll just wait and hopefully someone starts making more or make my own.

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                • Try PKM on Facebook. Be ready, they aren’t cheap.
                  https://www.facebook.com/phukethobbymodel.shop/

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                  • Right on! thanks man

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                    • I would like to show some photos of our 500 AH-64 conversion build. Any questions. let me know. This a Belt Drive tail unit with 4 bladed tail rotor from Bangood China, Align 500 4 blade Scale main Head, Torq Mini Servos with Castle 80A ESC, Bavarian Demon 3X, Scorpion HK3226-1400KV Motor and MKS HV9780 Tail Rudder.
                      Attached Files

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                      • Which Torq servo did you use for the tail?
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