#Hangar9 #MB-339 #Retract #gears comparison.

Follow me on this video as I analyzed the difference between the version1 and version2 retract gears of the Hangar9 MB-339 turbine jet kits. Thanks for watching. ▼HELP SUPPORT MY CHANNEL▼ Subscribe ➤ Buy Me a Coffee ► https://www.buymeacoffee.com/8hrtogo

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