Searched long for a more scale looking undercarriage with spring type oloe legs for my Hobbyking PT-19 (H-PT19-20CC) and i found this! 15 mm spring travel should protect the model from bumps much better than a 5 mm steel wire without any spring. It needs a very little amount of grease to work smooth as silk. Maybe i need to adjust the springs to match the model weight.
Workmanship and overall quality looks very good, i`m impressed!
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Good design and workmanship except the oleo springs are a little light for 90 size in the 12 to 14 lb aircraft weight. Could use heavier springs. If I can find stiffer ones will change. I would class them in the 60 size weight range max. Aircraft will require gentle touchdowns.