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  • 3 weeks later...
  • 4 weeks later...

Tyler Perry's 1st flight of Ramy RC's Giant 149KG XXL C-17 Globemaster at Airliner Meeting 2024. Tyler flies in less than ideal conditions on the first day (i.e. Friday) of the Airliner Meeting Show. There was a 15mph cross wind but that didn't stop him from getting this big quad EDF powered jet into the air.

 

This unique EDF jet was constructed by Ramy RC in Atlanta, United States and shipped to Oppingen, Germany just for this event. It weights 149KG and is powered by 4 200mm EDFs running on 14S. The maximum pack capacity used per EDF is 17000mah.  Wingspan is 6.4 meters (21 ft), length is 6.35 meters (20.9 ft).

 

 

 

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  • 2 weeks later...

Very impressive - a few more models like that and I might be tempted to revisit  model airshows again.....just curious, but the oscillation of the tailerons both when on the deck and during the take of roll during the slow mo sequences is very noticeable - just part of the control systems MO, presumably?

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Posted (edited)
1 hour ago, Cuban8 said:

Very impressive - a few more models like that and I might be tempted to revisit  model airshows again.....just curious, but the oscillation of the tailerons both when on the deck and during the take of roll during the slow mo sequences is very noticeable - just part of the control systems MO, presumably?

It's a characteristic of some digital servos when there is no load on the control surface. They are constantly trying to centre. It disappears with airflow applying load when it starts to move. It's not a problem but can be stopped by adding a small bit of fluffy sticky back velcro to the side of the fuselage so the control surface has a bit of resistance. It's what I've done on a 35% Extra because with 4 servos doing it it can be an annoying noise.

Edited by Dom (Essential RC)
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  • 3 weeks later...

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