Reduction Drive
01-05-2003, 12:44 PM
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Reduction Drive
When looking at UK mags I see a lot of huge models with huge props. I'm told they fly very slow "Scale" and that we Americans prefer our 1/4 scale P-51's to fly at 800 MPH scaled. Is this the only reason reduction drives are not popular here in the US?
Here is one I found for the G-62 that lets it swing a 28X14 at 4,400 RPM and gets 30 Lps of thrust.
Here is one I found for the G-62 that lets it swing a 28X14 at 4,400 RPM and gets 30 Lps of thrust.
01-05-2003, 07:04 PM
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Scale Flight
Warlord,
The biggest difference with a larger prop on a warbird is
going to be the responce time of changes in your throttle.
It's going to take a few seconds longer for the prop to get
up to speed. Most scale modelers use them to be able to swing
3 and 4 blade props for a more scale look. 2 bladed props
are more effective with the higher RPM's. Many people still
have the old Byron Drive units and the new ones from
Europe.
The biggest difference with a larger prop on a warbird is
going to be the responce time of changes in your throttle.
It's going to take a few seconds longer for the prop to get
up to speed. Most scale modelers use them to be able to swing
3 and 4 blade props for a more scale look. 2 bladed props
are more effective with the higher RPM's. Many people still
have the old Byron Drive units and the new ones from
Europe.
