912 S - warp drive question

Technical questions, advice, sharing information etc (aircraft, engines, instruments, weather and such)
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GR8-DAD
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Postby GR8-DAD » Tue Nov 21, 2006 12:29 pm

Don't wanna hijack your thread, but also wanna ask performance Q on 912 S, (hopefully the Eend can come to the rescue). :P

912's redline @ 5800rpm. Cruise @ 4800-5000. My 912S is fitted with a Warp drive 3 blade prop, cruises @ indicated 95mph @ 4300 rpm. However on full power for take off and climb she only gets to 5200 rpm indicated on the dial :? :?:

Can this max rpm be because of the pitch of the prop set for cruising or is it more likely an error on the rpm indicator?
Nooitgedacht: 124.8 Alt 1050 ft
S 32°16'49.8 E 18°53'33.0
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Duck Rogers
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Postby Duck Rogers » Thu Nov 23, 2006 6:23 am

No rescue necessary. Demon's nailed it for you. :D
Airspeed, altitude, or brains....you always need at least two
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GR8-DAD
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Postby GR8-DAD » Thu Nov 23, 2006 8:55 pm

Thanx guys, makes sense and gives piece of mind knowing things are "all-right".

I'll leave the pitch as is, prefer the higher cruise above the more potent climb rate. Besides, she takes off in 100m and climbs like mad exceding my expectations :P :lol:
Nooitgedacht: 124.8 Alt 1050 ft
S 32°16'49.8 E 18°53'33.0
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