eetrojan
Pattern Altitude
My school has a 1984 Cessna 172P. When it left the factory, it had a 160 HP Lycoming IO-320-D2J engine. In 1991, the owner installed a 180 HP Lycoming O360-A4M, using "Air Plains" STC SA4428SW.
Looking at the POH supplement, the Vso/Vs stall speeds increased from 33/44 KIAS to 40/50 KIAS. Why?
Is it simply because the larger engine is heavier and the CG moved forward?
Since the POH approach speeds didn't change (still 60-70 KIAS), what practical affect if any does the increased stall speed have on the way you fly the plane?
Edit: fixed date from 1999 to 1991.
Looking at the POH supplement, the Vso/Vs stall speeds increased from 33/44 KIAS to 40/50 KIAS. Why?
Is it simply because the larger engine is heavier and the CG moved forward?
Since the POH approach speeds didn't change (still 60-70 KIAS), what practical affect if any does the increased stall speed have on the way you fly the plane?
Edit: fixed date from 1999 to 1991.
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