pdf Gfa ad 276 issue 2 Popular
By Tim Shirley Tagged in G109, G109B, IS28M2, IS28M2/80 1135 downloads
gfa ad 276 issue 2.pdf
HOFFMAN VARIABLE PITCH HO-V 62 R/L 160 T PROPELLER WHEN FITTED TO LIMBACH 2000 SERIES ENGINES
Applicable to all Grob 109 and IS28/M2/80 hp series. During 1983, the manufacturer became aware of blade cracking, apparently related to induced stress while operating over 2900 RPM. German AD 83 150/4 issued 21/12/1984 and Hoffman SB No. E4C (Rev.1 11/12/1984 was issued bringing forward the final date limiting propellers that have nor been modified to 31/03/1985).
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