Quote:
Originally Posted by D.B. Andrus
The first 109 appears to be a G-10 of Erla manufacture. Note oil cooler - diagnostic of this version.
Cheers,
D.B.
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Almost certainly an Erla machine. As you point out about the oil cooler shape. Also note the lack of external "bumps" to cover the 605 relocated oil lines. Erla did their own lower cowl design.