Robert C Harrison wrote:
>
> Hi! Mike.
>
> Yes I explained that even with the clips you now see, the PFA require
> another *_inverted L_* shaped clip pop riveting to the lower cowl
> either side of the spinner so that the foot of the inverted L
> engages with a suitable slot in the upper cowl by depressing the upper
> cowl to get it behind the foot of the L.
>
> Ive re-read this description a number of times and cant think of a
> way to improve it.
>
>
Bob & All
You need to remember that the pressure inside the cowl is quite high,
;-) a few inches of water pressure equivalent to 60/80 kts airspeed,
(guess of internal cowl pressure). Multiply 1/2 PSI by the area of the
cowl and it adds up to a serious amount of load. 500 lbs? I think PFA
are right.
Graham
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