Re: PT Nosebowl

[Herb Carper]

'I have two PT nosebowls, and the hole for the prop shaft is different. One is 3-1/2 in. in diameter and the other is 4-1/4. They both appear to be done by the factory. I presume that the larger hole is a later design to provide more clearance for the prop hub, but I'm not sure of that. Does anyone know which one is the appropriate one to use?

Herbie Carper
Uvalde, Texas


[Non-text portions of this message have been removed]'

[mdaero1941@aol.com]

'Herb - I would use the larger one to be sure that you have enough side
clearance for the spacer which goes behind the prop hub. I have also seen crank
shafts on some planes which come through the nose bowl a little off center.

Mark Denest


[Non-text portions of this message have been removed]'

[Herb Carper]

'Thanks Mark. I will. That nosebowl is in better shape than the other one anyway.

mdaero1941@aol.com wrote:Herb - I would use the larger one to be sure that you have enough side
clearance for the spacer which goes behind the prop hub. I have also seen crank
shafts on some planes which come through the nose bowl a little off center.

Mark Denest


[Non-text portions of this message have been removed]





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[Non-text portions of this message have been removed]'

[Michael Denest]

'The one that fits your cowling panels the best without
having to muscle them on.

--- Herb Carper wrote:

> I have two PT nosebowls, and the hole for the prop
> shaft is different. One is 3-1/2 in. in diameter
> and the other is 4-1/4. They both appear to be done
> by the factory. I presume that the larger hole is a
> later design to provide more clearance for the prop
> hub, but I'm not sure of that. Does anyone know
> which one is the appropriate one to use?
>
> Herbie Carper
> Uvalde, Texas
>
>
> [Non-text portions of this message have been
> removed]
>
>

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