Webra bearings

[David Wartel]

Does anyone have the Boca part number and/or dimensions for the FRONT 
bearing for the Webra 1.45?

----- Original Message ----- 
From: "Wayne Galligan" <wgalligan at goodsonacura.com>
To: <discussion at nsrca.org>
Sent: Friday, August 26, 2005 11:41 AM
Subject: Re: Questions About Props


> In using Dave Lockharts repitched three blade APC.
> We go from a 17x12 std APC to the 15.75x10 or 11 3-b APC.
> They originally start out as 15.75x13 3-B APC's
>
> Wayne Galligan
>
>
>
> -- Original Message ----- 
> From: "Jerry Voth" <jjvoth at mtelco.net>
> To: <discussion at nsrca.org>
> Sent: Friday, August 26, 2005 10:29 AM
> Subject: Re: Questions About Props
>
>
>> Master Airscrew's suggestion is to decrease the diameter 1" and increase
> the
>> pitch 1" when changing from a 2 blade to a 3 blade
>>
>> Jerry
>> ----- Original Message ----- 
>> From: "Dieter Rozek" <rozekd at earthlink.net>
>> To: <discussion at nsrca.org>
>> Sent: Thursday, August 25, 2005 11:57 PM
>> Subject: Questions About Props
>>
>>
>> > I'm sure that this has been covered before but how does one go about
>> > figuring out which 3 bladed prop size to use in place of a 2 blade. 
>> > I'm
>> > assuming the the diameter would be smaller but by how much and I'm
>> > guessing pitch affects the size as well.
>> >
>> > Also, this is somewhat related but not an aerobatic question per say.
> If
>> > an aircraft has a pusher prop configuration and is powered with an
>> > electric motor isn't it possible to use a regular prop and just mount 
>> > it
>> > in the same orientation as it would be used in a tractor configuration
> but
>> > just reverse the direction of the engine.  Isn't it also possible to
>> > reverse the direction of a gas engine as well.  If this is the case why
> do
>> > they sell "pusher props", is this so that you don't have to reverse the
>> > direction of the engine.  Thanks for any help with this.
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>> >
>>
>>
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