Mailing List flyrotary@lancaironline.net Message #7534
From: <kenpowell@comcast.net>
Subject: Wanted RV-4 dynafocal mount
Date: Sat, 24 Apr 2004 03:14:26 +0000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Thanks Mike,
I knew that there were different lengths but didn't know the details.

Ken Powell
> At 19:28 2004-04-23, you wrote:
> >Looking for an old mount for a bargain price.  Any of you guys that
> >converted to long legs have a short leg mount you want to part with for a
> >salvage price?  I'm working on an engine stand project and need a dynafocal
> >1 mount preferably for an RV-4.
> >
> >Located in Portland, OR, so closer is better but I'll consider anything
> >within reasonable shipping distance.
> >
> >No need to reply to the whole list, email me back directly.
> >
> >Do not archive
> >
> >Thanks,
> >Mike
> >
> >Mike McGee, RV-4 N996RV, O320-E2G, Hillsboro, OR
> >13B in gestation mode, RD-1C, EC-2
> >--------------------------------
> >Mike,
> >I bought my RV-4 mount about 2 years ago - do I have the short or the long
> >legs?  How do I know, ie., how long are the 'short' and how long are the
> >'long'?
> >
> >Thanks,
> >Ken Powell
>
>
> You've got the long legs.  I don't have measurements for the difference
> between the two.  I think the original was designed to accommodate a 70"
> prop and the later revision will accommodate a 72".  This is in order to
> have a certain ground clearance as specified by Van.  I think it's 6" when
> the fuse is level.
>
> You have to go back to about the mid 90s to find the short legs.  The long
> legs were a revision to accommodate longer props on 180 hp engines.  The
> original RV-4s were designed for an O-320, not an O-360.  Then all those
> old ex-hot-rodders got into building airplanes...
>
> Mike McGee, RV-4 N996RV, O320-E2G, Hillsboro, OR
> 13B in gestation mode, RD-1C, EC-2  
>
>
>
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