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1. 10:34 PM - Re: Vetterman Exhaust (Russ Alnutt)
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| Subject: | Re: Vetterman Exhaust |
--> RV6-List message posted by: "Russ Alnutt" <rsalnutt@inreach.com>
Use a 1/8" by 3/4" wide flat strap and mount it across the two tubes using
the original clamps. Bend a piece of the same strap at a 90 degree bend,
weld to the cross strap and drill a hole at the top of the 90 degree bend.
Use an automotive rubber strap and attach to the cross tube behind engine
and clamp with an adell clamp. I have had mine on for three years with no
problems. Oh by the way, I never used Vettermans exhaust mounting kit right
from the start.
Russ
----- Original Message -----
From: "Brian Holman" <bholman@iinet.net.au>
Subject: Re: RV6-List: Vetterman Exhaust
> --> RV6-List message posted by: "Brian Holman" <bholman@iinet.net.au>
>
> Don't bother with the drawings for the exhaust support. The supports
shown
> are a joke, almost anything you come up with will last longer, the pieces
of
> steel tube supplied (steel fuel line I think) crack in no time and the
> clamps on the exhaust don't clamp!
> If you link the two exhaust ends together fairly rigidly and then support
> them very flexibly from above off the engine mount, they should last well.
> Remember that the engine rotates about the axis of the crankshaft quite
> violently at start up. (approx. 5/8" in each direction when measured at
the
> rocker boxes and much the same at the attach point of the exhaust, when
> using a metal prop) This is why the standard intake airbox ( FAB 320 etc)
> can lead to the carby bowl coming loose as happened to Ken at Van's and to
a
> couple I know of. The rubber seal to the cowl is MUCH to rigid to allow
for
> the engine twist at start up, and also why the seal wont stay in place on
> many of the 6's.
> PS The engine also moves about 5/8" down (measured at the alternator
> pulley!) at about 3g with the standard dynafocal mounts. You will need at
> least 3/4" clearance off the pulley if you intend to do aero's with the
> standard mounts and don't want the pulley to come through the cowl.
> Photos attached, maybe!!
>
> Subject: RV6-List: Vetterman Exhaust
>
>
> > --> RV6-List message posted by: "Mike Comeaux" <mcomeaux@bendnet.com>
> >
> > Does anyone have a clear picture of the supports that attach
> > to the exhaust system. The drawings are not real clear.
> > Thanks in advance..
>
>
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