Stef wrote:

"I am bussy to calculate the weight of the engine before I can design
the engine mount. What is the everage weight of the hood or the fairings
or covers around the engine.
I did a small calculation and think it should be around 6 lb."

I would be surprised if the "baffling" most people use weighs more than
three pounds, with two being closer to average.  I know my fiberglass
plenums are probably about a pound for both.  My entire cowling weighs
only four pounds (without paint), but it's carbon fiber and designed to
be very light.  By contrast, the cowling on N891JF weighs 14 pounds,
made quite stout from fiberglass, with insulation built in around the
exhaust (it's very tightly cowled).  Baffling on N891JF weighs around
two pounds, I would guess, but will weigh it next time I'm at the
airport.  It's thin aluminum with thin baffling silicone around the
edges.  The VW is far more difficult to keep air-tight than the Corvair,
which has two simple surfaces to bolt a plenum onto.  

For those who don't know what I mean about the plenums, see
http://www.n56ml.com/corvair/plenum/.


Mark Langford, Harvest, AL
ML "at" N56ML.com
www.N56ML.com 


-------- Original Message --------
Subject: KR> weight engine fairings
From: stefkr2--- via KRnet <krnet at list.krnet.org>
List-Post: krnet@list.krnet.org
Date: Mon, September 28, 2015 3:12 am
To: Kr net Kr net <krnet at list.krnet.org>
Cc: "stefkr2 at kpnmail.nl" <stefkr2 at kpnmail.nl>

KR friends,
I am bussy to calculate the weight of the engine before I can design the
engine mount. What is the everage weight of the hood or the fairings or
covers around the engine.
I did a small calculation and think it should be around 6 lb.
What do you all think or what is the weight of yours.
Thanks Stef
--
Steph and his dad are building the KR-2S see
http://www.masttotaalconcept.nl/kr2


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