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Eric_Kallio
Joined: 29 Jan 2006
Posts: 149
Location: Baton Rouge, LA
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 Posted: Tue Dec 29, 2009 8:05 am Post subject: Plenum with Lightspeed ignition |
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Anyone out there install the Sam James plenum with a lightspeed ignition? I am using the Plenum and cowling from Sam and Will James, however with the ignition coils mounted on top, I don't imagine the plenum will fit without more modifications than will already be necessary. Has anyone else used this setup that can explain how they addressed the issue?
Eric Kallio
N518RV FWF and panel installation.
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Deems Davis
Joined: 09 Jan 2006
Posts: 925
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| Posted: Tue Dec 29, 2009 9:52 am Post subject: Plenum with Lightspeed ignition |
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Eric
Ed Hayden has Lightspeeds and the Plenum/Cowl no modifications were
necessary for the LS. here's an album with several pictures of his
plenum installation.
http://deemsrv10.com/album/Ed%20Hayden%20RV-10/index.html
Deems Davis
N519PJ
www.deemsrv10.com
Eric_Kallio wrote:
| Quote: |
Anyone out there install the Sam James plenum with a lightspeed ignition? I am using the Plenum and cowling from Sam and Will James, however with the ignition coils mounted on top, I don't imagine the plenum will fit without more modifications than will already be necessary. Has anyone else used this setup that can explain how they addressed the issue?
Eric Kallio
N518RV FWF and panel installation.
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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robin1(at)mrmoisture.com
Guest
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| Posted: Tue Dec 29, 2009 9:52 am Post subject: Plenum with Lightspeed ignition |
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Eric,
As the owner of a flying -10 James cowl and (highly modified)
plenum I would CONSIDER a baffling system over the plenum if I had
already committed to the cowl and knowing what I know now. I see
absolutely no benefit to my plenum and several negative considerations
with installing the plenum. These include a complicated mod to fit
around the oil dip stick. A modification everyone has to do because the
plenum does not align with cowl (who would have ever guessed one would
use their SJ -10 plenum with their SJ -10 cowl). The issue you mention
with using alternative ignition systems and the fact that for me to take
off the cowl is about a 4 minute job. Add another 10+ minutes off and
10+ minutes on. What looks like 8 minutes (round trip) for a cowl is
something closer to 30 minutes every time you want access to the top
deck of your engine (or ignition system, fuel lines, spark plugs, turbo
nozzles [yes you will eventually be adding turbo nozzles]).
The benefits of the plenum? Speed, no as far as I can tell Tim's plane
is faster than mine and he has 33 less Hp (but generally flies in cooler
OAT's than I), good looks, not really kind of hard to see, cooler
temps... well that is another story all together.
Don't get me wrong I don't know the unintended consequences to
using a baffle system with the James cowl but I do know that all the
benefits I thought I would be getting with the Plenum have not
materialized while several un-beneficial items have making the plenum a
net negative in my mind.
Good luck & Happy New Year,
Robin
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