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Yes, I agree with Mark, if you are going to try the knock
sensor route, then something like this might work. This particular one is
probably "tuned" for piston engines - so the question I would ask them before
buying is whether it would work with a rotary engine. The engine sound
spectrum are likely to be quite different.
Actually, the rotary engine noise might be simplier to
handle in that you don't have pistons, connecting rods and valves all banging
and tapping away - so the spectrum might be a bit less noisy. If so, the a
knock might be easier to identify in a rotary.
Ed
Sent: Friday, March 04, 2011 9:53 AM
Subject: [FlyRotary] Re: Knock sensor and
indicator
Chris,
Mark
On Fri, Mar 4, 2011 at 8:43 AM, Chris Barber <cbarber@texasattorney.net>
wrote:
Since I have had an issue with detonation, I am contemplating
adding a knock sensor. What do y'all know about this addition. I
do not believe Tracy's EM has a
provision for a reading, so, what might be a good route to take. The
brief research I have done shows different frequencies, types
etc. What would be correct for a rotary, both as to a sensor and
something to notify me in the cabin? Thanks. I am
about to replace ALL my apex seals and soft parts and hopefully finally
lick this issue....hopefully....did I mention
hopefully...determinably...persistent? (heck, I wasn't planning
anything else this weekend <g>)
Chris
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