FWIW, the majority of small Continental engines, C-85, C-90, and O-200 invariably have the EGT and CHT running hottest on the back left cylinder. The point being, unless you are using them for the rare occasional need for diagnostics, the only cylinder you will ever be monitoring is #1, the back left. If the left rear is within the high temperature bounds, you can rest assured the rest are well below it. In the KR, the temps tend to even out at cruise, but during climb, the back left is always hottest, followed by the front left, the back right, then the front right being always cold no matter what you do. Knowing that Larry has a very similar configuration with the same cowling and exhaust, I think I know which cylinder I would want to monitor.
FWIW, I spent nearly 20 years working on CHT temps, although the back left was the only one that ran hot and that was only during climb. It wasn't much of a problem until I installed the Emags as the timing advance really drove up the CHTs and Oil temps (and significantly dropped the EGTs as more fuel was being burned in the cylinders rather than the exhaust). It took a lot of fiddling, but I was eventually successful in that it never exceeds 380°F in climb, and always runs under 300° in cruise. In economy cruise, all the CHTs drop down around 200 or less. -Jeff Scott Arkansas Ozarks. > Sent: Sunday, July 26, 2020 at 2:16 PM > From: "Flesner via KRnet" <krnet@list.krnet.org> > To: krnet@list.krnet.org > Cc: "Flesner" <fles...@frontier.com> > Subject: Re: KR> cht / egt instrument > > On 7/26/2020 8:05 AM, Jim Chuk via KRnet wrote: > > When > > I rebuilt my Avid Flyer, I installed an MGL E1 engine monitor. It is a 3 > > 1/8" gauge that gives you egt, cht, oil temp, oil pressure, volts, tach, > > hobbs, and flight timer. > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > I've test flown several experimental projects for friends that had a > "multi-purpose" gauge and I never got to liking it. I don't like to > have to push buttons to get the info I want. I like being able to look > at a gauge and get a direct reading. I have a stand alone rpm, oil > temp, oil pressure gauge and single point EGT and CHT gauges. If I > install the one in question I'd leave it set to read all four CHT's at > once and only switch to EGT reads to lean in cruse. > > I'd repeat my round gauges, tail wheels, and flip phones outlook on life > but I broke down and now carry my grandson's hand-me-down smart phone. > I'm still stuck on round gauges and tail wheels. > > Larry Flesner > > > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
