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Everything posted by dkkim73
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To intercool or not to intercool?
dkkim73 replied to T. Peterson's topic in Modern Mooney Discussion
In theory you will get more oxygen so should be able to add fuel and get more power, thus speed. Might even be about to do it LOP. The practical answer would come from someone who's done this exact thing... Did the vendor give you any claims or reference points? -
Encore TKS FIKI performance in moderate icing?
dkkim73 replied to Beestforwardspeed's topic in Modern Mooney Discussion
I have wondered about that. Some have opined that the tank sizing is to keep you from being too aggressive or cavalier, but it would not seem to be a bad thing to have an emergency backup. The filler system is open-topped and gravity fed, so I wouldn't imagine it would cause any issue if you added a way to drip fluid into it. -
I used to want to put a Mazda RX engine in an RV-7/8 or EZ variant. There is a guy, Tracy something or other, who did this and wrote a book ; interesting read (helpful to speak with, too). Never got around to experimental building but I liked the power to weight. I imagine the failure modes would be less catastrophic than reciprocating. Only had an MX-5 but always like the ease of working on it and the inexpensive documentation.
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Encore TKS FIKI performance in moderate icing?
dkkim73 replied to Beestforwardspeed's topic in Modern Mooney Discussion
Yes! I used to plan very carefully near large bodies of water... Or cold water. Glide range of land at all times. The altitude is a great thing and good peace of mind. Including with high terrain. The turbo and FIKI combination offers a lot of buffer... -
Encore TKS FIKI performance in moderate icing?
dkkim73 replied to Beestforwardspeed's topic in Modern Mooney Discussion
Maybe obvious, but if you're a bit behind the curve, you can also flip it to Max. Seems to fill out much quicker to "jump start" things. I've overall been amazed by how well it works. I have briefly been in accumulation that might be "moderate" rates based on the above, and it seemed to keep up. A few brief encounters incl. with some lighter returns definitely got my attention (and a course change). But my experience base is limited so I defer to the others here... Just like other things, it's nice to experiment first by dipping your toe in. E.g. less ice-prone conditions and more outs. Some mentioned the tail. A FIKI bird should have panels on those leading edges. D -
It's funny (I think I mean odd) that I flew a cross-country (headwind) yesterday, ROP, and noticed my CO detector above 0 for the first time ever in cruise (around 10, though the memory showed up to 30, maybe from a prior taxi with the door open). I experimented with vent settings and got it to go down again. Then I noticed it was back up near the end of the flight. I was running the cabin heater a lot, so the cross-over heat transfer shroud naturally came to mind. It's in to have another thing checked right now, asked them to look at exhaust system and potential leaks. Recently had cylinders replaced (3 and 4) and I think they dropped the exhaust in place rather than removing the bands. I don't know the exact details, but hopefully no torquing-related cracks... I seem to recall hearing that setting that up and relieving the stress can be tricky. Will report back if I find anything enlightening. D
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Hello all, I recently bought a Brightline B7 bag (from Gallagher Aviation, @OSUAV8TER, great selection of various things and communication). I'm moving stuff over from my big prior bag, trying to pare down what I take with (I still carry some charts), and just wondering if anyone had any slick tips on configuration. The bag is insanely versatile, so although I have already come up with some placements I'm sure there are ways to optimize. I usually fly solo for work, so I'm thinking it will slip nicely over the RH seat with the strap keeping it from falling forward. Facing the 3 pouches (9 compartments, or is it 27, or 81? ;)) forward. Any advice appreciated, David
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My father in law is in that range, was no problem even though I gave him my original headset with a battery pack on top.
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BTW I'm sure I speak for a lot of people here in saying 1. Glad you're ok! and 2. Good situational awareness!
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Impressed. I don't have the guts to try inverted in a Mooney.
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Thoughts on AOA & Carbon Monoxide (Which Ones)
dkkim73 replied to Max Clark's topic in General Mooney Talk
Ay caramba! Nothing surprises me anymore from that jurisdiction.. but then it occasionally does, LOL. There is probably a story there, maybe trying to drive work to certified installers. Makes little safety sense. Re: the timing, I've noticed that disseminated enforcement of these things tends to lag initial implementation. Amazon is large enough that i would guess either they got "informed" of some of these laws or some Asst. Director of Ninnyness finally got around to that batch of compliance work. You might have better luck with an independent re: seller... -
Thoughts on AOA & Carbon Monoxide (Which Ones)
dkkim73 replied to Max Clark's topic in General Mooney Talk
+1 for the Forensics CO detector. It seems pretty sensitive and seems to work well. It's picking up stuff way before the Sentry. I did run out of battery once which might be my fault, but it uses CR2032's so no big deal. There is a few-minute startup calibration, I just hit it when I do my initial in cabin acceptance check and start the pre-flight. Very happy so far, made me much more aware of exhaust on taxi with doors open, etc. Thinking to maybe add a panel mount CO detector at some point, e.g. with a clock/timer. But feels less urgent now. Would be nice to log the output if it connects to your avionics, but hardly a necessity. Looking much harder at an AOA indicator, probably the Eagle that's been described well on recent threads. I like the idea of having it very near, or in, line-of-sight. -
Love the approach! My plane has no beacon or recognition lights, just strobe and nav (and of course the fwd-facing landing and taxi). I've wondered about putting in something like a beacon for just taxiing area without running the strobes. I'm not entirely sure of the reasons for the different light configurations.
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Was looking around at the physiology and treatment. Found an interesting bit on UpToDate (treatment ref. for docs): "High-flow oxygen — In a patient with suspected or confirmed CO poisoning, we recommend initial treatment with high-flow (100 percent) normobaric oxygen via nonrebreathing face mask, regardless of pulse oximetry or arterial PO2. Elimination of CO starts once the patient is removed from the exposure and is almost exclusively via the pulmonary circulation through competitive binding of hemoglobin by oxygen. The half-life of COHb in a patient breathing room air is approximately 250 to 320 minutes; this decreases to 75 to 90 minutes with high-flow oxygen (>15 L/minute) provided via a nonrebreathing mask [61]. Normobaric high-flow oxygen therapy is relatively safe and available, and it hastens the elimination of COHb even though evidence does not exist that, compared with breathing room air, supplemental oxygen actually limits or prevents delayed neuropsychiatric syndrome (DNS). In a trial of CO-poisoned patients, six-week cognitive sequelae were lower in patients who were treated with normobaric oxygen compared with patients not receiving supplemental oxygen (41 [60/146] versus 53 [9/17] percent), but this finding did not achieve statistical significance [62]." Looking at those half-lifes, you would not expect to be OK on a return trip soon after fixing the problem. I had forgot the part about competitive binding with O2. Those facts would imply it has to do with the partial pressure of O2, which would argue for max O2 supplementation in flight and probably a descent. Interesting that they will also "dive" sicker patients using a hyperbaric chamber. I don't have much personal experience in this problem so just passing on for interest. BTW your standard pulse oximeter will not work normally (it sees the carboxyhemoglobin similarly and will think that "color" of blood is carrying oxygen). So don't put on a pulse ox in the presence of an alarm and think "oh I'm ok now". OTOH if the pulse ox is low, you might have a second problem (too high, O2 system not working, etc). as well.
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I had been looking to add a little timer as well (I know there's one on the G1000, also Foreflight, etc; want something more direct). I just noticed that old-school stopwatch on the yoke. How do you like it? I was going to find a backlit kitchen timer or something and velcro it to the panel, but I really like big analog outputs. Would be nice to find one with illumination (3H), harder to find these days.
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I think that looks remarkably clean and sharp! Curious about the green night lighting. I'd read different things about yellow green vs red for night vision, arguments about not interfering vs. Being noticeable, different arguments for cars vs. Aviation, etc. eg BMW Amber lighting in the 70s. Curious if it was a detailed decision or simply a preference in the end?
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iPad Mini 7 introduced 10/15/2024
dkkim73 replied to LANCECASPER's topic in Avionics/Panel Discussion
Pencil works decently but easy to drop. Consider a wrist strap if you rely on it. I much prefer the small kneeboard with paper. Also can have flip pages with home drome, power settings etc. IPad is brilliant for charts, though... -
I wonder which Mooney vents are least likely to pick up exhaust from various sites inside the cowl. I might guess the side cowl vents are least prone (by the pilot and copilot outside legs). The dorsal fin vent supplies all the roof vents I believe... Wonder if the spiraling slipstream will let exhaust leak fumes in there. What about "cabin vent" on the console pillar? Does that pull from up front? I know on my plane the heater is wrapped around the high side crossover pipe from the hot side of the turbos. Worth turning that off if the detector goes bonkers. I've only had CO warnings on the ground with door or storm window open... Usually with light crosswinds etc. Knock on wood....
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iPad Mini 7 introduced 10/15/2024
dkkim73 replied to LANCECASPER's topic in Avionics/Panel Discussion
I got a Mini 6 (with more space) several months ago. Downsized from the more powerful iPad Air gen 5 (great, but large). I do feel the difference (decrease) in speed. Not enough to make me go from the Mini 6 to the 7, but for a new purchaser it may be a pretty meaningful difference (ie. not to buy the older one). It's not crippling, just noticeable in the age of instant responses and rendering. I notice the difference while changing layers in Foreflight, Windy, etc. -
There are some really interesting stories on that site. One of the first I clicked on at an airport I fly into was an Ercoupe (!) crash.
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I had thought the mode of cylinder destruction from a bad plug was pre-ignition, at least the mode we are warned against as a reason for checking plugs, worrying about protruding helicoils, cracked insulators etc. Repeating what I've read, NOT a mechanic... PP thoughts only.
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Or the .88 magnum from Johnny Dangerously.
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It's an elegant weapon from a more civilized age.
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I think the fact it shows a wide time range is kind of eye popping when you open it. Made me think I live in the Bermuda Triangle.