14 Mar 2025, 03:04 [ UTC - 5; DST ]
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Post subject: Re: Aerostars Posted: 18 Feb 2025, 01:17 |
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Joined: 08/07/17 Posts: 508 Post Likes: +954 Location: Houston, TX
Aircraft: B737,RV8,T28,B25,C47
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Now a maintenance question for youse guys regarding the gear warning horn system, specifically the throttle switches. Reading the Maintenance Manual Landing Gear section it says that the gear horn will sound upon power reduction at around 13-14" mp; our right throttle switch seems to be adjusted properly, but the left throttle will trigger the horn at around 18+" mp or so. We'd like to tweak it down a bit, but can't find any guidance in the Mx Manual; page 4F24 makes a brief mention of the existence of the switches and how to remove/replace the horn assy, but not a peep about how to adjust the switches.
I did remove the throttle quadrant side cover and found the switches with flashlight and mirror, but access looks tight... has anyone had to tweak these things? Any words of wisdom to attack them?
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Post subject: Re: Aerostars Posted: 18 Feb 2025, 18:30 |
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Joined: 08/07/17 Posts: 508 Post Likes: +954 Location: Houston, TX
Aircraft: B737,RV8,T28,B25,C47
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Username Protected wrote: Do throttles seem synchronized in cruise? If you set both at 18" are the throttles aligned with each other? Yep, the throttles are matched. This ship (600A) was a "barn find" brought back to life by The Flight Shop; they did a fine job on the engine control rigging... throttles/props perfectly matched and RPM right up to 2575 RPM on takeoff.
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