Catapult T/O Trim Chart

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Expand view Topic review: Catapult T/O Trim Chart

Re: Catapult T/O Trim Chart

by Gixxer » Tue Jan 08, 2019 9:47 am

from what ive read(not sure how true, its from the internet) 12 degrees for shore take off and pull back on stick at around 150

Re: Catapult T/O Trim Chart

by Hedgehog » Tue Jan 08, 2019 7:36 am

For catapult launch, trim settings should provide for a hands-off cat stroke and launch. Hornet's FCS is supposed to put you in the air with no pilot input until a positive climb rate is achieved. That's what the "towel bar" handle is for. The "shooter" is not supposed to send the plane until he see's the pilot's right hand gripping the towel bar, NOT on the stick. Left hand is supposed to be holding the throttle in AB so that momentum from the cat stroke doesn't retard the throttle.

For runway take-offs, I don't know. Seems to be more-or-less pilot preference. Personally, I like I lot of trim to let the nose come up by itself by 170 kts. More weight, more trim.

Re: Catapult T/O Trim Chart

by Lion » Tue Jan 08, 2019 1:03 am

At full bomb load on runway start I usually have to set it to about 19 degrees trim for it to rotate at 200 kts. Otherwise I have had tires blown out and have to pull the stick manually.

Re: Catapult T/O Trim Chart

by Trim » Tue Jan 08, 2019 12:46 am

Not sure on the weight. No I just let it fly itself off the deck.

Re: Catapult T/O Trim Chart

by Specter13 » Tue Jan 08, 2019 12:41 am

Even with max weight? And are you pulling on the stick?

Re: Catapult T/O Trim Chart

by Trim » Tue Jan 08, 2019 12:37 am

I have taken off from land every time with trim set to 12. Never had an issue.

Re: Catapult T/O Trim Chart

by Specter13 » Mon Jan 07, 2019 10:24 pm

I believe the chart is for ground and ship. Ive tried taking off before with no trim set higher than 12 and blown tires out. Test it though

Re: Catapult T/O Trim Chart

by Gixxer » Mon Jan 07, 2019 6:01 pm

Hedgehog wrote:
Mon Jan 07, 2019 4:13 pm
Is there a similar chart for runway T/O?
I believe the 12 degrees the t/o trim button gives you is good for any runway takeoff

Re: Catapult T/O Trim Chart

by Hedgehog » Mon Jan 07, 2019 4:13 pm

Is there a similar chart for runway T/O?

Re: Catapult T/O Trim Chart

by Trim » Sun Jan 06, 2019 2:24 pm

I believe that is true as well, however, IRL I don't think I ever saw a jet launch from the cat without being in AB.

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