Additionally, I'd really like to see them demonstrate a maneuver closer to the one where they have to slow down a very fast horizontal motion.
What you would like is largely irrelevant. Again, the LLTV is designed for simulation of a very specific part of the descent profile, not the entire thing from orbital descent.
So why not put some top-weight on there to better emulate the LM?
Because that is your layman's expectation of what it should look like, based on no understanding of the actual purpose of the vehicle.
Isn't "emulation of the LM as close as possible, the goal?"
No, that's your interpretation of it so you can claim it's suspect.
And... here again, for all 3 examples, I'm not seeing where they are using their manual jets to supply ANY of the 17% of upward thrust.. It appears the jet engine is still doing all of the lifting. This doesn't seem to match what Armstrong claimed repeatedly. What's the deal?
The deal is you don't understand how the machine was designed to work, and I have already explained your error earlier. The jet is ONLY there to counter 5/6th of the weight during the descent phase. There are other rockets firing to simulate the DPS, and you can't see them because they don't generate a visible plume in steady state combustion in daylight. The little jets are only the attitude control system. Again, this is 'emulating the LM' in that you have one system providing the main thrust and the RCS providing attitude control.
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