It could just be a normal floating sentry, exept floating near the engineer. Wrangler controled?

You open your engineer's menu and select 'Control Turret' then get a first person view as you strafe mercs, I guess.

aculy that is a grat idea.vale add this and give me one

If it could ajust its height when on elevated surfaces that would be cool :)

LIke if it was on stairs.flying on stairs

My guess He would replace the sentry on the pda, So if you click on the 1 of the pda to build a sentry once you have already built this flying menance you would take controll of it. With the same wasd and mouse1 contolls, it will probably funtion as a more of a drone than a sentry used to scout out areas and be annoying to the enemy team. Im afraid though if it were ever implimented into the game there would be a ton of exploits regarding this item.

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░░░░Add it now Valve!░░░
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if you say that and you all think its cool just click i would like to see it in tf2 and suporter put in the commets asking for one so valve also gives credit to suporters

valve please add and give me one

umm... can i haz ane two? O3O

well we could use the model the contoler n his hand as a new pda that he could let him build it and put him in first person mode of it but when he doesnt have it it follows him and shoots its self good idea add this epic iteam valve and please give me one

it shows in the second video like it follows the enigneer and you use your mouse to fire it