Tornado Burner's.
Hi all,
Have seen quite a few ignitor problems over my time photographing the Tornado but not seen this before,curious as to the reason behind it. Is it to burn off excess oil? Failed burner ignition http://img.photobucket.com/albums/v3...LOS130208B.jpg Normal burners http://img.photobucket.com/albums/v3...LOS130208C.jpg Why? Quite a sight.... http://img.photobucket.com/albums/v3...LOS130208D.jpg http://img.photobucket.com/albums/v3...LOS130208E.jpg Some great light today,a couple others. http://img.photobucket.com/albums/v3...LOS130208G.jpg http://img.photobucket.com/albums/v3...LOS130208M.jpg As I said just curious about the burner problem.A glorious day at Tonkatown North. Ranger |
Tornado pix
I have no clue re the smoke but I do know a superb photograph when I see one (or several in your case) and I just wanted to acknowledge same, especially the final one in your post.
Thanks, Eagle402. |
Typically a blocked hot-shot injector due carbon build up. No lightup - Fuel flow goes in unburnt and gives the smoke until pressure ratio hits limit and reheat cancels.
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Going for your A2 as well then Bbop.
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So what you're saying is that Tonka is in need of a decoke or someone forgot to offset their CO2 emissions! Ha :}
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Typically a blocked hot-shot injector due carbon build up. No lightup - Fuel flow goes in unburnt and gives the smoke until pressure ratio hits limit and reheat cancels. |
Sh*t in the carburettor . . . . . . . . . . . . . . . . . . . . . . .
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bigbluecar,
Agree! It worked a treat on the squadron Land Rover, but the MTO was less than amused when he found out! Best, The Night Owl. |
I knew the Jet Cat model turbines would do that.
I didn't know the real deal would! Ha. |
Rigger1
Is that a question or an order? |
Thanks for the sensible replies guys.
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Odie,
The old 'Speedo Cable' trick is barely used now, and there is a specific RR MAGERD kit for the job. It is basically a baffled pipe that is vented to Atmos which screws onto the Hot Shot ignitor in place of the fuel pipe, and the engine is then run at Max Dry for a few minutes. This reverse purges the ignitor, and is a pretty effective way of cleaning the ignitor. The trouble with the speedo cable method, is that it used to eventually knock the tip off the ignitor, with the associated FOD problems!! As you quite rightly say, in the event of a non-light up, the Working Line Limiter will then cancel the nozzles to Normal Dry Range, once the Nozzle position (Aj) has reached 70 - 75% with no pressure increase in the jetpipe. Cheers, Flipflopman |
"Burner's":ugh::ugh::ugh:
please google apostrophe abuse:= |
Something worse than a burner blow out I think.
Picture 1 shows a classic burner blow out as subsequently described but the ac is on the threshold. In pics 3 and 4 the ac is on the taxiway still belching smoke, i.e not a burner blow out which has cancelled correctly to dry range nozzles. Could the reheat fuel still be pumping into the nozzles? I (we) should really get out more. Ray |
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