Jetman
Junior Member
Joined: August 2022
Posts: 81
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Post by Jetman on Sept 18, 2023 17:02:58 GMT -5
Fuel control...work in progress..!!  |
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Post by racket on Sept 18, 2023 18:13:35 GMT -5
Your combustor lid sorta indicates some abberations , where is your air delivery tube from the comp housing attached to the combustor outer can ??
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Jetman
Junior Member
Joined: August 2022
Posts: 81
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Post by Jetman on Sept 18, 2023 18:47:54 GMT -5
Old pic..intake pipe is located between secondary and tertiary holes: ibb.co/C7gGrsq |
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Post by racket on Sept 18, 2023 20:49:16 GMT -5
Is that a gap in the slipjoint at the top plate ??
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Jetman
Junior Member
Joined: August 2022
Posts: 81
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Post by Jetman on Sept 18, 2023 21:19:34 GMT -5
No, it is sealed really well..
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Jetman
Junior Member
Joined: August 2022
Posts: 81
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Post by Jetman on Sept 23, 2023 17:40:08 GMT -5
Had a few successful tests today!! Really gets the adrenaline pumping… what is the max temperature you would recommend staying under for startup??
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Post by racket on Sept 23, 2023 18:12:13 GMT -5
Congratulations :-)
Max spoolup temps will depend on the duration of spoolup , if its only several seconds then the temp can be higher than if its a dragged out 30 seconds or longer , but there shouldn't be a need for anymore than 900 deg C -1650 F for a short spoolup or 700C 1300 F for a longer one .
If we need higher temps for longer duration then either the starter isn't powerful enough or theres a problem with the engine's configuration , like a too tight a jet nozzle .
Cheers
John
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