We bought a new jet engine... can we boost it?!

Comments · 2.2K

• MI

  @michaelgammage4524 · 2 years ago

  Not enough people confirm negative experimental results. Such a good way to improve your intuition.

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• LE

  @leoa4c · 2 years ago

  I did notice the fact that you do not advertise on this channel. In fact, that&apos;s one of the main reasons why I like and respect this channel so much.<br><br>It is an unavoidable truth that whenever a YouTube channel starts adverting products and/or services which the host will never use, there is a high probability that a gradual change will start to take place. The motivation to produce a video starts to be more and more driven by financial rewards rather than intellectual ones.<br><br>A line of thust is cut between the channel and its audience. Some of the audience will, to an extent, feel conned for having been lured into a long, seemingly useless, perhaps misleading advert.<br><br>Thank you ever so much for honestly caring about your viewers and their viewing experience.<br>Such posture will never go unnoticed.

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• MA

  @MarkSparks-xd9yy · 2 years ago

  This guy is my favorite mad scientist.

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• XB

  @xBIGMUSCLEx · 2 years ago (edited)

  You got a reduction in thrust because the volume of air entrained couldn&apos;t make up for the massive pressure drop the augmenter created. It expanded the the nozzle area rapidly reducing exhaust velocity. Lower exhaust velocity for relatively the same air mass flow means a reduction in thrust. <br><br>It works on the pulse jets because their exhausts are at a much higher velocity (supersonic) due to the fact they have a detonative combustion process compared to deflagrative for the jet engine, so the augmenter essentially becomes like a convergent-divergent nozzle for them, helping their exhaust expand for greater velocity.

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• TE

  @terrypitt-brooke8367 · 2 years ago

  The fact that you published &nbsp;video with a disappointing result demonstrates your integrity. &nbsp;I&apos;m looking forward to the pulse jet iteration!

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• MI

  @mickeyfilmer5551 · 2 years ago

  You&apos;re the Bloke millions of kids would want as their dad !! my dad was useless at everything, which is why I became an engineer, and now have five kids with good University Degrees and the youngest (Number six) doing four A-levels to get him into university here in the UK. Your Videos are inspiring to young engineers worldwide. Thank You.

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• RR

  @RRFTube · 2 years ago

  Thank you for avoiding sponsors, may the algorithm be with you.

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• CH

  @Chief351L · 2 years ago

  I spent a few years working with the two main manufacturers of successful RC Turbines; AMT USA &amp; RA Microjets. There’s a few things that are working against you here, but the main thing is the overall design in several areas. &nbsp;The self-start &amp; cool down motor at the inlet is a problem and causes problems with flow compared to how we used to start these manually. &nbsp;The next major design problem is the burner can design that has so many variables that affect where the fireball is positioned inside. The next is the NGV’s (nozzle-guide vanes) which is mounted at the rear just inside the tail cone and what it’s attached to along with the internal housing. &nbsp;Next would be the tail cone itself and for this turbine to produce the specs it comes with stock. &nbsp;There are a lot of limitations in front of you and the tailpipes we use in the RC Jets we fly need a specific design for what turbine is used. <br><br>We’ve already tried a lot of really crazy attempts to make there more efficient but there would need to be another system tied into the FADEC that would adjust the monitoring of the EGT’s to keep the &nbsp;turbine from ramping down. &nbsp;From memory we had the best results from creating a duct for the turbine and then a larger cone that went over the tail cone that was slightly shorter that the length of the tail cone. &nbsp;<br><br>The problem in the end is the single stage turbine itself and the design because you’re chasing so many little areas already in place that it’s working against you. &nbsp;There are a few guys in the Netherlands that may still be interested in offering some thoughts. <br><br>BTW… the 25hour mark for maintenance is quite amusing except maybe for the first maintenance check because the interval that we used years ago was 250hours on bearings before they needed to be changed so I don’t know how that got so much worse since they are still using ceramic bearings. We had test turbines that were run for a couple thousand hours without failure but they were never in an aircraft or anywhere that there was a chance for FOD. <br><br>Keep pushing ahead because I’d like to see what you come up with but there’s some changes needed like that big plate in front of the turbine isn’t needed at all and is causing its own problems. &nbsp;Lastly please know that if you’re using an extinguisher that puts out powder it will immediately damage the turbine wheel, compressor housing and bearings. &nbsp;You only want to put the extinguisher where the fire is burning like with a wet start. &nbsp;Things get really exciting with the wet starts but you will want the ability to keep moving air through to keep the flame “Aft”. &nbsp;We used electric leaf blowers (still do) to cool them down and keep air moving through them the turbine to cool it down or keep the flame out of the tailpipe. <br><br>Good luck! &nbsp;It looks like the fun we used to have..!

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• CO

  @compub3ar · 2 years ago

  This is my tributary comment for the algorithmic gods. May your subs grow ever higher

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• MU

  @musicmakelightning · 2 years ago

  Love this channel. &nbsp;Engineering every kid would have loved to but never had the funds or the parental approval. &nbsp;Glad to see a parent who is still a kid.

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• VA

  @Vandelay666 · 2 years ago

  Thank you for not having annoying sponsorships. Love your channel

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• MA

  @Mad-Jam · 2 years ago

  Propane guy here. You have 2 holes near the torch base. That uses same principles (i think it is some type of venturi) to mix air with jetted propane.

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