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@@gokhankotan298 Hello friend, thank you for your interest and subscription. It is like this. Primary = 20% Secondary = 30% Tertiary or dilution = 50%. Sometimes you will see the primary and secondary figures swapped around. I am using 20% primary to give a richer head end mixture. This is meant to promote self sustaining combustion.

@@carlwilson1772 Thank you for the answer carl .According to the literature, is it necessary to enter 20% air into the swirlers?

@@gokhankotan298 Yes, in full size gas turbines the split has to take into account the swirler which is often used to promote recirculation and stable flame holding. In these little turbines, the most common (because it works) is as I mentioned.

@@carlwilson1772 thank you for your interest carl .I designed a reverseflow combustion chamber with 1000 N thrust .Do I need to take into account the 20% swir air in small engines with this thrust?

@@gokhankotan298 It's a difficult question to answer without seeing your design..it depends on many factors. I think if you are designing to this level then CFD analysis is the way forward.

@@gokhankotan298 Thank you!

Thank you very much indeed Mark. It's comments like yours that keep me going. Because believe me, I've considered giving up a number of times just lately. Your comments and interest are very much appreciated.

@@oscarH442 Hi and thank you for your interest. I'm sorry it's taken so long to reply. Life been a bit hectic lately. It can be assumed to be 1.148 for hydrocarbons. It can be calculated very accurately, but for practical purposes this figure is fine. A PR of 3 is about the max for centrifugal compressors like these due to inefficiencies. Thanks again for your interest, it's genuinely appreciated.

Thank you very much. I wish I had more subscribers too! But I would rather make videos that I think are good quality and in time I hope more people will become aware of them.

My pleasure my friend, thank you.

Hello and thank you for commenting. Parts 1, 2 and 3 are not called parts 1, 2 and 3, in my usual slack fashion. You'll see them titled as Gas Turbine Project.

Hi, thanks for your comments and interest! You can find a link to the software download at Gary Limings site here:- www.liming.org/millindex/

Hello! Thanks for your comments and interest. I don't have a wiring diagram, but if you want you can email me at wilsonreactionresearch@yahoo.co.uk and I will do my best to help you. Cheers!

No thank you!

Yes that's right, and thank you for your comments and interest. Centrifugal compressors are usually limited to about 2.5 to 3 PR due to aerodynamic instabilities or surge that occur above this. Usually if you want more pressure you would use stages with intercooling between them.

Hello my friend and thanks for your kind comments. If you have a look at my previous three gas turbine films I go into some depth regarding the thermodynamic design cycle calculations, fuel calculations and hole sizing/placement. I will be including more on the topic later on. The fuel will be propane, because it is easy to deliver and is very tolerant of fuel/air ratio mismatch. Thanks again. Please consider subscribing to my channel if you like my content.

@@carlwilson1772 excellent, I will definitely check those videos out. Keep up the great work and please keep posting your progress, I’m very intrigued and plan to follow along

@@HappyJack19 Thanks very much!

Hey Bones, thank you for your kind comments. I really appreciate it. I'm slowly but surely moving things on. With my wife's illness, my workshop is again providing me with some solace. Thanks for all your support.

Hello! Thank you for your kind comments. Hopefully I can progress the gas turbine project and the milling machine rebuild simultaneously. I've wanted to do one of these gas turbines for many years. I'm pleased you found something of value in my film. Thanks again for your support, it's very much appreciated.

Thanks Richard I really appreciate it!

I agree with you. Holesaws have their place though, especially in the realms of sheet metal work. When you think about the tooth loading they are a pretty good option. You are right about the rotabroach too, but the holesaw is hugely cost effective by comparison. There is a fair bit of run out in them, but you can rough a hole to size no problem. The thing about this sheet stainless steel (and the tubes that are really just rolled then welded sheet) is it's stupidly hard due to the rolling process. The holesaws were easily good enough for making the parts for the combustion chamber, which isn't really a "precision" device. People make them with power hand drills. Thank you very much for your support and comments, both are greatly appreciated.

Ps well done for making a straight edge like that, I bet it was a sight to behold!

Thank you very much!

Thank you Peter for your support and comments it is all appreciated.

Thank you my friend!

Gas turbine motorbikes have been built using this method but a turboshaft! Thanks so much for all your support as ever.

I can't either Phil. Thanks for your support it really means a lot. Maybe I could use it as the least fuel efficient workshop heater ever!

It's actually a pressure relief valve on my hot water cylinder. It's a pressurised cylinder and here I am completing a process to recharge the air expansion gap.

Thank you very much Cain.

Hi Carl nice to meet to see you in at all in what are difficult circumstances for your family. Wishing all the best.

@@tonyray91 Thanks Tony, please have a look at my other videos and consider subscribing to me if you like my stuff. I appreciate your comments!

@@carlwilson1772 sorry might have confused you by my comment, I didn’t have my glasses on so typing a bit dodgy.I am a subscriber. I really enjoyed your horizontal mill rebuild. I think I know of you from before RUclips though, did you have a website call Wilson Reaction Research or similar? Was it you who posted an article about the lead screw safety clutch arrangement on the M300? I have an M250 so was of interest to me. I’d like to send you a pic of the straightedge but can’t see an email for you.

@@tonyray91 Hi Tony, my mistake. Thank you very much for all your support over the years. The British Reaction Research blog was during my rocket engine days. I did indeed post about the feed shaft clutch on my Harrison M250. Thanks again, glad you are enjoying my videos.

Ps Tony you can email me on wilsonreactionresearch@yahoo.co.uk Cheers.

Thanks! Please tell all your friends! And please subscribe if you like my content! I really appreciate you watching and commenting.

Hi and thank you very much for watching my film. I got to go into the restoration hangar at East Fortune but didn't film it. There was indeed a Beaufighter in there in a state of dismemberment. I got to see one of the mainplanes which looked quite damaged and with a fair bit of corrosion. The fuselage was away in the distance and I didn't get to see it. It is all there, but I had an interesting conversation with the museum staff re the relative merits of "restoration" vs "conservation". As an engineer my instinct is to repair and rebuild to as close to as new condition as I can get. So that would be restoration. Conservation on the other hand is more a case of preserving something as it is and preventing any further deterioration. I think their plan for the Beaufighter falls firmly into the latter camp.

Thank you Cain that is very much appreciated. We are very lucky in this country to have some of the best medical care in the world. I'm in awe of the professionals that took care of my wife and the speed with which they did it.

Always good to see you.

Thank you!

Thanks, I'm really glad you enjoyed it! Going onboard the Nimrod transports me. I remember it as a living thing.

You and your bloody helicopters!

@@carlwilson1772 if it don't hover, don't bovver!

@@retromechanicalengineer Whatevs...

Thank you Paul, I really appreciate your support.

Thank you Peter it means a lot. I'm glad you enjoyed the film!

Thank you, I really do appreciate your support.

Thank you Phil, I really appreciate that!

Hey Phil just looked at your bros site. Great to see such a high profile industry in a small town. Bit like here in Forres, where we have Orbex making rockets and rocket engines for putting satellites into orbit, using the largest 3d metal sinterer in Europe!

@@carlwilson1772 now that sounds interesting!

Yes indeed. Resetting the pressurised water tank air expansion chamber, to stop water hammer when turning off the hot taps.

Thank you very much .

Hello Richard, sorry it's taken me a long time to reply to you. Because of all the variations in these mills, I'm finding it hard to visualise your intended scheme. Please could you email me a sketch of what intend and I will try to give what assistance I can. My email:- wilsonreactionresearch@yahoo.co.uk

Thanks for watching.

Thank you Jon! Yes we are lucky here in Moray, generally it is relatively dry and sunny. You wouldn't have thought that the past few weeks though, it has been very wet. I'm glad you enjoyed the film.

Big fan of Napier myself. That turbine diesel was really quite something. They did get stitched up by RR. So did Whittle with Power Jets and Bristol Sidelley too. Napier Sabre was a brilliant aero engine.

Thanks! Really glad you enjoyed it.

Hi Paul, yes they are very interesting. The Coopers and Coppersmiths were and are exacting tradesmen. The worm pipes curve as well as taper and they are made from rolled flat sheet. The outer casing "barrel" has no sealant between the wooden slats. It is purely the fit that provides the seal. I'm glad you enjoyed the film.

@@carlwilson1772 Yes all those skills 'lost' but if they are no longer needed or relevant then they are replaced rather than lost I suppose. Even if the distillery was still in operation sooner or later the worm pipes would have been made by robots in volume production some place else (not locally) and the big barrels would have been GRP or stainless tubs. Cheers

@@HaxbyShed They haven't been lost. They are all still used daily in the many distilleries around here. The copper is still used and necessary for the process. The Coopers still work out of the centre near the town of Duffus. The stills are all copper even today.

Hello Phil. Thanks for your comment. It is pretty much all like that where we live. The old railway is magnificent. A section of it is run as the Strathspey Steam Railway, from Aviemore. Sadly I don't think Dallas Dhu will open again. Historic Scotland seem to have no plan for it to do so. That said they do still own and maintain the building, so it will remain in good condition to preserve the history of the place. Thanks again!

You are right about the Beeching cuts. The irony is that the Inverness to Perth Junction Railway (became the Highland Railway Company) was the most direct route through to Perth. It also held the record for the longest platform at any British railway station. This was at Dunphail and was used for loading cattle. Sections of it still exist, buried in undergrowth. I'm glad you liked the slightly different content. From my standpoint it's nice to have any content on this channel! More workshop related stuff to come. Thanks again.

Thanks Paul!

Thank you Peter, much appreciated. The next film will have more workshop content.

Thank you very much for your comments and for watching. I wholeheartedly agree with your sentiment.