Thanks Jeremy. When I tried lapping valves for the first time i used a power drill. Disaster! Some followers suggested this method which works really well. A few turns backwards and forwards, then rotate 90 degrees. Keep on repeating. Cheers Andrew
Hello Andrew. Another time if you need to make springs of a known pitch and length, try this method. Trap the wire between two thin pieces of wood trapped in your tool post with sufficient clamping force to make the wire very tight to pull through. Set your gearbox to the pitch of spring you need e.g. 11, set it on the mandrel as you did to wind the start, then engage the half nut on the saddle, I suggest winding by hand. count your 11 turns or whatever, disengage the half nut and finish off the close end. Guaranteed a constant pitch spring of a known length, takes out all the guess work. Takes no longer to do and you know what the outcome will be before you start, no more hit and miss. Sorry did not understand why you tilted the vice up from the bed. Why not leave it clamped fully flat and put the work in the vice on the angle. That totally mystified me 😊. Great outcome. Regards from Australia.
bonjour andrew pour vos ressorts il faut les mettre au four a 320 degré pour les stabilisé cela va augmenter le diamètre du ressort de quelle que dixièmes ( métrique) mai cela évite que votre ressort se fatigue vite
Hi Dave - great idea regarding the springs. Wish I'd have known that before making the Hemingways Spring Winder! The one gripe I have with my lathe is that it's a real faf changing the gears. If I ever buy another lathe I will get one with a selectable gearbox, but the headstock would have to be compatible with the other one (too much invested in chucks). I tilted the vice because, for me, it was the easiest way to accurately achieve the angle I needed. All the best. Andrew
I have Ivan Law's book Gears & Gear Cutting. Fasinating book. Click Spring's channel has been doing a series lately using some of the material in that book on making gear cutters.
Thanks for the info. I did try that method a few years ago, the first time I lapped valves. Unfortunately it didn't work out for me and others suggested my current method. Cheers Andrew
Thanks Steve. My engines never seem to start first time and usually require methodical investigation. The fixture helps by removing the possibility of leaking valves from the equation. Cheers Andrew
I like the look of those rocker arms. Important to get them right as they will be so visible. Was a bit concerned when you had 4 blanks bolted to the bar. Fully expected it to move but it held ok. The jig you made was really effective. Simple but good. So pleasing when yoir valve test fails but you flick it a couple of times, out flies the grit and bingo. Could have been several hoirs more lapping to sort it otherwise. End is in sight 👍
Thanks Tim. A few little hurdles yet. Looking at the drawings there is some kind of crankcase breather associated with the carbs. I need to get my head around that one. I must go and get a cut on! Cheers Andrew
Hi Mark - my wife is also looking forward to seeing it finished - because she wants some kitchen cupboards fitting! I'm not sure whether to speed up or slow down!
Hi Andrew, yes when the latest copy of Model engineer came through the door I was saddened to read of Ivan Laws death. I have the kit to make his large capacity fixed steady from Hemingways and his gear book which is, as you say, a bible for gear cutting in the home workshop. The heads look jolly good, onwards and upwards and get a cut on!
Ha ha - it's a classic term I must remember. Aparently Ivan licenced Hemingway to sell the Quorn tool. The kit is very expensive, but probably an interesting project. Cheers Andrew
@@learningturningmetal I bought a part built Quorn tool from eBay a while ago. The build quality is superb and I am reluctant to Cary on with it until I’ve found out how the builder got such superlative results.
Nice polished finish on those valve levers Andrew and looks to be taking shape. Kitchen cupboards... erm yes i said i will get them fitted ...18 months later still wrapped up in the garage until i get a rainy day!
a fitter i used to work with had a favourite saying (two heads are better than one even if they are both sheep's heads )or if he thought you were a bit slow he would change it to even if ones a sheep's head
Another way I’ve found with small valves is to superglue a small disc of plastic on the head then use a conventional valve suction cup to grind in just like full size
Ha ha Kevin - I tend to goof up quite a lot these days. Another good use of my time machining small parts, dropping them on the floor never to be seen again - until of course I have made another one. Cheers! Andrew
Hi Adrian. I didn't mention the bearing number. I purchased all the bearings, seals and bolts from the Jerry Howell website. It looks like the bearing in question is a R144-zz shielded .125" id x .250" od x .109" thickness. Cheers Andrew
Yeah - a very talented guy for sure. I quite like the look of the Quorn tool kit on the Hemingway website - but it's very expensive. Al;l the best. Andrew
As always, most excellent. Way beyond my expertise. Keep them coming. From Princeton Maine, U.S A.
Hi ANDREW
Fabrication is on a very good way. Great job on all these tiny parts.
👍👍👍👍👍
OL6162.
Thanks OL 😉
almost there mr whale !
thanks for the upload, cheers ben.
Thanks Ben!
Using the drill chuck is a great idea for lapping those valves!
Thanks Jeremy. When I tried lapping valves for the first time i used a power drill. Disaster! Some followers suggested this method which works really well. A few turns backwards and forwards, then rotate 90 degrees. Keep on repeating.
Cheers
Andrew
Hello Andrew. Another time if you need to make springs of a known pitch and length, try this method. Trap the wire between two thin pieces of wood trapped in your tool post with sufficient clamping force to make the wire very tight to pull through. Set your gearbox to the pitch of spring you need e.g. 11, set it on the mandrel as you did to wind the start, then engage the half nut on the saddle, I suggest winding by hand. count your 11 turns or whatever, disengage the half nut and finish off the close end. Guaranteed a constant pitch spring of a known length, takes out all the guess work. Takes no longer to do and you know what the outcome will be before you start, no more hit and miss. Sorry did not understand why you tilted the vice up from the bed. Why not leave it clamped fully flat and put the work in the vice on the angle. That totally mystified me 😊. Great outcome. Regards from Australia.
bonjour andrew
pour vos ressorts il faut les mettre au four a 320 degré pour les stabilisé cela va augmenter le diamètre du ressort de quelle que dixièmes ( métrique) mai cela
évite que votre ressort se fatigue vite
Hi Dave - great idea regarding the springs. Wish I'd have known that before making the Hemingways Spring Winder! The one gripe I have with my lathe is that it's a real faf changing the gears. If I ever buy another lathe I will get one with a selectable gearbox, but the headstock would have to be compatible with the other one (too much invested in chucks).
I tilted the vice because, for me, it was the easiest way to accurately achieve the angle I needed.
All the best.
Andrew
@@alaindecapod8381 Salut Alain. Très intéressant.
Merci
André
Another excellent video Andrew, keep it up chap
Thanks Andrew!
More good progress and time to think what to do next. Best wishes.
Thanks George. The Quorn v3 looks interesting on the Heminway website - buy eyewateringly expensive.
All the best.
Andrew
I have Ivan Law's book Gears & Gear Cutting. Fasinating book. Click Spring's channel has been doing a series lately using
some of the material in that book on making gear cutters.
Thanks for the info Todd.
Cheers
Andrew
Looking good Andrew, next time you have to lap valves , a battery drill on the valve stem makes really short work of getting them seated 😉 !
Thanks for the info. I did try that method a few years ago, the first time I lapped valves. Unfortunately it didn't work out for me and others suggested my current method.
Cheers
Andrew
Hi Andrew, nice job on those fiddly rockers. Cheers Kevin
Thanks Kevin!
Coming along nicely Andrew. Now i see what you meant by a fixture to test the valves for leakage.
Steve.
Thanks Steve. My engines never seem to start first time and usually require methodical investigation. The fixture helps by removing the possibility of leaking valves from the equation.
Cheers
Andrew
I like the look of those rocker arms. Important to get them right as they will be so visible. Was a bit concerned when you had 4 blanks bolted to the bar. Fully expected it to move but it held ok. The jig you made was really effective. Simple but good. So pleasing when yoir valve test fails but you flick it a couple of times, out flies the grit and bingo. Could have been several hoirs more lapping to sort it otherwise. End is in sight 👍
Thanks Tim. A few little hurdles yet. Looking at the drawings there is some kind of crankcase breather associated with the carbs. I need to get my head around that one. I must go and get a cut on!
Cheers
Andrew
@@learningturningmetal 😂 I like your new catchphrase!
Looking good Andrew (engine not you LOL), love the little springs. Keep at it and stay well.
Thanks Dave!
Coming along nicely Andrew. Looking forward to seeing finished and working.
Hi Mark - my wife is also looking forward to seeing it finished - because she wants some kitchen cupboards fitting! I'm not sure whether to speed up or slow down!
Hi Andrew, yes when the latest copy of Model engineer came through the door I was saddened to read of Ivan Laws death. I have the kit to make his large capacity fixed steady from Hemingways and his gear book which is, as you say, a bible for gear cutting in the home workshop. The heads look jolly good, onwards and upwards and get a cut on!
Ha ha - it's a classic term I must remember. Aparently Ivan licenced Hemingway to sell the Quorn tool. The kit is very expensive, but probably an interesting project.
Cheers
Andrew
@@learningturningmetal I bought a part built Quorn tool from eBay a while ago. The build quality is superb and I am reluctant to Cary on with it until I’ve found out how the builder got such superlative results.
@@nigesbasementworkshop9541 Yeah - I can imagine that some of the castings are difficult to set up and machine accurately.
Nice polished finish on those valve levers Andrew and looks to be taking shape. Kitchen cupboards... erm yes i said i will get them fitted ...18 months later still wrapped up in the garage until i get a rainy day!
Yeah - I'm not sure whether to speed up or slow down! Well, I must go and get a cut on!
Cheers
Andrew
Looks great
Thanks mate!
a fitter i used to work with had a favourite saying (two heads are better than one even if they are both sheep's heads )or if he thought you were a bit slow he would change it to even if ones a sheep's head
Like I said previously ultrasonic cleaner was the way to go. I use mine to clean anything that fits. Great results! Awesome video as always.
Thanks for helping me spend some more money! 🤣🤣
Cheers
Andrew
@@learningturningmetal I’m taking donations if you want to spend some more money.😉
Another way I’ve found with small valves is to superglue a small disc of plastic on the head then use a conventional valve suction cup to grind in just like full size
Interesting!
Good grief what did Andrew say at 11:53 ??? Benefit of the doubt says goof up. My mistake. Keep up the good work!
Ha ha Kevin - I tend to goof up quite a lot these days. Another good use of my time machining small parts, dropping them on the floor never to be seen again - until of course I have made another one.
Cheers!
Andrew
Thanks for the video.
Apologies in advance if I missed it, but what is the part number of those bearings?
Hi Adrian. I didn't mention the bearing number. I purchased all the bearings, seals and bolts from the Jerry Howell website. It looks like the bearing in question is a R144-zz shielded .125" id x .250" od x .109" thickness.
Cheers
Andrew
@@learningturningmetal Thanks!
Great work! In the video, both head's finish seem to match. Did you pickle the other one in the alum bath?
Thanks Douglas - yeah I gave it a pickle!
All the best.
Andrew
From Mike Law's obituary for his dad, it sounds like Ivan had a model engineer's life well-lived. Another giant of the hobby gone.
Yeah - a very talented guy for sure. I quite like the look of the Quorn tool kit on the Hemingway website - but it's very expensive.
Al;l the best.
Andrew