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  1. I

    Wanted Can you make this for me?

    Hello, I wonder whether a fellow member could help me out with making some small parts as per attached sketch. Getting on with advanced age, I have no more machining capabilities, unfortunately, and ask for some help making five pieces of metric M6 X 0.75 sleeve nuts and two pieces of a metric...
  2. I

    Wanted Can you make this for me?

    Hello, I wonder whether a fellow member could help me out with making some small parts as per attached sketch. Getting on with advanced age, I have no more machining capabilities, unfortunately, and ask for some help making five pieces of metric M6 X 0.75 sleeve nuts and two pieces of a metric...
  3. I

    Can you help with this?

    Hello, I wonder whether a fellow member could help me out with a request for making some small parts as per attached sketch. Getting on with age, I have no more any machining capabilities, unfortunately, and ask for some help making five pieces of metric M6 X 0.75 sleeve nuts and two pieces of a...
  4. I

    1" Bore x 1" Stroke Vertical i.c. Engine

    Brian, I realize that. I believe whats important to you is the description on page 4 and 5 relating to the number of holes to be included in the set up of the span of the shear / sector arm to indicate how many number of holes should be included when setting up the sector arm for the correct...
  5. I

    1" Bore x 1" Stroke Vertical i.c. Engine

    Brian, I attached a file for you from Little Machine shop referring the use and set up of a dividing head. About page 4 or 5 there is a description about the use of the shear and how to set up the shear span. I am sure that will answer your question of the "How To" It confirms what I said in my...
  6. I

    1" Bore x 1" Stroke Vertical i.c. Engine

    Well, Brian, to check how it works out you can manually turn the handle 50 times plus using either 16 holes within the shears span or 17 holes as awake says. It maybe hard on your hands since you have an arthritis condition I understand but doing it without actually cutting the gear will give...
  7. I

    1" Bore x 1" Stroke Vertical i.c. Engine

    Hello, Brian, I am sure your dividing head is equipped with a shear on top of the hole plate that you set to include the number of holes between the two shear legs, that are required to move your gear blank in the fraction part (16/20) of moving the required distance for tooth cutting...
  8. I

    Old Bloke

    https://www.homemodelenginemachinist.com/threads/sold-for-sale-camshaft-crankshaft-grinder-accessories.27597/ Hello Old Bloke, Here is a link to a camshaft / crankshaft grinder I build a few years ago and sold recently...
  9. I

    TIM 6 ignition

    Hello Dsage, I have a question coming from an individual with no ignition electronic knowledge. Is it possible to switch out the TIM 6 power transistor with its max 100 V limit with an IGBT transistor of a higher voltage limit using the TIM 6 soldering layout / available physical space and...
  10. I

    How do you seal joints?

    Hello petertha, If you would like to use Teflon for gaskets and cant find a service for cutting the gaskets, take a look at the Polulu website (the robot part supplier, etc) here in the USA. They offer a service for gasket cutting where you or a supplier of your choice (McMaster) send them the...
  11. I

    How do you seal joints?

    Petertha, I have used Teflon film of 0.005 thickness in two variations of the available films, purchased from Mc Master Carr. The plain 0.005 inch Teflon film I had laser cut for use in high temperature (Up to 500 degree F) application for head gasket and manifold uses. The other film of 0.005...
  12. I

    Loctite 680 and its use in a press fit application?

    I understand that Loctite when used for retaining purposes in conjunction with different metals, other than steel, like for bronce / brass / aluminum, etc. has varying retaining characteristics / strenght depending on the metal combination. Typically lower of what the retaining strength for...
  13. I

    270 Offy

    Petertha, You have good eyes. Yes, it is a Sherline variable speed motor system (as used for their lathe drives) and a Sherline industrial spindle that I used when building the tool post grinder for use in the cam / crank grinder.
  14. I

    270 Offy

    Hello Petertha, I sold the cam / crank grinder a while ago and the link to it is SOLD - For sale Camshaft - Crankshaft grinder / accessories When using the grinder, I had the CBN wheels custom made with a specific width and with corner radius for the crank journals. I picked CBN for the wheels...
  15. I

    270 Offy

    Hello, When I decided to grind the crankshaft for the two engines I was building, I run into the same problem regarding the reach of the grinding wheel into the journals with conventional aluminum oxide grinding wheels. Consequently, I decided to use two dia.six inch CBN wheels with different...
  16. I

    Coomber Engine Ideas

    My first car was a 1958 MGA, a lovely car that I drove for a number of years - never mind the leaks and draft through the soft top and inadequate side windows. Wish I still had it! Peter J.
  17. I

    Coomber Engine Ideas

    Hello Vederstein, What is that pretty antique car in the background of your photo? An Austin or MG or what else could it be? Peter J.
  18. I

    Line boring bar idea

    If you do not have a square broach, do it the old fashion way and file the round hole square to fit the size of your tool bit which I assume, based on the diameter of your bar, could be 3/16 or 1/4 inch which would accommodate filing a square hole quite easily. Since you provide your dimensions...
  19. I

    Line boring bar idea

    Hello Xander, I have made such a line boring bar myself a while ago for the same purpose for use between centers in a lathe. Myford in the UK I believe has them as well as an accessory for sale. Making one is not too difficult provided you have or have access to a square reamer of the size of...
  20. I

    Laser cut gaskets

    Hello Mike, Thank you very much. I have sent you a PM. Peter
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