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Wade Drag Saw


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  #1  
Old 12-22-2018, 08:09:53 PM
Jonesey Jonesey is offline
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Default Wade Drag Saw

Would anyone have a Wade Drag Saw Engine apart, I need the dimensions of the piston and rod as Iím missing both in our engine or does anyone have a spare that they are willing to sell.
Thks Les
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Old 12-22-2018, 11:14:23 PM
Alastair Geddes. Alastair Geddes. is offline
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Default Re: Wade Drag Saw

i am sure you can measure the crank a tdc to the top of the cylinder, measure the head volume and work out a compression ratio that will work. Work backwards from compression ratio to design a piston then make a rod suitable for the piston pin height so it doesn't hit the rings, just below the bottom ring.


I have a uncle who has a drag saw complete but not sure on brand and likely won't be pulling it apart any time soon so its of no help to you.
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Old 12-23-2018, 08:29:39 AM
Jonesey Jonesey is offline
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Default Re: Wade Drag Saw

Hi Alastair,
Unfortunately itís a 2 stroke engine so things like the piston design with the flag and compression ratio are an unknown, so I require a sample or dimensions to get a copy made.
Thks Les
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Old 04-05-2019, 01:37:43 AM
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kidatheart kidatheart is offline
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Default Re: Wade Drag Saw

I have been told that the Ford model A rings are the same, so maybe you might be able to modify one? .I just got my wade assembled, had to pour new babbit bearings, so that is something else to consider and another good reason to try working with a Ford piston, the babbit bearings are still available. Good luck
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Old 04-08-2019, 12:16:09 AM
Jonesey Jonesey is offline
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Default Re: Wade Drag Saw

Thanks Kidatheart
The main problem is it’s a 2 Stoke and the piston with flag on top of the crown are important to scavenging the combustion gases with the fresh mixture. There were quite allot of Wade dragsaws imported into Australia so hopefully one will pop up.
Thks again Les
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