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| Engine swap - Snowblower |
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| Manxmodder:
--- Quote from: Brass_Machine on October 26, 2016, 03:18:52 PM --- --- Quote from: awemawson on October 26, 2016, 01:58:21 PM ---Shame to spoil a perfectly good engine though - stock gears are cheap enough --- End quote --- Yup. Gonna keep the old engine for a bit. I will use your idea of a flat gear box. Need to design it and find gears that work... --- End quote --- I misunderstood your earlier posts and thought the old motor was a scrapper. I also would feel hard of dismantling a motor for the gears if it was still a runner. Looking back to where the suggestion was taking us why not find another engine that is a scrapper from a mower or similar and whip the gears out of that. Thinking a little further along these lines,if the gears,crankcase and the front cover could be acquired from a knackered Honda model that yours is the clone of then the crankshaft is the same diameter and you have the extra front cover with the same bolt hole pattern as your new engine to make the front cover for your gearbox. You only need to make a back plate if you slice an end section of the scrappers crankcase......OZ |
| Brass_Machine:
--- Quote from: awemawson on October 27, 2016, 02:22:01 AM ---Come on Eric, we're mad modders, you can slot a key way on your lathe, or if your lathe is too skimpy for that, I'm certain one of our fellow members can do it for you. --- End quote --- Yeah yeah. I don't know if my tiny lathe can handle it, but I am going to try. I have never slotted a key before, so this will be new territory for me. I figure if I can't get it cut, I will just cut the key down (So I can still use it for the impeller pulley) and just use a set screw or two to hold it in place. Going to order the shaft and two gears today. |
| awemawson:
A perfectly acceptable keyway can be made by: a/ turn a plug to be a tight fit in the bore of the gear b/ drill a hole slightly smaller than the width of the keyway so half is in the plug and half in the gear c/ remove plug and hand file embryo keyway out to full size using a four square file It actually doesn't take long as the drilled hole removes a lot of the material and acts as a guide |
| Brass_Machine:
Thanks Andrew! I will give that a shot. Always willing to learn something new. I ordered the 2 gears. Got a 24 and 48 tooth gear, 6" piece of 1/2" drive shaft and a couple of bearings. Should be here tomorrow. I need to get this done and working, I think, fairly soon. We already got freezing rain this morning! :doh: Not sure if I will have time to work on it this weekend. I might have some time to work on the design of the mount. Do it up on cad... have to figure out where to have the pulley placed so I don't need to buy a different length belt. Eric |
| Brass_Machine:
Dumped some the rusty pulleys and the drive shaft into a vat of Apple Cider Vinegar to de-rustify them. Just waiting on parts. Eric |
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