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| 1999 Metro restore & mod | |
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| Tweet Topic Started: Dec 30 2015, 11:49 AM (2,080 Views) | |
| Daox | Jan 5 2016, 03:20 PM Post #46 |
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Doh, oh well. If / when it hazes over I'll go back to the spar urethane method. That worked fairly well for me. A few extra coats should do the trick even longer. Edited by Daox, Jan 5 2016, 04:14 PM.
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| Daox | Jan 6 2016, 01:12 PM Post #47 |
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Just used the block heater for the first time today. It is very nice. Same conditions yesterday and today, 20F ambient. 15 minutes plugged in with the 1000W heater got me 80F coolant by the end of the driveway. Overall, my 7 mile commute went from 45 mpg to 53 mpg due to more engine off coasting and less idling for heat, and I was vastly more comfortable.
Edited by Daox, Jan 6 2016, 01:35 PM.
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| terry8750 | Jan 6 2016, 01:20 PM Post #48 |
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terry8750
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nice work daox love the 3d printer parts.look like you had weld up alot more metal than me.i gotta fix my rear sway bar mounts as well.rust sucks lol |
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| Daox | Jan 6 2016, 01:34 PM Post #49 |
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Thanks Terry. I still got a bit to go with the rust repair... I don't like body work, haha. I really do want my rear sway bar back though. This really makes me want to get my electric water pump installed... I just have to get my sister's Jetta TDI out of the garage first (she snapped the timing belt on it). Edited by Daox, Jan 6 2016, 01:35 PM.
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| terry8750 | Jan 6 2016, 03:26 PM Post #50 |
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terry8750
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wait you have an electric water pump for your metro.i would be seriouly interested in seeing this !!! due to my major changes to my metro i have had a few issues with the water pump not spining a couple times and i would rather have an electric water pump |
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| Daox | Jan 7 2016, 03:21 PM Post #51 |
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I have designed a setup to convert the existing pump to electric. Its not complete, but its very close mechanically. I still have to work out the electronic side which I'm sure will have a few bugs. I have an arduino programmed to control the pump speed. My 14 page thread on it is here: DIY electric water pump on the cheap I'm basically bolting a motor in line with the water pump and coupling them with a small belt. Here are a few images: Electric PM scooter motor 3d printed pulley for the new belt on the water pump 3d printed pulley for the motor Motor mounted off the engine mount Cute little timing belt for the drive |
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| Stubby79 | Jan 7 2016, 10:08 PM Post #52 |
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Using a my1020 (my1016 in this case) to run the water pump had crossed my mind before. Not knowing SDA about arduino or other programmable things, I figured to just give it 12v and make sure the pulley ratio was right to maintain enough flow. But, seeing as the motor could fail, and I'd not have any warning until the engine over-heated...I figured to add a volt and amp meter, so I would be able to see if the motor was ever doing something unusual. If it stopped pulling current, or started pulling a whole lot more, I'd know right away and hopefully in time to stop any engine damage. Not sure whether the motor would give a damn about being in a hot engine bay. Just another reason to know if it's going to fail. That was about as far as I got with the idea! Nice to see someone doing it. |
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| Daox | Jan 8 2016, 08:37 AM Post #53 |
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By looking at the specs of other electric water pumps, the MY1016 is actually already fairly oversized for the application. Its just what I had kicking around, so I am using it. I think it'll do the job quite well. Some way to detect if it has stopped working probably would be a good thing though. |
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| terry8750 | Jan 8 2016, 08:50 AM Post #54 |
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terry8750
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yea it doesnt take much to spint the water pump.you could probably get away with something much smaller .hell i would almost venture to say an 550 can style electric motor with the right gearing would run it lol |
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| Daox | Jan 8 2016, 12:18 PM Post #55 |
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I seem to recall guessing that the motor would draw about 60W at max, but average more around 20W. I have yet to verify that info though. My first bit of business once its all hooked up is to measure how much power it takes to spin the pump at 1000, 2000, 3000, etc. rpm. I'm quite interested to see what happens when the pump starts to cavitate and how that reduces power usage. Edited by Daox, Jan 8 2016, 12:24 PM.
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| terry8750 | Jan 8 2016, 01:54 PM Post #56 |
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terry8750
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Thats pretty low.if thats true i would just stick with that motor |
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7:23 PM Jul 10