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The Water Cooler
General Discussion
Air compressors Either crappy motors or crappy compressors on reviews of manufactured units
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<blockquote data-quote="Snattlerake" data-source="post: 3998745" data-attributes="member: 44288"><p>Please school me on air compressors. </p><p></p><p>I am needing more air than what my measly air compressors air giving me. I have always had a problem with them and I just dealt with it but now I'm planning ahead on some projects and I'm needing more air. </p><p></p><p>My current inventory is a 30 gallon horizontal 1965 Craftsman 3/4 horse 2 lunger that is quiet as a church mouse but is very slow in the compressor recovery. A 30 gallon upright Kobalt oilless compressor that sounds horrid and probably has a 1 inch bore and it cannot keep up. </p><p></p><p></p><p>The specs I'm looking at are around </p><p><strong>15cfm @40 PSIG</strong></p><p><strong>230 single phase</strong></p><p><strong>Max pressure 135 PSIG</strong></p><p><strong>60 gallon</strong></p><p></p><p>I have looked at Ingersoll Rand SS5L5 $1K to 2.5K</p><p>[URL unfurl="true"]https://www.google.com/search?q=grainger+ingersoll-rand+ss5L5&client=avast-a-1&ei=9FseZKaXGIWxptQPx4C5wAU&ved=0ahUKEwim4ff0g_b9AhWFmIkEHUdADlgQ4dUDCBE&uact=5&oq=grainger+ingersoll-rand+ss5L5&gs_lcp=Cgxnd3Mtd2l6LXNlcnAQAzIFCCEQoAE6BggAEBYQHjoECAAQHjoFCCEQqwJKBAhBGABQAFihmQFgn6gBaABwAXgAgAHLAYgBvgqSAQUwLjYuMpgBAKABAcABAQ&sclient=gws-wiz-serp#ip=1[/URL]</p><p></p><p> The reviews say the motor is junk and won't last the first day. </p><p></p><p>A Quincy at $1.3K, or building my own using a good rated Harbor Freight compressor but it requires a 5 HP motor. Good motors are $800 and two phase or three phase, not single phase. The cheap ones are down to $199. and are single phase. They are of course Chineeseum, but looking at the nomenclature plate it shows only 3000 watts which is 3 HP at best, nowhere near 5 HP. I did find a Century 5HP on Amazon for $309. This one is specifically made for air compressor replacement.</p><p></p><p>If I built one I would use my horizontal tank because it has the mounting platform already and should be a simple retrofit. I would disassemble the micro compressor on the Koblat upright tank and plumb it in parallel giving me around 60 gallons of capacity. I am also looking at a copper tubing radiator to cool the air going into the tanks.</p><p></p><p>These are my choices if I build a system. </p><p>The HF compressor</p><h4><a href="https://www.harborfreight.com/search?q=central%20pneumatic" target="_blank">CENTRAL PNEUMATIC</a></h4><p>$179.99</p><h3>5 HP 145 PSI Twin Cylinder Air Compressor Pump</h3><p>[ATTACH=full]360994[/ATTACH]</p><h3></h3><p>17.3 CFM @ 40 PSI, 15.2 CFM @ 90 PSI ------------------------------------<span style="color: rgb(184, 49, 47)"><strong> CFM being a relative term because there is no point of reference to Actual CFM or Standard CFM at 60 degrees. BUT, it surely beats the hell out of what I have.</strong></span></p><p></p><p></p><p></p><p>The motor I found for it</p><p>[URL unfurl="true"]https://www.amazon.com/3450rpm-Frame-Volts-Replacement-Compressor/dp/B0009WET9M[/URL]</p><p></p><p>[ATTACH=full]360996[/ATTACH]</p><p></p><p>Here is the video link I'm using to manufacture my own if I go that route. </p><p>[MEDIA=youtube]YD1dNpelSpg[/MEDIA]</p><p></p><p>The Quincy, at $1310.00, is the cheapest, has the best reviews, is manufactured by others and has a hell of a warranty but the shipping is around $300 !!!</p><p>[ATTACH=full]360999[/ATTACH]</p><p></p><p>As I am writing this it seems I will have more time to think about it because MY WATER HEATER JUST CRAPPED OUT!</p></blockquote><p></p>
[QUOTE="Snattlerake, post: 3998745, member: 44288"] Please school me on air compressors. I am needing more air than what my measly air compressors air giving me. I have always had a problem with them and I just dealt with it but now I'm planning ahead on some projects and I'm needing more air. My current inventory is a 30 gallon horizontal 1965 Craftsman 3/4 horse 2 lunger that is quiet as a church mouse but is very slow in the compressor recovery. A 30 gallon upright Kobalt oilless compressor that sounds horrid and probably has a 1 inch bore and it cannot keep up. The specs I'm looking at are around [B]15cfm @40 PSIG 230 single phase Max pressure 135 PSIG 60 gallon[/B] I have looked at Ingersoll Rand SS5L5 $1K to 2.5K [URL unfurl="true"]https://www.google.com/search?q=grainger+ingersoll-rand+ss5L5&client=avast-a-1&ei=9FseZKaXGIWxptQPx4C5wAU&ved=0ahUKEwim4ff0g_b9AhWFmIkEHUdADlgQ4dUDCBE&uact=5&oq=grainger+ingersoll-rand+ss5L5&gs_lcp=Cgxnd3Mtd2l6LXNlcnAQAzIFCCEQoAE6BggAEBYQHjoECAAQHjoFCCEQqwJKBAhBGABQAFihmQFgn6gBaABwAXgAgAHLAYgBvgqSAQUwLjYuMpgBAKABAcABAQ&sclient=gws-wiz-serp#ip=1[/URL] The reviews say the motor is junk and won't last the first day. A Quincy at $1.3K, or building my own using a good rated Harbor Freight compressor but it requires a 5 HP motor. Good motors are $800 and two phase or three phase, not single phase. The cheap ones are down to $199. and are single phase. They are of course Chineeseum, but looking at the nomenclature plate it shows only 3000 watts which is 3 HP at best, nowhere near 5 HP. I did find a Century 5HP on Amazon for $309. This one is specifically made for air compressor replacement. If I built one I would use my horizontal tank because it has the mounting platform already and should be a simple retrofit. I would disassemble the micro compressor on the Koblat upright tank and plumb it in parallel giving me around 60 gallons of capacity. I am also looking at a copper tubing radiator to cool the air going into the tanks. These are my choices if I build a system. The HF compressor [HEADING=3][URL='https://www.harborfreight.com/search?q=central%20pneumatic']CENTRAL PNEUMATIC[/URL][/HEADING] $179.99 [HEADING=2]5 HP 145 PSI Twin Cylinder Air Compressor Pump[/HEADING] [ATTACH type="full" width="254px"]360994[/ATTACH] [HEADING=2][/HEADING] 17.3 CFM @ 40 PSI, 15.2 CFM @ 90 PSI ------------------------------------[COLOR=rgb(184, 49, 47)][B] CFM being a relative term because there is no point of reference to Actual CFM or Standard CFM at 60 degrees. BUT, it surely beats the hell out of what I have.[/B][/COLOR] The motor I found for it [URL unfurl="true"]https://www.amazon.com/3450rpm-Frame-Volts-Replacement-Compressor/dp/B0009WET9M[/URL] [ATTACH type="full" width="646px"]360996[/ATTACH] Here is the video link I'm using to manufacture my own if I go that route. [MEDIA=youtube]YD1dNpelSpg[/MEDIA] The Quincy, at $1310.00, is the cheapest, has the best reviews, is manufactured by others and has a hell of a warranty but the shipping is around $300 !!! [ATTACH type="full"]360999[/ATTACH] As I am writing this it seems I will have more time to think about it because MY WATER HEATER JUST CRAPPED OUT! [/QUOTE]
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