Forum : Sustainable Engineering

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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
05/18/2011 2:09 AM Possibly the Perfect Reflective Surface for Solar? by sugarandfat	Last post: 06/06/2012 6:54 AM by sugarandfat	20	576
06/02/2012 7:43 AM Super Battery Bank by JOHN H VAN ALLEN	Last post: 06/05/2012 8:38 AM by PeterT	13	534
05/14/2012 2:50 AM Bearing Creapage Preload of Bearing Wind Turbine by anees	Last post: 05/14/2012 2:50 AM by anees	0	172
05/10/2012 12:18 PM Nice Biodigester System, and Politics of Use by ronwagn	Last post: 05/11/2012 11:57 AM by Passerby	12	262
05/09/2012 6:30 AM The New LED Technology And Old Habits For Home Lighting Don't Mix by nikolay	Last post: 05/11/2012 7:58 AM by micahd02	17	484
10/26/2011 3:08 AM Resonance, Traveling Wave: Cheap Way to Compress Air? by Lutherman	Last post: 05/07/2012 9:05 AM by MarkhamCornoit	122	1243
05/03/2012 3:10 PM Solar Panel Production Advice by spacecannon	Last post: 05/04/2012 10:50 PM by spacecannon	8	422
04/23/2012 3:50 AM Harmonic 3 in Photovoltaic Application by fred-BLS	Last post: 04/27/2012 12:27 AM by RAMConsult	1	131
04/20/2011 12:22 PM Waste to Energy Technology Wanted by chrissaki	Last post: 04/21/2012 2:36 AM by umer001	13	305
09/08/2010 8:45 PM Anyone Have Success With a Magnetic Water Softener? by waldig	Last post: 04/14/2012 8:57 PM by Drew K	29	1190
03/31/2010 1:20 PM Solar Power 1500 Times More Powerful Than Normal! by wbfroggie	Last post: 04/08/2012 6:55 PM by wbfroggie	10	278
04/07/2012 11:52 AM Is it Normal That I'm Not frustrated? by az native	Last post: 04/07/2012 2:37 PM by kramarat	8	178
10/17/2010 7:17 PM Solar Cells/Build Panel by conntaxman	Last post: 04/05/2012 1:15 PM by saveone12	31	607
03/14/2012 7:38 PM Where are the New Energy Sources? by ronseto	Last post: 04/03/2012 7:41 PM by ronwagn	128	950
02/16/2012 7:00 AM Hydro Generator Setup by Basco	Last post: 03/30/2012 10:14 PM by czgut	19	460
03/28/2012 9:44 AM Solar panels and eolic systems for commercial use by Frank-Jazz	Last post: 03/28/2012 1:36 PM by SolarEagle	1	142
03/19/2012 6:00 AM Energy Free Power Generator - HOJO MOTOR by vijaydongare	Last post: 03/25/2012 11:39 AM by DVader1000	6	286
02/26/2012 1:55 PM Open Source Civilization Starter Kit by ronwagn	Last post: 03/21/2012 8:06 AM by artbyjoe	13	445
06/28/2010 1:23 AM How to Design and Make a Low Cost, Low Tech. Solar Tracking System by npsdhillon	Last post: 03/19/2012 11:17 AM by Randall	32	1240
04/22/2011 2:42 AM Nano Airlift Pump? How High Can it Pump? by gaiatechnician	Last post: 03/13/2012 1:18 PM by gaiatechnician	14	1424
03/10/2012 10:19 AM Physical Meaning of Weibull Function by mansoor_vm	Last post: 03/10/2012 10:29 AM by lyn	1	164
01/23/2012 4:26 PM Dubai Too Hot for Solar Panels? by GlobalReach	Last post: 03/07/2012 3:44 PM by Johny451	30	730
03/03/2012 4:44 AM Controlled Use of Geothermal Energy From Volcanic Lawa by pritam	Last post: 03/06/2012 9:10 AM by ci139	22	329
03/03/2012 12:16 PM Conservation by blocko	Last post: 03/04/2012 7:21 PM by TVP45	7	254
02/28/2012 9:46 PM Hot Water with Hydro by lighthasmass	Last post: 03/04/2012 10:49 AM by Far	22	407
02/22/2012 7:11 PM Hydro Power for Trout Hatchery by awdturbo04	Last post: 02/27/2012 6:46 AM by irelandeng	8	348
01/09/2010 11:19 AM Power Quality devices vs VFD's and Power Factor Correction devices. by smartpowergary	Last post: 02/15/2012 4:00 PM by rodeh	17	636
01/18/2012 4:05 AM Quick Charging Technology For Car Battery by Kuldeep Yadav	Last post: 02/13/2012 5:35 PM by elnav	18	355
01/13/2012 5:25 AM How to Convert Off-peak Wind Energy Into On-peak Electricity Production? by GlobalReach	Last post: 02/07/2012 9:32 PM by czgut	93	896
02/02/2012 8:51 AM Search for the Salvaged (Liberty Engines) by EkoNation	Last post: 02/02/2012 2:08 PM by SolarEagle	3	190
09/04/2011 6:38 AM Micro Hydro and Wind Turbine - Closed Loop for Water by cristle	Last post: 01/30/2012 8:38 PM by czgut	15	706
01/26/2012 12:57 PM Looking For a Dissociation/Co-generation Solution by michael phelan	Last post: 01/27/2012 3:43 PM by SolarEagle	1	130
05/05/2009 5:02 AM Anaerobic Digesters for Methane Production by Anonymous Poster	Last post: 01/22/2012 11:44 AM by marcopolo	3	161
11/08/2011 10:13 PM Power in the Wind by johnnyb5	Last post: 01/17/2012 6:52 AM by Garthh	36	419
01/07/2012 5:53 PM PV Price Discrepancies by Tompa	Last post: 01/15/2012 8:27 AM by Tompa	75	647
01/03/2012 11:34 PM Waterless Toilets- For Droughted Areas by ds	Last post: 01/12/2012 3:54 PM by Ried	11	358
12/23/2011 4:49 PM Life of the Christmas Tree by HUSH	Last post: 01/05/2012 2:23 AM by pnaban	3	267
12/21/2011 9:47 AM re-engineering an Economy by David Arens	Last post: 01/03/2012 12:31 PM by Anonymous Poster	61	434
12/17/2011 8:22 PM Glass Recycling by Sid_Sidow	Last post: 12/31/2011 2:09 AM by ds	15	480
12/20/2011 1:42 PM Methane Fuel Cells by Ron Davison	Last post: 12/31/2011 1:37 AM by ds	54	486
03/25/2011 10:35 PM Thermal Storage by Anonymous Poster	Last post: 12/23/2011 5:56 PM by oliverg1	13	375
12/01/2011 7:00 AM How Many Retailers Does It Take to Change a Lightbulb? by PWSlack	Last post: 12/22/2011 10:54 PM by 129CBRider	14	392
06/24/2011 6:11 AM Wind Loads on PV Structures, Ground Mounted by Raam	Last post: 12/22/2011 12:15 AM by rikio	13	638
04/29/2010 4:24 PM Underground Flywheels for Energy Storage by SavvyExacta	Last post: 12/15/2011 2:35 PM by Isti80	19	404
12/04/2011 4:34 AM Solar Collector by bravo88	Last post: 12/06/2011 9:11 AM by Ried	11	479
11/17/2011 11:06 PM Small Vehicle for Pulling Unmotorized RVs by ds	Last post: 12/03/2011 8:13 AM by 129CBRider	17	393
11/26/2011 2:03 AM Stirling Engines by nikos larissis	Last post: 12/02/2011 4:24 AM by woodpower	5	396
11/21/2011 9:10 PM Test On the Underwater-Current Flow Along the Eastern Coastal Waters of Negros by Hyginus Parco	Last post: 11/30/2011 11:00 AM by cuba_pete	4	131
10/15/2011 11:59 AM What are the Benefits of Reforestation by ravimalhi544	Last post: 11/23/2011 12:03 AM by 129CBRider	17	237
11/21/2011 4:45 PM Very Small Commercial Windmill/Generator? by Roland Burton	Last post: 11/22/2011 10:09 AM by 129CBRider	9	374
03/06/2008 5:28 PM Fiberglass Recycling and Disposal by Anonymous Poster	Last post: 11/22/2011 2:45 AM by Me2	24	4447
11/08/2011 11:05 PM Solar Cell Deteriorates When Exposed to Air by conntaxman	Last post: 11/10/2011 3:27 PM by Tompa	23	447
11/05/2011 2:15 AM Solar Evaporation Ponds by gaurav.rkadam	Last post: 11/10/2011 4:17 AM by PWSlack	3	157
11/04/2011 9:04 AM Wind Power Illusion by zgm	Last post: 11/04/2011 11:05 AM by tcmtech	5	210
11/02/2011 7:30 AM Voltage Rating by garuda777	Last post: 11/02/2011 7:33 PM by jack of all trades	1	168
10/30/2011 8:00 AM Photovoltaic Cells- What's to Stop You Doing This.... by brian hughes	Last post: 11/02/2011 9:32 AM by brian hughes	17	458
10/17/2011 7:37 AM New Use For Thin Plastic Store Bags by kramarat	Last post: 10/24/2011 4:08 PM by 34point5	35	642
09/12/2011 10:03 AM DIY Gassification by bc_eng	Last post: 10/20/2011 4:18 PM by marcopolo	17	538
05/31/2009 8:38 AM Using a Freezer as an Air Conditioner by kramarat	Last post: 10/20/2011 12:26 PM by kramarat	98	3202
10/15/2011 7:19 PM Test by Anonymous Poster	Last post: 10/19/2011 6:33 AM by RoyBoy2727	13	142
10/06/2011 5:11 AM Facts ? by Dilip Dombivalikar	Last post: 10/19/2011 12:01 AM by pnaban	26	299
10/02/2011 5:40 AM Windmill Vs Grid Stability? by mansoor_vm	Last post: 10/18/2011 1:17 PM by russ123	16	447
10/15/2011 11:49 AM Reforestation by ravimalhi544	Last post: 10/16/2011 9:28 AM by jtd405	4	167
10/11/2011 8:52 PM Philippine Test Case 1201-C: What Better Option(s) Would You Suggest? by manilaman	Last post: 10/13/2011 7:23 PM by Far	1	204
07/08/2011 9:38 PM Why We Should Build Floating Towns and Cities by GEORGEB	Last post: 10/07/2011 2:47 AM by YASHWANTH prathap chandran	30	485
09/25/2011 1:23 AM Small 12v Project Needs Help by oscarillo	Last post: 09/30/2011 4:27 PM by K_Fry	35	467
09/05/2011 12:34 PM Nutrient Value of Algae by qaqcpipeman	Last post: 09/27/2011 5:21 PM by qaqcpipeman	10	346
09/24/2011 11:57 PM Use of Air Conditioner by package54	Last post: 09/26/2011 7:46 AM by ozzb	9	481
09/01/2011 4:21 PM Harvesting Overflow to Boost Water Pressure by Garthh	Last post: 09/25/2011 1:21 AM by MUKULMAHANT	30	527
05/18/2010 8:18 AM Coal Catalyst by sharadmandale	Last post: 09/19/2011 8:58 PM by PeterV	7	212
09/16/2011 1:31 AM Something New in Fusion Research by Ed Weldon	Last post: 09/18/2011 11:10 PM by Tornado	13	339
06/19/2011 8:11 AM Stirling Engine by chandu krishnamurthi	Last post: 09/18/2011 1:18 AM by redfred	64	611
09/08/2011 6:46 AM Solar Pre-heated Water - Need Help Getting Water To Flow by Dennis Beckwith	Last post: 09/17/2011 2:06 PM by artsmith	43	1163
09/20/2010 4:53 PM Small Scale ORC Power Gen by hangwaiter	Last post: 09/16/2011 12:22 PM by Mizun	4	323
03/01/2011 1:34 AM Looking For Practical Sterling Engine Design Resource by DarylM	Last post: 09/16/2011 11:46 AM by chtank	8	571
10/13/2010 9:06 PM ROI on Solar/Battery Systems by regworth	Last post: 09/16/2011 11:45 AM by Mizun	49	2961
11/08/2010 6:33 PM Clean Technology by Anonymous Poster	Last post: 09/16/2011 11:19 AM by Mizun	19	210
02/09/2011 11:39 AM Is this Passive Solar Free Piston Stirling Cycle Possible? by Anonymous Poster	Last post: 09/16/2011 10:53 AM by Mizun	3	190
06/01/2011 9:45 AM Micro Biogas System? by jayjayfraher	Last post: 09/16/2011 10:33 AM by Mizun	4	165
12/06/2009 10:14 AM Vertical Axis Wind Turbines by bob.gagnon	Last post: 09/14/2011 10:03 AM by Garthh	10	356
08/31/2011 2:42 PM Solyndra Chapter 11; End of US Solar mfg.? by Ed Weldon	Last post: 09/09/2011 7:42 AM by PFR	33	462
08/29/2011 1:38 AM Concre flooring with Acid Stain finish by foretec	Last post: 08/29/2011 1:46 AM by Tornado	1	168
08/13/2011 9:50 AM Implux and Windgate Wind Turbines for Low Breezes. by duikerbok	Last post: 08/26/2011 1:21 PM by duikerbok	5	265
08/25/2011 11:47 PM Philippine Test Case # 1201: What would you recommend as a Power Plant by manilaman	Last post: 08/26/2011 12:09 AM by Tornado	1	257
08/21/2011 10:31 PM Plant Advisor by Arianto Soebagio	Last post: 08/23/2011 10:53 PM by Qwack	5	213
08/23/2011 5:15 AM Methane Yield Versus Duration of Exposure (Before Getting Into Digester) by Kemal	Last post: 08/23/2011 9:45 AM by Kemal	3	232
08/12/2011 4:47 PM Philippine Test Case # 1101: What Would You Recommend As An Appropriate RE Power by manilaman	Last post: 08/15/2011 5:41 PM by indel	16	259
08/04/2011 8:21 AM Above Ground Pool Solar Coil Design by brfox	Last post: 08/13/2011 3:45 PM by ky	15	285
06/11/2011 1:17 PM Designing Gas for Different Temperatures to Cut Costs by ds	Last post: 08/12/2011 4:29 PM by ky	22	286
07/31/2011 2:27 PM Cheap Plastic Made from Sugarcane by Garthh	Last post: 08/08/2011 10:31 AM by Doorman	30	409
03/12/2011 1:11 AM Square Rigged Sail Wind Turbine by SRSWT	Last post: 08/04/2011 3:15 AM by SRSWT	40	859
08/03/2011 2:27 AM Air Compressor Capacity? by JBK	Last post: 08/03/2011 6:52 AM by Anonymous Poster	1	237
07/28/2011 10:02 AM House made of plastic bottles by Blokle	Last post: 07/29/2011 9:20 AM by 34point5	9	220
07/07/2011 11:55 AM Optimized Engineering Materials Through Cleantech by pvhramani	Last post: 07/26/2011 11:18 AM by pvhramani	13	1175
06/20/2011 10:36 PM Wind Turbine Local Loop by JEP	Last post: 07/14/2011 10:48 PM by 129CBRider	42	442
07/11/2011 10:02 AM Lamp Recycling = Artificial Industry? by NotUrOrdinaryJoe	Last post: 07/13/2011 11:35 AM by WWkayaker	14	402
07/02/2011 8:07 PM Wave Power Generation Using Reservoirs by GEORGEB	Last post: 07/08/2011 4:34 PM by Sleepy	35	482
06/22/2011 4:12 AM Reciprocating Air Compressor with Bull Power by balakrishnan Pullat	Last post: 07/07/2011 12:37 PM by esbuck	26	330
06/28/2011 12:46 AM Power generation from Cotton Waste by ajsmmill	Last post: 07/06/2011 8:56 PM by 129CBRider	6	174
05/23/2011 2:33 PM Cost of Shipping Containers in Haiti by Shannon Link	Last post: 07/05/2011 2:52 PM by sophia	26	764

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