# Technical Discussions **URL:** https://community.electricforum.com/c/general-technical-discussions/62.md?page=2 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 3 --- ## [Are hydro cars better than electric](https://community.electricforum.com/t/are-hydro-cars-better-than-electric/5841)
**Author:** [@ATLjunkcars](https://community.electricforum.com/u/ATLjunkcars)\ **Replies:** 3\ **Last updated:** [March 16, 2016, 11:43am UTC](https://community.electricforum.com/t/are-hydro-cars-better-than-electric/5841 "2016-03-16T11:43:52Z")
Some say the electric car is only gonna be around for a short time until the hydrogen car takes over. What do you think? --- ## [Bbp](https://community.electricforum.com/t/bbp/5732)
**Author:** [@Bbp](https://community.electricforum.com/u/Bbp)\ **Replies:** 2\ **Last updated:** [January 16, 2016, 3:02pm UTC](https://community.electricforum.com/t/bbp/5732 "2016-01-16T15:02:52Z")
06 gem how test A code 5 --- ## [Ground effect car!](https://community.electricforum.com/t/ground-effect-car/5701)
**Author:** [@speedster\_z](https://community.electricforum.com/u/speedster_z)\ **Replies:** 6\ **Last updated:** [December 28, 2015, 8:28am UTC](https://community.electricforum.com/t/ground-effect-car/5701 "2015-12-28T08:28:45Z")
Hello ! I have sketched a fully functioning carlike vehicle. I designed a car first but got no funding for it. This "flying car" is using the ground effect to become "weightless" and thus using no tyres at speeds abo… --- ## [What is torque?](https://community.electricforum.com/t/what-is-torque/5092)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 3\ **Last updated:** [December 1, 2015, 8:33pm UTC](https://community.electricforum.com/t/what-is-torque/5092 "2015-12-01T20:33:28Z")
In simple terms torque is a measure of force when rotating an object about an axis. The reason why this particular subject is so important with electric vehicles is because instantly as soon as you step on the gas your E… --- ## [Range v charge time](https://community.electricforum.com/t/range-v-charge-time/5508)
**Author:** [@alan](https://community.electricforum.com/u/alan)\ **Replies:** 2\ **Last updated:** [November 2, 2015, 1:52pm UTC](https://community.electricforum.com/t/range-v-charge-time/5508 "2015-11-02T13:52:13Z")
With all the advances made in battery technology regarding their increased range . I think they should look more into ways of decreasing the time to charge the battery It is the one area of electric vehicles that stops… --- ## [Fuel cost comparison](https://community.electricforum.com/t/fuel-cost-comparison/5430)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 6\ **Last updated:** [October 13, 2015, 5:41pm UTC](https://community.electricforum.com/t/fuel-cost-comparison/5430 "2015-10-13T17:41:21Z")
Petrol/Gas cost vs electricity comparison. Type of driving - City Car - 2003 Lincoln Town Car NEV - 99 GEM 4 seater (Modified) Gas Cost - $2.10 per Gallon Electricity - $.141 Per KW Meter - DOS238-4 Single P… --- ## [Chevy Spark EV Donor For Kit Car](https://community.electricforum.com/t/chevy-spark-ev-donor-for-kit-car/4155)
**Author:** [@Giovanni\_LiCalsi](https://community.electricforum.com/u/Giovanni_LiCalsi)\ **Replies:** 1\ **Last updated:** [September 21, 2015, 11:27pm UTC](https://community.electricforum.com/t/chevy-spark-ev-donor-for-kit-car/4155 "2015-09-21T23:27:06Z")
I'm waiting for the day that I can purchase a used Chevy Spark EV drivetrain to use in a Porsche 550 Spyder kit car. I plan on using the stock battery pack, digital dashboard and inverter. Will the CAN BUS need to be hac… --- ## [Marlon Update](https://community.electricforum.com/t/marlon-update/5120)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [July 4, 2015, 1:46pm UTC](https://community.electricforum.com/t/marlon-update/5120 "2015-07-04T13:46:42Z")
Had a half hour conversation with Marlon yesterday. We had a long discussion about gearboxes. He also gave me some programming hints that I hadn't considered and will play with next week. All you guys need to remember h… --- ## [Electrical Question](https://community.electricforum.com/t/electrical-question/4910)
**Author:** [@Milton\_Mike](https://community.electricforum.com/u/Milton_Mike)\ **Replies:** 7\ **Last updated:** [April 22, 2015, 6:35am UTC](https://community.electricforum.com/t/electrical-question/4910 "2015-04-22T06:35:54Z")
I have a 99 Gem 2. Drives fine but have no lights,turn signals, horn or brake lights. Any info on what to look at. --- ## [Gem Car motor issues](https://community.electricforum.com/t/gem-car-motor-issues/4905)
**Author:** [@gofast67](https://community.electricforum.com/u/gofast67)\ **Replies:** 6\ **Last updated:** [April 15, 2015, 5:19pm UTC](https://community.electricforum.com/t/gem-car-motor-issues/4905 "2015-04-15T17:19:51Z")
Good morning. I have a 6 passenger Gem Car 72volt. I am having an issue with it. It will go forward fine but when you put it in reverse it sends sparks flying out of the electric motor. Has anyone had this issue and can … --- ## [Gem Car motor issues](https://community.electricforum.com/t/gem-car-motor-issues/4904)
**Author:** [@gofast67](https://community.electricforum.com/u/gofast67)\ **Replies:** 0\ **Last updated:** [April 15, 2015, 7:11am UTC](https://community.electricforum.com/t/gem-car-motor-issues/4904 "2015-04-15T07:11:52Z")
Hood morning. I have a 6 passenger Gem Car 72volt. I am having an issue with it. It will go forward fine but when you put it in reverse it sends sparks flying out of the electric motor. Has anyone had this issue and can … --- ## [Playing with Programmer](https://community.electricforum.com/t/playing-with-programmer/4894)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [April 9, 2015, 3:15pm UTC](https://community.electricforum.com/t/playing-with-programmer/4894 "2015-04-09T15:15:00Z")
\[image\] This is a copy of my results. 1, 7, 20, and 22 are the significant settings when changing tire sizes and performance. I had my 3.5 HP up to 35MPH before I backed off. FUN FUN FUN --- ## [Programmer](https://community.electricforum.com/t/programmer/4891)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [April 8, 2015, 9:58am UTC](https://community.electricforum.com/t/programmer/4891 "2015-04-08T09:58:57Z")
I bought a programmer. WHOOOOOOEEEE . Any serious GEMMER really needs to have one of these things. I spent 2 hours playing with it yesterday. Guess what guys, it's not smoke and mirrors. There are tons of adjustments tha… --- ## [Noisy power steering on cold days](https://community.electricforum.com/t/noisy-power-steering-on-cold-days/4747)
**Author:** [@baukienvn](https://community.electricforum.com/u/baukienvn)\ **Replies:** 1\ **Last updated:** [January 30, 2015, 7:21am UTC](https://community.electricforum.com/t/noisy-power-steering-on-cold-days/4747 "2015-01-30T07:21:39Z")
My power steering has been noisy on colder days, it goes quiet after a few minutes, but its very annoying and I want to figure out how to address it. I am not a mechanic, so need some expert opinions from DIY crowd. I'm … --- ## [Have you ever used an electric brake?](https://community.electricforum.com/t/have-you-ever-used-an-electric-brake/4571)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 1\ **Last updated:** [December 22, 2014, 11:53pm UTC](https://community.electricforum.com/t/have-you-ever-used-an-electric-brake/4571 "2014-12-22T23:53:08Z")
I have been looking at general questions and queries in relation to EVs and see a number of people unsure about the best way to use an electric brake. Some believe the break will disengage itself as you move off while… --- ## [Ge controller information](https://community.electricforum.com/t/ge-controller-information/4676)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [December 5, 2014, 3:08pm UTC](https://community.electricforum.com/t/ge-controller-information/4676 "2014-12-05T15:08:15Z")
Here is MUST HAVE information for GE Controllers Download Technical Manuals for Electric Forklift, Golf Cart Controls Tech Manual catalog Has all controllers used on GEM cars. http://www.fsip.biz/Docum… --- ## [Input Shaft Leaking](https://community.electricforum.com/t/input-shaft-leaking/4566)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [October 23, 2014, 3:09pm UTC](https://community.electricforum.com/t/input-shaft-leaking/4566 "2014-10-23T15:09:48Z")
My 1999 GEM leaked from the input shaft. I replaced the bearing 3 times but it still weeped. There is enough room to press a sleeve on the shaft (sealed with epoxy) and use a regular seal. Specs. .960 OD .250 lengt… --- ## [Wires](https://community.electricforum.com/t/wires/4523)
**Author:** [@sandbarpete](https://community.electricforum.com/u/sandbarpete)\ **Replies:** 0\ **Last updated:** [October 13, 2014, 8:06pm UTC](https://community.electricforum.com/t/wires/4523 "2014-10-13T20:06:02Z")
Just bought a 2002 4seater gem I noticed under one of the batteries that there was two wires sitting there not plugged into nothing where do they go they are 1red and 1 yellow thanks --- ## [05 GEM ES motor whine](https://community.electricforum.com/t/05-gem-es-motor-whine/3790)
**Author:** [@spider445](https://community.electricforum.com/u/spider445)\ **Replies:** 3\ **Last updated:** [October 7, 2014, 4:24pm UTC](https://community.electricforum.com/t/05-gem-es-motor-whine/3790 "2014-10-07T16:24:41Z")
Is the motor supposed to be quite when powering down the road, the GEM I just purchased sound like a jet fighter going down the road at 20 plus mph. No trouble codes showing on the display, when I back off the pedal it… --- ## [DANA transaxle info](https://community.electricforum.com/t/dana-transaxle-info/4497)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [October 6, 2014, 6:53am UTC](https://community.electricforum.com/t/dana-transaxle-info/4497 "2014-10-06T06:53:26Z")
This is gear set information for the DANA H-12 series of trans axles that are common in GEM, EZGO and other brands of recreational vehicles. The first numbers are the tooth counts, the second set of numbers are the ind… --- ## [89 honda civic ED6 model](https://community.electricforum.com/t/89-honda-civic-ed6-model/1363)
**Author:** [@BellaCai](https://community.electricforum.com/u/BellaCai)\ **Replies:** 9\ **Last updated:** [September 18, 2014, 11:55pm UTC](https://community.electricforum.com/t/89-honda-civic-ed6-model/1363 "2014-09-18T23:55:55Z")
hi i just have a friend who are professional on car tools and problems, and he manage an autodiag.de eshop online,maybe you could go and have a look. As they have cs there. Good luck --- ## [Hard steering](https://community.electricforum.com/t/hard-steering/4451)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [September 18, 2014, 6:14pm UTC](https://community.electricforum.com/t/hard-steering/4451 "2014-09-18T18:14:09Z")
I just installed a 2 to 1 reducer on my E825 4. Big difference in effort and doesn't use any power. No exterior changes in the cart. --- ## [What price would you be willing to pay for an EV?](https://community.electricforum.com/t/what-price-would-you-be-willing-to-pay-for-an-ev/4134)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [March 21, 2014, 1:09am UTC](https://community.electricforum.com/t/what-price-would-you-be-willing-to-pay-for-an-ev/4134 "2014-03-21T01:09:27Z")
There has been much debate about the cost of EVs and whether they are too expensive. After taking into account government financial incentives, what price would you be willing to pay for an EV? Regards, Mark --- ## [Tips for improving journey capacity?](https://community.electricforum.com/t/tips-for-improving-journey-capacity/3927)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [December 13, 2013, 3:55pm UTC](https://community.electricforum.com/t/tips-for-improving-journey-capacity/3927 "2013-12-13T15:55:59Z")
Do you have any tips you would give other EV drivers about improving their journey capacity. I read somewhere that a cold climate can impact the efficiency of your batteries and your vehicle - is this right? Regards, … --- ## [Turn signal problem](https://community.electricforum.com/t/turn-signal-problem/3789)
**Author:** [@spider445](https://community.electricforum.com/u/spider445)\ **Replies:** 0\ **Last updated:** [October 8, 2013, 11:12am UTC](https://community.electricforum.com/t/turn-signal-problem/3789 "2013-10-08T11:12:33Z")
Hi, new on the forum and had a question with my 2005 GEM ES, the factory turn signal has been bypassed with a Golf Cart style signal controller. I would like to remove this and go back to stock. When I operate the f… --- ## [Are there third party companies that install and sell batteries in electric cars?](https://community.electricforum.com/t/are-there-third-party-companies-that-install-and-sell-batteries-in-electric-cars/3724)
**Author:** [@2048Megabytes](https://community.electricforum.com/u/2048Megabytes)\ **Replies:** 2\ **Last updated:** [September 5, 2013, 3:31pm UTC](https://community.electricforum.com/t/are-there-third-party-companies-that-install-and-sell-batteries-in-electric-cars/3724 "2013-09-05T15:31:34Z")
Are there third party companies that install and sell batteries for electric cars? I like the Mitsubishi i MiEV but the $10,500 battery replacement is one of the things that scares me away. --- ## [2002 Gem Car battery issue](https://community.electricforum.com/t/2002-gem-car-battery-issue/3408)
**Author:** [@bigtony55](https://community.electricforum.com/u/bigtony55)\ **Replies:** 0\ **Last updated:** [May 12, 2013, 3:27pm UTC](https://community.electricforum.com/t/2002-gem-car-battery-issue/3408 "2013-05-12T15:27:22Z")
I just picked up a gem car has good trojans less then 3 year old i load tested them and they all tested fine but when driving it runs great from 100% to 50% then once it hits the 50% falls on its face down to 15% and shu… --- ## [Basic Trouble Shooting](https://community.electricforum.com/t/basic-trouble-shooting/3280)
**Author:** [@Jose\_Marc](https://community.electricforum.com/u/Jose_Marc)\ **Replies:** 0\ **Last updated:** [April 1, 2013, 3:14am UTC](https://community.electricforum.com/t/basic-trouble-shooting/3280 "2013-04-01T03:14:16Z")
To expert EV owners, is there advice to be given to avoid getting fully discharged when driving? --- ## [Curtis DC controller repair and upgrades](https://community.electricforum.com/t/curtis-dc-controller-repair-and-upgrades/2776)
**Author:** [@evnut](https://community.electricforum.com/u/evnut)\ **Replies:** 0\ **Last updated:** [October 19, 2012, 6:33pm UTC](https://community.electricforum.com/t/curtis-dc-controller-repair-and-upgrades/2776 "2012-10-19T18:33:04Z")
Now available repair and upgrades for Curtis DC controllers. 1231C upgrades available to 176vdc at 700amp. Contact ev-converter@hotmail.com for pricing and mail in procedure. --- ## [Extremely new](https://community.electricforum.com/t/extremely-new/2755)
**Author:** [@Bart](https://community.electricforum.com/u/Bart)\ **Replies:** 0\ **Last updated:** [October 10, 2012, 9:22pm UTC](https://community.electricforum.com/t/extremely-new/2755 "2012-10-10T21:22:27Z")
So Im not an electric engineer (and you'll know why when i ask the question) and my knowledge of battery wiring extends only to the reach of changing out the batteries in a remote. sad but true. so alot of people are … [Previous page](https://community.electricforum.com/c/general-technical-discussions/62.md?page=1) [Next page](https://community.electricforum.com/c/general-technical-discussions/62.md?page=3)