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Search found 417 matches

by rhills
Wed, 22 Sep 2010, 06:44
Forum: Electric motors and controllers
Topic: Direct to wheel motors
Replies: 67
Views: 14253

Direct to wheel motors

I have an Audi A4 Quattro (4wd) that's 11 years old and still going strong. My "EV dream" is to convert it when the ICE eventually dies... Hi Rob, you seem to have got lost in all the noise. Well, there are several conversations going on simultaneously, so it's hardly surprising :-) There are some ...
by rhills
Tue, 21 Sep 2010, 21:29
Forum: Members Machines
Topic: Custom Build... 2 Speed RC Motored e-Cruiser
Replies: 47
Views: 11677

Custom Build... 2 Speed RC Motored e-Cruiser

I had the same thought as I typed it. I've used the expression from time to time but never discovered its origin. WRT the galvanic corrosion, I see it all the time with Aluminium and stainless steel. I own a yacht and if I put a SS screw into an aluminium spar (mast or boom) without using Duralac (o...
by rhills
Tue, 21 Sep 2010, 18:51
Forum: Members Machines
Topic: Custom Build... 2 Speed RC Motored e-Cruiser
Replies: 47
Views: 11677

Custom Build... 2 Speed RC Motored e-Cruiser

Hey Kim, Great project which I've been following with interest. You certainly seem to know what you're doing with metal so forgive me if I'm trying to teach you how to suck eggs here, but are you aware of the need to use Durolac (AKA "yellow goop) between the SS and the ally to prevent galvanic corr...
by rhills
Sun, 19 Sep 2010, 04:56
Forum: Electric motors and controllers
Topic: Direct to wheel motors
Replies: 67
Views: 14253

Direct to wheel motors

I have an Audi A4 Quattro (4wd) that's 11 years old and still going strong. My "EV dream" is to convert it when the ICE eventually dies. It's a great car and I particularly enjoy the dramatic improvement in road holding that the full-time 4wd gives me compared with 2wd. I have often pondered the bes...
by rhills
Fri, 17 Sep 2010, 23:09
Forum: Members Machines
Topic: Nevilleh's BMW
Replies: 337
Views: 60843

Nevilleh's BMW

... and discovered a very helpful article that explained how to fix it using plastic gears from Jaycar that just happen to be the exact right size! So now my odo is working again... Is it worthwhile posting the link to the useful article for future reference while it's fresh in your memory. It can ...
by rhills
Fri, 17 Sep 2010, 19:44
Forum: The Lounge
Topic: PayPal?
Replies: 30
Views: 5082

PayPal?

but looking at my Windows desktop currency convertor it is showing .93810 I dont know if the difference is Almost certainly your "Windows desktop currency converter" is quoting the so-called "cross rate" which is the raw exchange rate. This will be the rate banks and countries get, probably best to...
by rhills
Thu, 16 Sep 2010, 02:34
Forum: Members Machines
Topic: Obsolete Thread
Replies: 576
Views: 97605

EV2Go's - Lithium Powered Trike

I tend to lean towards plastic for light weight and also corrosion resistance. However, here you may also have to worry about UV resistance, any idea how the plastic will stand up to UV? What about price, up front and also if it has to be replaced down the track? FWIW, the shiny plastic one looks ni...
by rhills
Tue, 14 Sep 2010, 17:47
Forum: Scooters, mopeds and electric toys
Topic: Electric Scooter
Replies: 8
Views: 3828

Electric Scooter

Hey Fly, If you are looking at these messages on the web, you don't need to get Simon's email address, just click on his name next to one of his posts and a menu will drop down that includes "send private message" - that's a better way to go anyway than posting an email address on a public forum tha...
by rhills
Wed, 08 Sep 2010, 17:59
Forum: Members Machines
Topic: gholm's Morris J2 Van- 1966
Replies: 187
Views: 52017

gholm's Morris J2 Van- 1966

All I have to do is get around the very wide margin of error of my speedo, currently quite loosely calibrated in mph and jumpy as a cat on cracker night Hmmm, "jumpy as a cat". Sounds very much to me like a cable-driven speedo with a broken strand (wire strand sticks out and snags inside the tube, ...
by rhills
Wed, 08 Sep 2010, 17:43
Forum: Members Machines
Topic: Weber and Coulomb's MX-5
Replies: 1698
Views: 368842

Weber and Coulomb's MX-5

I use 291 on my boat and it's very sticky stuff. I agree with Jeff, you probably need to degrease the metal a bit. At least some of the sheen you mention is likely due to machine oil that very little of anything would stick to.
by rhills
Fri, 03 Sep 2010, 06:43
Forum: The Lounge
Topic: Code Help
Replies: 30
Views: 9132

Code Help

I think you just have to assume standard atmospheric pressure. Remember those weather maps they show at the end of the news with Highs and Lows on them? Well Highs are simply when the pressure is higher than "standard" (ie 100 kpa) and Lows when the pressure is "lower" than standard. On weather maps...
by rhills
Fri, 03 Sep 2010, 06:16
Forum: The Lounge
Topic: Code Help
Replies: 30
Views: 9132

Code Help

The formula you mentioned didn't mention the units for absolute pressure, but I'll bet they're pascals, not kilopascals. If you replace the 100 (kilopascals) with 100,000 (pascals) I think you'll get the answer you want.
by rhills
Fri, 03 Sep 2010, 05:53
Forum: The Lounge
Topic: Code Help
Replies: 30
Views: 9132

Code Help

IIRC, absolute temperature is measured in °K (Kelvin), not celcius. Kelvin starts much lower than Celcius and I believe the conversion formula is K = °C + 273.15. As for air pressure, it reduces linearly with altitude - I believe aeroplane altimeters actually measure air pressure and calculate the a...
by rhills
Thu, 02 Sep 2010, 01:06
Forum: Batteries, charging, management and monitoring
Topic: Questions on Elcon/TC chargers
Replies: 95
Views: 25184

Questions on Elcon/TC chargers

I don't read Chinese, but I'm guessing you need a username and password to be able to log in. Maybe then you also need to be able to read Chinese to read what's on the page?
by rhills
Tue, 24 Aug 2010, 23:55
Forum: The Lounge
Topic: emissions trading / carbon trading
Replies: 94
Views: 12481

emissions trading / carbon trading

Carbon taxes, and Emission trading schemes are not a valid model to deal with Australia's unique environmental circumstance. So, what do you think is a valid model? I also have a problem with the inefficiency of Government, but I have a bigger problem with the current process that's simply not prod...
by rhills
Tue, 24 Aug 2010, 23:35
Forum: The Lounge
Topic: emissions trading / carbon trading
Replies: 94
Views: 12481

emissions trading / carbon trading

The point you make is an interesting one. Obviously there is still a small minority of homophobic bigots. However, I suspect the question of same sex marriage is more complex than that. Not only do I agree with your analysis of this problem, but I also strongly agree with your proposal. As a child ...
by rhills
Mon, 16 Aug 2010, 22:15
Forum: The Lounge
Topic: emissions trading / carbon trading
Replies: 94
Views: 12481

emissions trading / carbon trading

The per capita concept is irrelevant when we are dealing with one biosphere. Let's take this concept to its logical conclusion. "Per Capita" is irrelevant in Australia, because we have so few heads and the amount of CO2 we produce overall is miniscule. I as an individual produce a tiny amount of CO...
by rhills
Sun, 15 Aug 2010, 22:10
Forum: EV Motoring
Topic: Mitsubishi Electric Car lands in Australia
Replies: 73
Views: 10997

Mitsubishi Electric Car lands in Australia

You are indeed baffled, aren't you. Like many here, I admire Ross' work and would like to support an Ozzie business. I have contemplated several times buying a Blade but each time I've decided not to. Here's why: First, some background. I own a real dinosaur, a 1990 Pajero V6 which I'd dearly like t...
by rhills
Fri, 13 Aug 2010, 05:11
Forum: General EV Discussion
Topic: Government EV Policy
Replies: 35
Views: 5016

Government EV Policy

I agree it's difficult to hold someone to something that's vaguely written. I also agree that at least the Libs have been clear and concise. They think climate change is "crap" and that nothing needs to be done and they're happy to assassinate anyone in their ranks who is silly enough to try and ups...
by rhills
Thu, 12 Aug 2010, 09:28
Forum: General EV Discussion
Topic: Government EV Policy
Replies: 35
Views: 5016

Government EV Policy

Nice find, Leighf! I agree that campaign promises these days are pretty worthless, but at least one party has actually said something concrete and if they are re-elected, it will be up to us to pressure them to carry out their promise.

by rhills
Mon, 09 Aug 2010, 20:18
Forum: General EV Discussion
Topic: Cash for Clunkers and EV conversions
Replies: 12
Views: 1720

Cash for Clunkers and EV conversions

Sorry, Peter C, for hijacking your thread and blabbing on about politics and particularly for not acknowledging your excellent efforts to try and salvage something useful from this otherwise worthless political stunt. I hope you succeed.
by rhills
Mon, 09 Aug 2010, 20:15
Forum: General EV Discussion
Topic: Cash for Clunkers and EV conversions
Replies: 12
Views: 1720

Cash for Clunkers and EV conversions

The best result for EV progress is a LIB/NAT victory, since Joe Hockey is an EV supporter, and has expressed doubts about the value of an all or nothing LPG policy. Hockey has expressed support for the introduction of fast charging stations and may increase support if he and others can see that maj...
by rhills
Mon, 09 Aug 2010, 18:01
Forum: Members Machines
Topic: Weber and Coulomb's MX-5
Replies: 1698
Views: 368842

Weber and Coulomb's MX-5

We've had a bit of trouble getting a serial port working on Weber's relatively new Dell laptop. It comes with 64-bit Windows 7, which despite the name, isn't very Windows compatible. Guess you're up and running now, but don't forget the Linux option. I too bought a 64-bit laptop recently that came ...
by rhills
Mon, 26 Jul 2010, 21:41
Forum: General EV Discussion
Topic: Will NiZn be better option for EVers?
Replies: 7
Views: 1643

Will NiZn be better option for EVers?

I looked at the US Green Batteries link you gave and read that the NiZn batteries they sell require a "dedicated charger" but as far as I could see, they don't sell one. What's with that?

by rhills
Mon, 19 Jul 2010, 09:58
Forum: The Lounge
Topic: Random Posters
Replies: 4
Views: 1174

Random Posters

If links were to be stripped, it'd be good if the poster were somehow notified - people seem to struggle enough with links as it is. I suspected the purpose of the bogus posts was to raise search engine rankings. Maybe people should have to post to the "what do you do for a living" or maybe a new "i...