Talk:Motor Development International

message: Cute idea, but does it actually work?  Article needs more info. --John Nagle 03:55, 17 June 2006 (UTC)
thread_title:  Cute idea 

message: This is the worst wikipedia article I have yet seen.  "Leads one to believe"?  Real encyclopediac there.24.165.210.213 04:12, 31 October 2006 (UTC)
thread_title:  Worst article ever 

message: Please follow the discussions on the german wikipedia http://de.wikipedia.org/wiki/Diskussion:Druckluftauto#Thermodynamische_Berechnung  where a thermodynamic calculation has been done.
Key figures: to fill the reservoirs in 5 minutes, you would need a compressor of over one Megawatt.
To fill the reservoir a total amount of 94 kWh of energy is needed.
The maximum theoretical energy stored in the reservoirs is around 14 kWh (@ isothermic expansion).
On the off chance that Nègre developed a world-class compressed air engine with 50 % efficiency (which is unlikely) the overall efficiency would be max. 7 %.
In all these calculations the need for dehydrating the compressed air is not included, which will add to an even worse performance. The air needs to be completely dry, otherwise the engine would ice up immediately. Also, in case the engine would have a heat exchanger to get some of the lost heat energy back from ambiant air, the engine would only work (miserably) in warm countries or seasons.
—Preceding unsigned comment added by 87.240.235.46 (talk) 15:16, 25 October 2009 (UTC)
thread_title:  Yes, it is a hoax 

message: I suggest installing a on-board compressor to supply air to all storage tanks. It states that air is supplied by a piston in return that piston forces another piston down to drive the vehicle. It also states that the vehicle's storage tanks have to be filled with compressed air from a service station. So why not, install on-board compressor and it be powered by the same engine that's driving the vehicle. That way the the vehicle would never be service for addition compressed air and the storage tanks would be recharged by the on-board compressor.  —Preceding unsigned comment added by 24.211.103.215 (talk) 19:54, 19 September 2010 (UTC)
replies: text: Because that would violate the laws of physics.  DES (talk) 02:13, 16 December 2010 (UTC)
thread_title:  Use on-board air compressor to supply the storage tanks 

message: The Company History section now includes a paragraph claiming that Tata will start selling MiniCATs in late 2013.  However, with only four months left of 2013, there is no mention of the MiniCAT or of any compressed-air vehicle on Tata's web site other than the 2007 and 2012 press releases mentioned in the preceding paragraph.  The reference for the 2013 claim is to an article on a web site intended to promote industrial and commercial investment in the Côte d'Azur region, and which therefore has a strong bias toward success stories.  The article is very likely based solely on information provided by MDI, who—as this talk page shows—have repeatedly proven to be an unreliable source.  DES (talk) 09:11, 3 September 2013 (UTC)
thread_title:  Tata 

message: A quick search on Google reveals that over the 2008-2012 timeframe Tata had given the impression that minicat would be made and sold in India. MDI may not have said it so Cyril's denial is meaningless, Tata were the source not MDI. It's in books for that matter.Greglocock (talk) 05:29, 16 July 2016 (UTC)
replies: text: The source for that claim was this article which was presumably based on press releases from or interviews with MDI, not Tata (see my comment right above yours on the talk page).  Someone removed the reference without removing the text it was intended to support.  DES (talk) 08:34, 20 July 2016 (UTC)
thread_title:  Tata minicat revisionism 

message: Is there really any point in listing distributors of a non existent product? Greglocock (talk) 04:37, 17 August 2017 (UTC)
replies: text: I'm confident enough the answer is no that I will delete it.  Tjej (talk) 06:36, 24 August 2017 (UTC)
thread_title:  Distributors 

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thread_title:  External links modified (February 2018)