e-charger on a 617-95X?
e-charger on a 617-95X?
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I get a bit of smoke at any engine rpm, and I need (lol) more air/power at the low end of the engine's rpm range. Why would this not help if it turns on at 0 boost/low rpm and off at 5 psi and also has a totally off switch option?
2005 CDI heavily modified 1984 300TD - Myna pump/TMIC/enlarged PC's/HX30Super/W126 II front brakes/Vogtland springs/EGT +Boost gauges/H4 Hella's
e-charger?
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I get a bit of smoke at any engine rpm, and I need (lol) more air/power at the low end of the engine's rpm range. Why would this not help if it turns on at 0 boost/low rpm and off at 5 psi and also has a totally off switch option?
2005 CDI heavily modified 1984 300TD - Myna pump/TMIC/enlarged PC's/HX30Super/W126 II front brakes/Vogtland springs/EGT +Boost gauges/H4 Hella's
Their site also has an error, they claim it takes power from the battery and the alternator recharges it. What really happens is it takes power directly from the alternator, which is what occurs with all electrical loads when the engine is running.
bgkast is right, look at it:
![[Image: eRAM_SEMA_05_Product_photo.jpg]](http://www.havatune.co.uk/img/eRAM_SEMA_05_Product_photo.jpg)
That will be a big restriction when it isn't running.
ForcedInduction
03-07-2008, 05:16 AM
#3
They claim 1psi net boost. For $330, thats a terrible deal. Or, for $600, you can get 1.7psi of boost.
Their site also has an error, they claim it takes power from the battery and the alternator recharges it. What really happens is it takes power directly from the alternator, which is what occurs with all electrical loads when the engine is running.
bgkast is right, look at it:
That will be a big restriction when it isn't running.
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![[Image: 0406tur_knight02_z.jpg]](http://images.turbomagazine.com/tech/0406tur_knight02_z.jpg)
This seems to be the only one of those "electric superchargers" that has any chance of actually working...but you need to carry around a load of extra batteries in the trunk.
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ForcedInduction They claim 1psi net boost. For $330, thats a terrible deal. Or, for $600, you can get 1.7psi of boost.Flamesuit on If the thing can go from 0 to 25K rpm in a tenth of a second, I would think that the resistance to air flow would be little when it is off. Here is what they say:
Their site also has an error, they claim it takes power from the battery and the alternator recharges it. What really happens is it takes power directly from the alternator, which is what occurs with all electrical loads when the engine is running.
That will be a big restriction when it isn't running.
11. Does the e-Ram cause restriction when it is not on?
Answer: No. Since the e-RAM is over 3.8 inches inside diameter, even with the motor in the center, and its axial blade design, the e-RAM flows the equivalent to a 3.1 inch diameter free-flow intake tube. Also at part-throttle conditions, this not a factor because the flow rates under part throttle condition are much lower as well.
We have dyno'ed the e-RAM when mounted but NOT ENERGIZED at full throttle and measured no losses (see dyno results page for this dyno example).
Now of course they are biased. Part of the reason for this thread is that someone else in the future will ask about this and it's better to head off the discussion...
2005 CDI heavily modified 1984 300TD - Myna pump/TMIC/enlarged PC's/HX30Super/W126 II front brakes/Vogtland springs/EGT +Boost gauges/H4 Hella's
ForcedInduction They claim 1psi net boost. For $330, thats a terrible deal. Or, for $600, you can get 1.7psi of boost.Flamesuit on If the thing can go from 0 to 25K rpm in a tenth of a second, I would think that the resistance to air flow would be little when it is off. Here is what they say:
Their site also has an error, they claim it takes power from the battery and the alternator recharges it. What really happens is it takes power directly from the alternator, which is what occurs with all electrical loads when the engine is running.
That will be a big restriction when it isn't running.
11. Does the e-Ram cause restriction when it is not on?
Answer: No. Since the e-RAM is over 3.8 inches inside diameter, even with the motor in the center, and its axial blade design, the e-RAM flows the equivalent to a 3.1 inch diameter free-flow intake tube. Also at part-throttle conditions, this not a factor because the flow rates under part throttle condition are much lower as well.
We have dyno'ed the e-RAM when mounted but NOT ENERGIZED at full throttle and measured no losses (see dyno results page for this dyno example).
Now of course they are biased. Part of the reason for this thread is that someone else in the future will ask about this and it's better to head off the discussion...
2005 CDI heavily modified 1984 300TD - Myna pump/TMIC/enlarged PC's/HX30Super/W126 II front brakes/Vogtland springs/EGT +Boost gauges/H4 Hella's
Since we are heading off the discussion....
EVERY SINGLE "electric supercharger" on eBay is a scam. They are all bilge blowers and HVAC squirrel cage fans. They have and impressive looking CFM flow rate but are incapable of making any measurable pressure.
ForcedInduction
03-08-2008, 05:35 PM
#6
For the $300/600 entrance fee, IMHO, I believe it would be better invested in a VNT turbo. The e-ram is a lame duck in comparison as my turbo will make several psi right off idle.
Since we are heading off the discussion....
EVERY SINGLE "electric supercharger" on eBay is a scam. They are all bilge blowers and HVAC squirrel cage fans. They have and impressive looking CFM flow rate but are incapable of making any measurable pressure.
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