Silly Ipad's auto-spell-check :-(
Should have read:
"which destroys so many of the *experimental* reduction drives."
Cheers,
Pete
On Sun, Jan 29, 2012 at 9:17 PM, Pete <peterz@zutrasoft.com> wrote:
> Looks like a nice concept and execution. I like their implementation of
> the reduction drive's centrifugal clutch which engages at around 1800 rpm
-
> likely avoiding the low rpm resonance peak which destroys so many of the
> exponential reduction drives. Their manual is also quite detailed about t
he
> operating constraints for the turbo etc.
>
> It was my understanding from my EAA colleges that when the prop/engine
> combination goes into resonance (typically at low rpms) the power
> dissipated in the gearbox or any type of dissipating coupling (like the
> rubber one in the Viking) goes up exponentially. Wrt the Viking, i found
> Jan's dismissal of this typical characteristic a bit disconcerting.
>
> Last year at osh, there was a high horsepower reduction unit on display
> which also had a clutch. an elegant solution IMHO: simply avoid the
> resonance instead of attempting to deal with it.
>
> I wonder what the Europa installed weight was for smart installation?
>
> Cheers,
> Pete
> a239
>
> On Jan 29, 2012, at 6:58 PM, "uvtreith" <uvtreith@t-online.de> wrote:
>
> ** ** ** **
>
> Hi Europa Family,****
>
> ** **
>
> I have installed the smart engine in my Monowheel XS.****
>
> This engine is made by Mercedes-Brabus with Turbo. ****
>
> The engine is electronically controlled by the so called smart-MIP System
.
> ****
>
> More Info you will find - also in English - under: www.ecofly.de and
> www.schicke-electronic.de ****
>
> I paid complete with engine frame, all accessories (but used a water
> cooler from a ****Kawasaki**** 1200 and they changed the operating panel
> according to my drawing) and the smart-MIP system around 11.000 EUR.****
>
> When the engine is finished after about 2.000 operating hours, you just
> get a new smart/Mercedes engine for about 4.500 EUR (Ecofly will do the
> change for you-if you like).****
>
> ** **
>
> Today we made some ground tests by -4=B0C and a static thrust test by ***
*Warp
> Drive**** setting on 14=B0 (best cruise). The max. engine rpm was 4.500,
> but the engine can do as maximum 5.800 rpm.****
>
> The static thrust test was measured by a digital spring scale and was
> showing 145 kp, so now we will change the blade setting to 12=B0. Our aim
is
> to get 180-200 kp.****
>
> ** **
>
> More info later, if you like.****
>
> Best Regards,****
>
> ** **
>
> Bruno Reith****
>
> ** **
>
> ** **
>
> ** **
>
> -----Urspr=FCngliche Nachricht-----
> Von: owner-europa-list-server@matronics.com [mailto:
> owner-europa-list-server@matronics.com] Im Auftrag von Kevin Kedward
> Gesendet: Freitag, 27. Januar 2012 21:11
> An: Europa-List@matronics.com
> Betreff: Europa-List: Smart
>
> ** **
>
*
> *
>
> ** **
>
> Hi Guys, What happened to the Smart car engine installation ?****
>
> Regards ****
>
> Kevin ****
>
> ** **
>
> Sent from my iPhone****
>
> ** **
>
> ** **
>
> ** **
> ********
>
> <D-EUVT ground tests.JPG>
>
>
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