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Re: Add On Box - Augusto Unit - Varitronic System
Posted: Wed Jan 28, 2009 11:31 pm
by drunkmunkey6969
As far as i understand it....you can set the end timing to whatever you would normally run...16, 17, 18 etc....by adjusting the opening setting....23, 24, 25 etc.
Whatever it starts at....24 degrees for example...the name of the unit (6000, 7000, 8000) denotes at what point the engine is finally running at its original/final timing level....16,17,18 etc.
So start at 1000rpm @ 24 degrees for example....and reduce to 16 degrees at a linear rate by either 6000, 7000, or 8000 rpm....depending which unit you fitted, and then remains at the final level of degrees for the remainder of your rev range.
I also belive that in the event of unit/box failure...your engine either stops running, or reverts to static/final timing (cant remember which) in order to prevent engine failure due to a failed unit.
Re: Add On Box - Augusto Unit - Varitronic System
Posted: Wed Jan 28, 2009 11:45 pm
by Wayne Miller
drunkmunkey6969 wrote:I also belive that in the event of unit/box failure...your engine either stops running, or reverts to static/final timing (cant remember which) in order to prevent engine failure due to a failed unit.
Aaah I remember the answer to this one. It stops running. But then you can disconnect one of the wires and it reverts to static timing...................I just cant remember which wire

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 12:02 am
by byron
drunkmunkey6969 wrote:As far as i understand it....you can set the end timing to whatever you would normally run...16, 17, 18 etc....by adjusting the opening setting....23, 24, 25 etc..
gotcha. so in my diagram the vertical difference between A & B is always the same; B will move further to the right depending upon which model is used.
so this means I can retain my [fairly retarded] existing timing at high revs by initially setting the unit closer to TDC. In Bufficus' example above, setting mine at 23º BTDC will give me back the 17º BTDC I currently run.
good. i'm on to it.
page 5 !

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 12:06 am
by byron
Wayne Miller wrote:drunkmunkey6969 wrote:I also belive that in the event of unit/box failure...your engine either stops running, or reverts to static/final timing (cant remember which) in order to prevent engine failure due to a failed unit.
Aaah I remember the answer to this one. It stops running. But then you can disconnect one of the wires and it reverts to static timing...................I just cant remember which wire

I guess you disconnect the Agusto unit from the CDI and put the [red?] wire that you took off the CDI back on to the CDI.
Of course then your timing would be set at 24º BTDC, or whatever the inital setting was, so either ride with that in mind, or move your stator back round to give a safer, more retarded setting.
right, I think I understand enough to buy one and try it out now

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 12:07 am
by coaster
Wayne Miller wrote:drunkmunkey6969 wrote:I also belive that in the event of unit/box failure...your engine either stops running, or reverts to static/final timing (cant remember which) in order to prevent engine failure due to a failed unit.
Aaah I remember the answer to this one. It stops running. But then you can disconnect one of the wires and it reverts to static timing...................I just cant remember which wire

Following al this with interest

But surely, if the unit fails and you remove a wire to disable the advance retard then you will be stuck with whatever you set the static timing to i.e. 23/24/25 degrees, wouldn't fancy going far on that much advance

Youd need to move the stator back too surely

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 12:11 am
by byron
great minds.... Colin

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 12:37 am
by Wayne Miller
coaster wrote:Wayne Miller wrote:drunkmunkey6969 wrote:I also belive that in the event of unit/box failure...your engine either stops running, or reverts to static/final timing (cant remember which) in order to prevent engine failure due to a failed unit.
Aaah I remember the answer to this one. It stops running. But then you can disconnect one of the wires and it reverts to static timing...................I just cant remember which wire

Following al this with interest

But surely, if the unit fails and you remove a wire to disable the advance retard then you will be stuck with whatever you set the static timing to i.e. 23/24/25 degrees, wouldn't fancy going far on that much advance

Youd need to move the stator back too surely

Yes, exactly. But if you aint got any kit with you it is possible to limp home or to somewhere suitable to leave your scoot. PS Its not meant to fail

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 12:41 am
by coaster
Wayne Miller wrote:Yes, exactly. But if you aint got any kit with you it is possible to limp home or to somewhere suitable to leave your scoot. PS Its not meant to fail

Thats it, think positive

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 9:05 am
by soulsurfer
Ah, but what if you're hacking it at 80mph and it fails? I know it's not supposed to but it's something else to worry about at high (relatively speaking) speeds, I wouldn't fancy it with timing at 24deg, or am I overreacting

Re: Add On Box - Augusto Unit - Varitronic System
Posted: Thu Jan 29, 2009 9:53 am
by byron
soulsurfer wrote:Ah, but what if you're hacking it at 80mph and it fails? I know it's not supposed to but it's something else to worry about at high (relatively speaking) speeds, I wouldn't fancy it with timing at 24deg, or am I overreacting

if it fails, [I'd guess] there'd be no sparks, so only as equally a pain as any other electrical failure at that speed. I don't think the timing would suddenly advance 6º ! that would be scary for the engine, and possibly the rider.
