potato-potato

snarl@trippin.com wrote:
> On Sat, 01 Dec 2007 08:43:15 GMT, "kgdb" <chopper@chopper.com> wrote:
>
>
>>"Bob Mann" <Bobo@nowhere.com> wrote in message
>>news:ehk1l3pt66ba95r199lh03kcmsbnrb6np7@4ax.com. ..
>>
>>>On Fri, 30 Nov 2007 08:18:43 -0800 (PST), Edward
>>><edward_mcmasters@yahoo.com> wrote:
>>>
>>>
>>>>This round's on me Shirley.
>>>>
>>>>Just curious about the sound my '07 dyna with stock pipes makes. It
>>>>does not seem to make that "potato-potato" sound I am normally used to
>>>>hearing (and was very evident on an '05 dyna that I test road).
>>>>
>>>>Is this because of the stock pipes or is this due to the twin cam
>>>>engine?
>>>>
>>>>Edward
>>>>'07 FXDL
>>>
>>>I haven't heard a real potato, potato sound since the shovelhead.

Then you never heard a twin cam when it over-heated, when the circuitry
told it to slow down. (it's normal!)

Mine became "The big spud putterer" when I drove into NY with Len a few
years ago(summer), when we were both stuck on a damned bridge for what
seemed like forever.


>>>These days it take a pretty tall cam and some free flowing carb and
>>>pipes to get close.
>>
>>Bingo! Shovels, pans were the spud machines. Back in the day the ticket was
>>to see just how slow you could get it to idle.
>
>
> Shovels n' Pans, Pattoooey! My Knuck is where that original sound
> came from... th' rest are alla buncha piss poor imitations.

"The pat-ta-lope" is what comes from the S L O W idle speed, you ding bats.
The new bikes have a higher idle speed.

That's all there is to it.

> I think that lopey sound was part of the charm and also part of the
> problem those bikes had (have).
> The closer you get to that sound, the rougher it runs and the more it
> shakes.
> But, they do sound sweet.
>

I was amazed how slowly TNFH got the idle on his knucklehead and SNIFF
the year before last. It sat there with a wiggly, wobbly slow putter
that could not have been over 500 RPM. It was pretty cool.

BigPiper

On Sat, 01 Dec 2007 15:36:51 -0800, BigPiper <jb@mcneel.com> wrote:

>
>> I think that lopey sound was part of the charm and also part of the
>> problem those bikes had (have).
>> The closer you get to that sound, the rougher it runs and the more it
>> shakes.
>> But, they do sound sweet.
>>
>
>I was amazed how slowly TNFH got the idle on his knucklehead and SNIFF
>the year before last. It sat there with a wiggly, wobbly slow putter
>that could not have been over 500 RPM. It was pretty cool.
>
But do you know why they go Potato Potato?

Because of the common crank pin and the V arrangement of the
cylinders. The pistons do not fire 360 degrees apart. The first one
fires at 315 degrees and the second fires at 405 degrees.


Ironhorse, AH#130, HSB#96, SENS BS#187
2001 Ultraclassic with Sidecar
96 Custom bucket of bolts (gone but not forgotten)

Republicans think every day is 4th of July
Democrats think every day is April 15th
Ronald Reagan

"Robert Mercurio" <Galatic@Bass.gov.> wrote in message
news:GNl4j.921$Fv.546@newsfe09.lga
> snarl@trippin.com wrote:
>> On Sat, 01 Dec 2007 08:43:15 GMT, "kgdb" <chopper@chopper.com> wrote:
>>
>>
>>> "Bob Mann" <Bobo@nowhere.com> wrote in message
>>> news:ehk1l3pt66ba95r199lh03kcmsbnrb6np7@4ax.com...
>>>
>>>> On Fri, 30 Nov 2007 08:18:43 -0800 (PST), Edward
>>>> <edward_mcmasters@yahoo.com> wrote:
>>>>
>>>>
>>>>> This round's on me Shirley.
>>>>>
>>>>> Just curious about the sound my '07 dyna with stock pipes makes. It
>>>>> does not seem to make that "potato-potato" sound I am normally
>>>>> used to hearing (and was very evident on an '05 dyna that I test
>>>>> road). Is this because of the stock pipes or is this due to the twin
>>>>> cam
>>>>> engine?
>>>>>
>>>>> Edward
>>>>> '07 FXDL
>>>>
>>>> I haven't heard a real potato, potato sound since the shovelhead.
>
> Then you never heard a twin cam when it over-heated, when the
> circuitry told it to slow down. (it's normal!)
>
> Mine became "The big spud putterer" when I drove into NY with Len a
> few years ago(summer), when we were both stuck on a damned bridge for
> what seemed like forever.
>
>
>>>> These days it take a pretty tall cam and some free flowing carb and
>>>> pipes to get close.
>>>
>>> Bingo! Shovels, pans were the spud machines. Back in the day the
>>> ticket was to see just how slow you could get it to idle.
>>
>>
>> Shovels n' Pans, Pattoooey! My Knuck is where that original sound
>> came from... th' rest are alla buncha piss poor imitations.
>
> "The pat-ta-lope" is what comes from the S L O W idle speed, you
> ding bats. The new bikes have a higher idle speed.
>
> That's all there is to it.

Yeah, from the need to maintain decent oil pressure at idle, I think.
I wonder if using a better oil pump and higher bypass spring would allow for
lower idle speeds?

---
"Wakko" NTXNS TOMKAT SENS PHS BS#257
'06 FLHTCUSE "Ultra Chicken" '03 FLSTSI "BlingBling"

Ironhorse wrote:
snip
>>> But, they do sound sweet.
snip
> But do you know why they go Potato Potato?
>
> Because of the common crank pin and the V arrangement of the
> cylinders. The pistons do not fire 360 degrees apart. The first one
> fires at 315 degrees and the second fires at 405 degrees.
>
>

Ironhorse,
I heard that several years ago when the metric V-Twins first came out, one
of them had the electronic ignition progeammed so it would cause an
intermittant miss at idle. They were trying to emulate the sound of a
Harley-Davidson. Also heard Harley sued, as the sound is copyrighted, and
won. About half the guys at work ride metric V-Twins and you can always tell
the difference between them and a Harley by the sound. The metrics sound
like a popcorn popper and like they don't have a soul. :-)
Dave

"davidj92" <davidj92REMOVE@wowway.com> wrote in message
news:zuGdnSVZqoUqxsnanZ2dnUVZ_r2nnZ2d@wideopenwest .com...

> Also heard Harley sued, as the sound is copyrighted, and won.

(snipped)

To the best of my knowledge Harley dropped the law suit. I know they didn't
win it.



--
Ride Safe!
Greasy Rider

http://tinyurl.com/2h98ax

On Mon, 3 Dec 2007 13:40:41 -0600, "davidj92"
<davidj92REMOVE@wowway.com> wrote:


> Ironhorse,
>I heard that several years ago when the metric V-Twins first came out, one
>of them had the electronic ignition progeammed so it would cause an
>intermittant miss at idle. They were trying to emulate the sound of a
>Harley-Davidson. Also heard Harley sued, as the sound is copyrighted, and
>won. About half the guys at work ride metric V-Twins and you can always tell
>the difference between them and a Harley by the sound. The metrics sound
>like a popcorn popper and like they don't have a soul. :-)

I seem to recall that a court ruled that HD could not patent,
copywrite whatever a sound and the MoCo lost or dropped it


Ironhorse, AH#130, HSB#96, SENS BS#187
2001 Ultraclassic with Sidecar
96 Custom bucket of bolts (gone but not forgotten)

Republicans think every day is 4th of July
Democrats think every day is April 15th
Ronald Reagan

On Dec 1, 3:36 pm, BigPiper <j...@mcneel.com> wrote:
> > I think that lopey sound was part of the charm and also part of the
> > problem those bikes had (have).
> > The closer you get to that sound, the rougher it runs and the more it
> > shakes.
> > But, they do sound sweet.
>
> I was amazed how slowly TNFH got the idle on his knucklehead and SNIFF
> the year before last. It sat there with a wiggly, wobbly slow putter
> that could not have been over 500 RPM. It was pretty cool.
>
> BigPiper

I've gotten my Guzzi Cal down to about 750 rpms at idle, and with
straight through fishtails, I do believe it "potato's" better than my
'06
H-D does. Not the same sound, but similar. Definitely not a typical
metric sound though. Very distinctive. If you saw Dirty Harry's Magnum
Force, you'd have heard the big Guzzi El Dorados "potato'ing" through
the pier shed on SF's waterfront. SFPD used to use them. (But the
actual bike that went off the pier into the bay was a Triumph, for
some reason. Maybe they didn't want wreck a perfectly good classic El
Dorado).

Ironhorse wrote:
> On Mon, 3 Dec 2007 13:40:41 -0600, "davidj92"
> <davidj92REMOVE@wowway.com> wrote:
>
>
>> Ironhorse,
>> I heard that several years ago when the metric V-Twins first came
>> out, one of them had the electronic ignition progeammed so it would
>> cause an intermittant miss at idle. They were trying to emulate the
>> sound of a Harley-Davidson. Also heard Harley sued, as the sound is
>> copyrighted, and won. About half the guys at work ride metric
>> V-Twins and you can always tell the difference between them and a
>> Harley by the sound. The metrics sound like a popcorn popper and
>> like they don't have a soul. :-)
>
> I seem to recall that a court ruled that HD could not patent,
> copywrite whatever a sound and the MoCo lost or dropped it

This myth keeps growing. I heard that the only reason HD sued is
because a metric brand was using HD sounds in their metric
commercials. Not trying to patent the sound, just trying to keep
others from capitalizing on it.

I may be wrong. It's happened.

roach

[mnop897]

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