sean_q <(E-Mail Removed)> gurgled happily, sounding much like they were
saying:

> I've always liked single-banger motors. Like the BSA Victor 441.
>
> Would it be possible to modify a boxer motor like the BMW airhead such
> that the 2 cylinders' power strokes were simultaneous instead of
> alternating?

You'd need a new cam, and you'd need to figure the fuel & sparks. But at
least the crank's doing what you want it to...

(Or you could just remove one plug lead)

On 19 Apr 2011 06:17:18 GMT, Adrian <(E-Mail Removed)> wrote:

>sean_q <(E-Mail Removed)> gurgled happily, sounding much like they were
>saying:
>
>> I've always liked single-banger motors. Like the BSA Victor 441.
>>
>> Would it be possible to modify a boxer motor like the BMW airhead such
>> that the 2 cylinders' power strokes were simultaneous instead of
>> alternating?
>
>You'd need a new cam, and you'd need to figure the fuel & sparks.

Fuel wouldn't be an issue - the cam just opens the valve and the fuel
is there.

>(Or you could just remove one plug lead)

And the plug. Why not go ght whole hog and chop the cylinder off too?

Ace <(E-Mail Removed)> gurgled happily, sounding much like they were
saying:

>>> I've always liked single-banger motors. Like the BSA Victor 441.
>>>
>>> Would it be possible to modify a boxer motor like the BMW airhead such
>>> that the 2 cylinders' power strokes were simultaneous instead of
>>> alternating?

>>You'd need a new cam, and you'd need to figure the fuel & sparks.

> Fuel wouldn't be an issue - the cam just opens the valve and the fuel is
> there.

You're assuming a carb'd boxer.

>>(Or you could just remove one plug lead)

> And the plug. Why not go ght whole hog and chop the cylinder off too?

Why not indeed?

On 19 Apr 2011 06:46:26 GMT, Adrian <(E-Mail Removed)> wrote:

>Ace <(E-Mail Removed)> gurgled happily, sounding much like they were
>saying:
>
>>>> I've always liked single-banger motors. Like the BSA Victor 441.
>>>>
>>>> Would it be possible to modify a boxer motor like the BMW airhead such
>>>> that the 2 cylinders' power strokes were simultaneous instead of
>>>> alternating?
>
>>>You'd need a new cam, and you'd need to figure the fuel & sparks.
>
>> Fuel wouldn't be an issue - the cam just opens the valve and the fuel is
>> there.
>
>You're assuming a carb'd boxer.

Aye, I extrapolated that from 'airhead'.

But I know nothing of them, so flip wibble.

I've always liked single-banger motors. Like the BSA Victor 441.

Would it be possible to modify a boxer motor like the BMW airhead
such that the 2 cylinders' power strokes were simultaneous
instead of alternating?

In effect it would be equivalent to a thumper
but better balanced for less vibes.

SQ

Ace <(E-Mail Removed)> gurgled happily, sounding much like they were
saying:

>>>>> I've always liked single-banger motors. Like the BSA Victor 441.
>>>>>
>>>>> Would it be possible to modify a boxer motor like the BMW airhead
>>>>> such that the 2 cylinders' power strokes were simultaneous instead
>>>>> of alternating?

>>>>You'd need a new cam, and you'd need to figure the fuel & sparks.

>>> Fuel wouldn't be an issue - the cam just opens the valve and the fuel
>>> is there.

>>You're assuming a carb'd boxer.

> Aye, I extrapolated that from 'airhead'.

I was going with the generality rather than the specific example.

sean_q <(E-Mail Removed)> wrote:
> I've always liked single-banger motors. Like the BSA Victor 441.
>
> Would it be possible to modify a boxer motor like the BMW airhead
> such that the 2 cylinders' power strokes were simultaneous
> instead of alternating?
>
> In effect it would be equivalent to a thumper
> but better balanced for less vibes.

The Velocette Viceroy did that.
Basically an LE engine modified to make a 2 stroke scooter engine.
Only 798 were ever built so they are now rather rare.
Another 47 engines were sold to DMW to fit in the even rarer Deemster
and around 250 were built for use in a schools hovercraft project.

--
00 CBR600F
78 Honda 400/4 in black
98 Yamaha YP250 Majesty

On Apr 19, 10:01*am, Jordan <ko...@koora.net> wrote:
> On 4/19/2011 4:26 PM, Ace wrote:
> * Why not go ght whole hog and chop the cylinder off too?
>
>
>
> It's reportedly been done, in Tasmania. A crash wrote off one side of
> the engine, but the owner contrived to keep it going as a single.

BMW did it themselves, with the R25/26 series. Basically a boxer
engine with one pot lopped off, and turned through 90 degrees so the
remaining pot stood vertical.

On Tue, 19 Apr 2011 02:05:47 -0700 (PDT), "TOG@Toil"
<(E-Mail Removed)> wrote:

>On Apr 19, 10:01*am, Jordan <ko...@koora.net> wrote:
>> On 4/19/2011 4:26 PM, Ace wrote:
>> * Why not go ght whole hog and chop the cylinder off too?
>>
>>
>>
>> It's reportedly been done, in Tasmania. A crash wrote off one side of
>> the engine, but the owner contrived to keep it going as a single.
>
>BMW did it themselves, with the R25/26 series. Basically a boxer
>engine with one pot lopped off, and turned through 90 degrees so the
>remaining pot stood vertical.

Well _I_ knew that (although not the model number) - I was assuming
the other posters would too, so it was supposed to be a little
tongue-in-cheek.

"TOG@Toil" <(E-Mail Removed)> gurgled happily, sounding much
like they were saying:

>>> Â* Why not go ght whole hog and chop the cylinder off too?

>> It's reportedly been done, in Tasmania. A crash wrote off one side of
>> the engine, but the owner contrived to keep it going as a single.

> BMW did it themselves, with the R25/26 series. Basically a boxer engine
> with one pot lopped off, and turned through 90 degrees so the remaining
> pot stood vertical.

<has vision of triple>