H-D Production IoE V-twins 1909-1929

[T. Cotten]

Interesting thread until it was hijacked by the self-promoting-carb-dude

Here's my self-promotion, silentgreyfellow:
http://www.antiquemotorcycle.org/bbo...y+announcement

If I needed to self-promote, I certainly wouldn't be turning away new accounts.

And you are not an established account, are you?

....Cotten
PS: Did I ask too many questions, Folks?
Thanks to those who replied courteously. Its about old motorcycles, not ragging egos.

[silentgreyfello]

Interesting thread until it was hijacked by the self-promoting-carb-dude

[T. Cotten]

Tom, one gets what one pays for. You give your customers quality workmanship.

Not for that much longer, Steve!

Retirement age has come and gone, with next to nothing in my Social Security account.

I need to work out an exit strategy soon.

....Cotten
PS: Ebay my "empire"?
(Apologies to Fred Sanford.)

Doh! I can't take another 'learning curve'.

[Steve Swan]

Tom, one gets what one pays for. You give your customers quality workmanship.

[T. Cotten]

Eric!

I have been cutting them from hard brass, but it just isn't right.

And Steve!
His complaint is that I am so slow. Painfully slow. And I can't argue that point.

I ain't cheap by any standards, but pennies an hour is about what I show for my effort:
"R&D" doesn't pay anything; it costs.

....Cotten

[Steve Swan]

Tom, unless the "whip-cracker" has the parts, tools and equipment (not to mention expertise) i'd suggest he not complain about price. Your workmanship is worth every penny of your time and effort.

[exeric]

There used to be a Beryllium copper specialist company just north of Sarasota. It is now an empty lot, and EPA health hazard. Beryllium copper is difficult to find in small quantities and is very useful, but also quite toxic when you machine it, or make any dust of it. Like you said, Tom; that spring cam is what is always in dire need of replacement on a H model Schebler.

[T. Cotten]

Poor Dewey always accused of my posts.No I did not post Bruce's bike,easily googled,probably a video showing him start & run it.Including showing the timing changing as he revves it up.

Apologies again to Dewey!

And Duffey, I'd google Linsday's if I had the data plan, but honestly, I can't grasp anything unless it is in my hands.

(And trust me Folks!
Not only am I booked solid out of sight, but I don't need anything more exotic crossing my benches than what already does, like the 3/4" H (attached) that I just finished for a whip-cracking associate.
Got no idea what its for.. but its perfect inside, now.)

Had to custom-cut nearly everything, even the throttleshaft and riveted lift lever roller, hope it doesn't look too new (nothing on ebay is going to fit, and too 'obvious' anyway.) Straightened the bent airvalve horn too.
Now for the 'awkward moment' when he sees the tally: Shouldn't have cracked the whip if it was going to come back at him.

....Cotten
PS: If I hadn't conserved the finishes, instead of letting a plater molest them forever, I would have been whipped for real.... and deserved it.
PPS: Beryllium spring plate for the throttle cams doesn't seem to be available in proper thickness, and cost prohibitive for the rest. If anyone has access to 'scrap', I have pounds of PEEK to trade that I was selling at D-port at a bargain $.25 a gram.

[duffeycycles]

Poor Dewey always accused of my posts.No I did not post Bruce's bike,easily googled,probably a video showing him start & run it.Including showing the timing changing as he revves it up.

[T. Cotten]

I had read of such things, Duffey!

Its amazing how farther advanced Schebler was in '02.

Did you post a pic of Linsday's '05?

....Cotten
PS: Sorry Dewey!
Every one of my posts needs a PS anyway...

[duffeycycles]

Early carbs were a wick type carb[like,tomato can]there was a reservoir to hold fuel with a wick that was in the fuel & went up to the intake tube.As air passed the wick it picked up fuel for the mixture.Speed was controlled by the timing advance/retard,not a throttle plate....look at Bruce Lindsay's '05 HD

[Steve Swan]

referring to Hatfield's "Inside Harley-Davidson," the 1906 single had a bore & stroke of 3-1/8" x 3-1/2" for a displacement of 26.8 ci or439.9 cc, so according to the January 1908 "The Motorcycle Illustrated" article, the twin motor was "a single doubled up." so, that means the displacement of the double would be 53.6 ci or 879 cc. the Article also mentions "a greatly strengthened spring fork of the Sagher type." The picture of the double, the fork appears one piece; unsprung.....?

does anyone have a RH view of the '08 double ?

[exeric]

My '11 Merkel twin has atmospheric intake valves; and you're correct, Tom, they have a conical spring return, but no adjustment for spring pressure, or dwell. That was all calculated by the engineers of the day.

[T. Cotten]

I suspect, Steve,..

They had a mechanical means to close the valve: a spring.

Just like the airvalve on a Schebler H.

....Cotten
PS: But those were adjustable!
Any knobs on atmospheric motor intake valves? Shoulda been...

[Rubone]

and, back to Robbie's comment on atmospheric intake valves, this design had no direct mechanical actuation...... ?

Correct Steve, they operated by the negative pressure created in the downstroke sucking them open. As simple as it gets.