Am I missing something?

[Arnold Layne]

I've have only recently joined the MB crowd, and I really enjoy the look of the antique and board tracker customs. And make no mistake, my hat is off to you, lots of stunning craftmanship. My question is after all of the time and trouble you guys go to in creating these, why don't more of them go the extra 1/16th of a mile and add a hand clutch to emulate the originals? Once again, I am not whinin' cause you won't see me doing this kind of quality work, just curious.

 

[oldtimer54]

Ya thats a nice touch I would love to see more of those for sure.

 

[BarelyAWake]

Hand clutch? If you mean like a tank shift lever, then there's a coupla reasons - one being the moderate difficulty of converting the controls, the more important reason in my opinion would be the potential damage to ...rather sensitive and important body parts in a "sudden stop" situation

 

[bairdco]

i'm also assuming you mean a frame mounted clutch lever of some sort.

here's the reason i wouldn't do it, unless i was building a show bike only...

antique motorcycles had a lot more power for taking off from the line, and race motorcycles usually were push started. they didn't have to deal with the pedal start from every stop.

the obvious difficulties you'd go through with normal starts, stops, slowing down, etc, not to mention panic stops is enough to not do it.

think about how much a bike jerks around sometimes when starting it. now think about controlling that bike with one hand on the bars and another on the lever.

also, a lot of the older motorcycles were belt driven, so the "clutch" was just a lever to engage the belt.

 

[cobrafreak]

Check out the hand clutch lever on my 1911 Indian replica. Its on the left hand side of the tank with the large brass plate.

 

[msrfan]

My homemade bike used to have a hand clutch but took too many hands to engage it, work the choke lever, twist the throttle and the compression release. So I changed to an autoclutch but will use the shift/clutch tank lever to engage a generator for lights in the future. The tank shifters really look cool.

 

[ChopperDave]

My homemade bike used to have a hand clutch but took too many hands to engage it, work the choke lever, twist the throttle and the compression release. So I changed to an autoclutch but will use the shift/clutch tank lever to engage a generator for lights in the future. The tank shifters really look cool.

What really caught my eye wasn't the lever,(though that's cool too) it's the rear chain drive...PLEASE PLEASE...tell me more.

 

[cobrafreak]

Here is a proper picture:

 

[msrfan]

I trimmed the inner pulley rim down and welded a sprocket on so I could have a chain final drive. The centrifugal clutch is a product made by 3rd Millineum Energy for late model Whizzers (1999 and later). They ran out of parts and no longer offer them. I modified it because I suspected the rear belt was slipping because of the 8hp Briggs motor has so much torque.

 

[ChopperDave]

msrfan, cool thanks for the info & pics

 

[msrfan]

Hey cobrafreak, I checked out your build thread a while ago and really like the look of your bike. I may try to build one later with an old motor. It's cool how the chinese motor performs about the same as the original. Thanks for sharing it.

 

[ruppster]

msrfan, What kind of motor is that?

 

[msrfan]

msrfan, What kind of motor is that?

It's an eight hp Briggs and Stratton flathead. Almost didn't fit in the frame. I had to do a lot of trimming.

 

[ruppster]

It looks very boxy in the picture, almost like a rotax. Wouldn't have guess it to be a briggs

 

[hoodoo]

I've have only recently joined the MB crowd, and I really enjoy the look of the antique and board tracker customs. And make no mistake, my hat is off to you, lots of stunning craftmanship. My question is after all of the time and trouble you guys go to in creating these, why don't more of them go the extra 1/16th of a mile and add a hand clutch to emulate the originals? Once again, I am not whinin' cause you won't see me doing this kind of quality work, just curious.

I assume you are talking about that long handle lever that is so cool on one or the other side of the tanks. Although it is a cool addition (I intend to put a non-functional clutch lever on the 9hp Harleyish that is in the planning stages), because it is not functional, I think many of us are more concerned with the basics. I woudl like to add one to my 66cc stretched indian style bike.
What is interesting is that our 1918 indian (real deal) has one and the need for that clutch lever becomes readily apparently when you have to stop. You have the brake on the right, the clutch pedal on the left and guess what happens when you want to stop...you run out of feet real quick. It's not essentional with the sidecar (you don't fall over) but still fun to use and with ours it's easier to get started slowly by using the hand clutch rather than the foot clutch but that is probably due to it being over 80 years old.

 

[msrfan]

A dummy lever would look cool, but why not give it some kind of function. Like let it activate a switch for the lights, ignition, etc? Or maybe use it for the clutch lock out so you don't have to have the one on the bar lever? How about a small linkage from it to the fuel shut off? I know, that's kinda of a stretch, but I'm just trying to point out all the possibilities so it will have a use other than looks. Like I mentioned before, I have my primary belt right under my de-commissioned tank clutch lever, so I'm desinging a bracket to hold a small generator, that usually rides on the tire, to ride on the belt instead. Every time I ride the bike people always ask, "What's that lever for? Shouldn't it be attached to something?". That got me thinking.

 

[hoodoo]

A dummy lever would look cool, but why not give it some kind of function. Like let it activate a switch for the lights, ignition, etc? Or maybe use it for the clutch lock out so you don't have to have the one on the bar lever? How about a small linkage from it to the fuel shut off? I know, that's kinda of a stretch, but I'm just trying to point out all the possibilities so it will have a use other than looks. Like I mentioned before, I have my primary belt right under my de-commissioned tank clutch lever, so I'm desinging a bracket to hold a small generator, that usually rides on the tire, to ride on the belt instead. Every time I ride the bike people always ask, "What's that lever for? Shouldn't it be attached to something?". That got me thinking.

Actually you could use it for the clutch and get rid of the handlebar lever. Wouldn't have a long throw but would work that clutch good and also look quite good. The clutch is sort of stiff on mine.

 

[cobrafreak]

On my Indian i have front and rear brakes on left and right respectively, throttle on the right that is activated by thumb only, and hand clutch on the tank. So when you take off you gas with right thumb and clutch with left hand on tank. When you brake you can grab both brakes and kill the engine in the process, but it is hard on tires, or you have to be quick and put the clutch in neutral then grab brakes. It took a little bit to get used to it but it works well. It would be cool to have two levers, one for gears and one for clutch, but it would be tricky to use. This is all about style, pure and simple. It's just neat to run a machine the way our great grandfathers may have done.

 

[hoodoo]

On my Indian i have front and rear brakes on left and right respectively, throttle on the right that is activated by thumb only, and hand clutch on the tank. So when you take off you gas with right thumb and clutch with left hand on tank. When you brake you can grab both brakes and kill the engine in the process, but it is hard on tires, or you have to be quick and put the clutch in neutral then grab brakes. It took a little bit to get used to it but it works well. It would be cool to have two levers, one for gears and one for clutch, but it would be tricky to use. This is all about style, pure and simple. It's just neat to run a machine the way our great grandfathers may have done.

You are absolutely right, when you make the it similar to what ggrandpop's had it really heightens the experience.
When I first drove a model T I was completely flustered with the hand brake/clutch, spark advance lever, throttle lever, forward two speed pedal,
foot brake pedal , and reverse pedal ....but after a few times the controls made sense and felt natural. Just like riding a bicycle, you start out all shaky and nervous and suddenly you are one. The old designs might appear intimidating as there were no automatic functions but in some ways you bond more with the vehicle and the controls become second nature.....right now I am trying to get used to the bowden cable control system on a 1921 Triumph, lets see, six different levers not including the clutch....and you have to hand pump the oil into the engine...no mechanical oiler. What is the old saying about the Brits?...They use five parts to do what Americans do with three...