What did you do in your garage today..? | Page 72 | GTAMotorcycle.com

What did you do in your garage today..?

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Just adding this to the library:

desmovalves_gif_ducati.gif
 
GreyGhost said:
That's why I went with "normally". There are some weirdos out there. I suspect there is also normal overhead cam with rockers but can't point to a specific example.
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My old sohc is one example.
 
sburns said:
I dunno, don't other bikes have a different type of valve systems. Plus everyone dumps on HD for still having pushrods
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Nothing wrong with pushrods IMHO. They don't work for all engines, but for low revving high torque engines like many motorcycle v-twins, they can add reliability while reducing engine weight, height, complexity, and maintanence.
 
timtune said:
What is it that has hollow valves like that?
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No idea which that cutaway is specifically. Sodium filled exhaust valves have been around for decades. Porsche uses them. Lots of others too. I have no idea about the hollow intake valve.
 
GreyGhost said:
That's why I went with "normally". There are some weirdos out there. I suspect there is also normal overhead cam with rockers but can't point to a specific example.
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Many bikes used ohc and rockers. I have a few in the garage... Honda Goldwing, Suzuki SP, Yamaha XV920R... and my Honda gennie.
 
15 month and 3 month old powder coat on my Jeep bumpers failed. Started rusting underneath the powder coat mainly where it got stone chips. Had the local body shop sandblast, prime, and spray LineX premium on them. A little annoyed that I had to pay $550 to LineX over the powder coat I had paid $450 for, but what can you do.

Just got the rear bumper installed today - the front will have to wait until next weekend. Looks really good

FnmLlzL.jpg
 
Some F1 teams played with pneumatic valves.
Ford is trying to make electric solenoid valves.
No push rods OR overhead cams... NO CAMS.

Did ya know the first time Desmo appeared on a bike was around 1924... on a Norton? James Norton patented "desmo" in 1922.
 
bitzz said:
Some F1 teams played with pneumatic valves.
Ford is trying to make electric solenoid valves.
No push rods OR overhead cams... NO CAMS.

Did ya know the first time Desmo appeared on a bike was around 1924... on a Norton? James Norton patented "desmo" in 1922.
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Koenigsegg has freevalve camless engine in production. Bloody genius that guy is. I don't expect to see similar technology in anything I could ever afford as electric powertrain will take over before it trickles down.
 
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GreyGhost said:
I suspect there is also normal overhead cam with rockers but can't point to a specific example.
Click to expand...

The old air/oil cooled Suzuki 600s and 750s had twin cams operating four valves per cylinder via rockers. Adjustment was so simple.

The latest Honda 500cc parallel twins use rockers and are DOHC. The new watercooled Triumph twins have a single overhead cam, four valves per cylinder, and rockers. No doubt there are many more examples.

The wackiest set up is probably the Africa Twin: single cam, shims on the intake side, rockers on the exhaust.

Screenshot-20220525-144739.png
 
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Jayell said:
The old air/oil cooled Suzuki 600s and 750s had twin cams operating four valves per cylinder via rockers. Adjustment was so simple.

The latest Honda 500cc parallel twins use rockers and are DOHC. The new watercooled Triumph twins have a single overhead cam, four valves per cylinder, and rockers. No doubt there are many more examples.

The wackiest set up is probably the Africa Twin: single cam, shims on the intake side, rockers on the exhaust.

Screenshot-20220525-144739.png
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That's my old SOHC set up except w/o the rollers. That and you get to adjust them thru a hole no bigger than a loonie.
 
I'm adapting a map pouch from a tank bag to map pouch only. No tank bag. I've attached four plastic quick release buckles to use with existing tank bag straps. All it needs now is some foam on the back side to protect the tank from scratches.

The pouch is made of nylon, the same stuff used on various tank bags and other motorbike luggage. How best to attach the foam? Similar to carpet underpad, fairly dense. I want to use glue, but what's the best kind for this purpose? Any experts out there?

Thanks.
 
Jayell said:
The pouch is made of nylon, the same stuff used on various tank bags and other motorbike luggage. How best to attach the foam? Similar to carpet underpad, fairly dense. I want to use glue, but what's the best kind for this purpose? Any experts out there?
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You'll need something extremely weatherproof, so maybe Gorilla Glue?
 
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