Trail

[Blue Foam]

Looking for experience here on what trail seems to work best for LSR bikes and trikes.  We have a rather long wheelbase trike and the average percentage trail would be impractical.  We can achieve 50% of front wheel diameter and only 5% of wheelbase without REALLY restricting steering lock below what we need.  Please, limit responses to those who understand the interactions and differences between vehicle and steering stability as they relate to front wheel trail as a percentage of front wheel diameter and wheelbase.

[bak189]

You might get some input if you were to ask the question in English.......I speak (in addition to English) Dutch, French, Spanish, and some Italian.
But none of the above knowledge have allowed me to understand what you are asking!!!!!!!!!!!!!!
Having build sidecars..... I understand what trail
is....and how it relates to steering and handling.........So what are you asking???  We are here to help any way we can...............right people!

[JackD]

The answers you will get from around here are limited to the builders and operators of the World's fastest 2, 3, and 4 wheeled vehicles, National Champion Road Racers, Drag Racers, various Off Road type racers and officials.
The field also ranges from  professionals in the business to first time amateurs.
We are somewhat limited and perhaps can't help.
BAK189 for example has been running for more years that most have been anywhere and has a business building MC racing frames.
His language skills exceed most but we still see some work needed in his command of American.
Perhaps I can help if you speak Spanish.
Please limit your questions to one of the available languages.

I don't think the translation would be such a problem if it were not for the flavor of the question.

TRY AGAIN
 

[Stan Back]

Whasamtta, Jack -- No comprendy snotty?

[JackD]

Whasamtta, Jack -- No comprendy snotty?

"Who knows how bad his nose was tweaked ? Da chadow do."

While I do know the answer, his question would indicate he should already know but I did give him a chance to fall back to earth anyway.

[desotoman]

I learned something new today.  That a guest can post. I thought you had to register to be able to do that.     Is it too late to be an April fool's joke?

Tom G.

[smitty2]

 I've done a lot of technical writing, translating "Engrish" to English. Mostly Chinese English (Or what they think is English.) to American English in the form of technical manuals and instruction manuals. I have a large collection of the most unusual writing you'll ever see, and I'm getting pretty good at it, but it will take me a little while to decipher this one.
 I have a strange feeling that there may be a propeller involved here.

Smitty

[JackD]

  I'm getting pretty good at it, but it will take me a little while to decipher this one.
 I have a strange feeling that there may be a propeller involved here.

Smitty

Let me help to translate for Smitty.
The Propeller he is speaking of is a big stick that goes round and round and sucks air unless you hold it under water and then it sucks water.
And at the risk of sounding repetitive, I didn't call him "Brew Foam".
I get e-mail from him all the time and enjoy making him dance.

[narider]

Looking for experience here on what trail seems to work best for LSR bikes.

Keep adding rake it until you can't steer it off course in shutdown, then derake it slightly. This will give you the desired trail(which is marked by a long black line).
Todd

[Sumner]

Looking for experience here on what trail seems to work best for LSR bikes.

Keep adding rake it until you can't steer it off course in shutdown, .............
Todd

That run will be interesting    ,

Sum

[JackD]

The last edition of the "long black line" would present quite a challange to steer to.

[Stainless1]

Todd, I know I sent GSXR info, but you are a Harley rider at heart aren't you?  I know this because that is a variation of the tuning advice I used to give... Lean it till it siezes, then back it off a jet 
Don't you just love this forum, it is almost as much fun as driving all night to race....