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Author Topic: New one-banger competition for the Enfields this 2009 year....  (Read 5009 times)

ace.cafe

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Re: New one-banger competition for the Enfields this 2009 year....
« Reply #30 on: March 16, 2009, 12:55:54 AM »
here are some comparative torque and power charts for the UCE. The power curves are at the engine.

Thanks Kevin!
Great info.

For those not familiar with converting kw to hp, or Nm to foot pounds, it comes out to about
27.5hp
30.2 foot pounds
at the crank, for the UCE as shown.
Home of the ACE Fireball 535 Bullet,  Ace GP Hi-Lift Roller Rocker Head . Pistons, cams, etc. Highest performance Bullet engine mods available .  AVL mods. Redditch 700/750 Twin mods. UCE kit soon.

Please visit my new website:
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Cabo Cruz

  • Papa Juan
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Re: New one-banger competition for the Enfields this 2009 year....
« Reply #31 on: March 16, 2009, 07:52:59 PM »
Brothers Kevin and Ace, I thank you for the information!

Ace, what do these numbers at the crank normally translate to numbers at the rear wheel?

I thank you, in advance, for the next lesson, Brother Ace!
Long live the Bullets and those who ride them!

Keep the shiny side up, the boots on the pegs and best REgards,

Papa Juan

REA:    Member No. 119
BIKE:   2004 Royal Enfield Sixty-5
NAME: Perla

ace.cafe

  • Grand Gearhead
  • *****
  • Posts: 8281
  • Karma: 0
  • World leaders in racing or performance Bullets
Re: New one-banger competition for the Enfields this 2009 year....
« Reply #32 on: March 16, 2009, 08:11:42 PM »
Brothers Kevin and Ace, I thank you for the information!

Ace, what do these numbers at the crank normally translate to numbers at the rear wheel?

I thank you, in advance, for the next lesson, Brother Ace!

Papa Juan,

The normal de-rating of power for losses in the drive train is 15%. It's an approximation because each design is different, and each bike is even different because of minor production variations and tolerances.
But, that's the "rule of thumb" for approximation.

For the UCE, using the "15% rule of thumb" would come out to
23.375 hp at the rear wheel, in stock form.

« Last Edit: March 16, 2009, 08:14:19 PM by ace.cafe »
Home of the ACE Fireball 535 Bullet,  Ace GP Hi-Lift Roller Rocker Head . Pistons, cams, etc. Highest performance Bullet engine mods available .  AVL mods. Redditch 700/750 Twin mods. UCE kit soon.

Please visit my new website:
http://groups.yahoo.com/neo/groups/AcePerformanceBullets/info

Cabo Cruz

  • Papa Juan
  • Grand Gearhead
  • *****
  • Posts: 2332
  • Karma: 0
Re: New one-banger competition for the Enfields this 2009 year....
« Reply #33 on: March 16, 2009, 08:19:02 PM »
"Papa Juan,

The normal de-rating of power for losses in the drive train is 15%. It's an approximation because each design is different, and each bike is even different because of minor production variations and tolerances.
But, that's the "rule of thumb" for approximation.

For the UCE, using the "15% rule of thumb" would come out to
23.375 hp at the rear wheel, in stock form."  ace.cafe


TANKS AND HEAVY ARTILLERY!!!
Long live the Bullets and those who ride them!

Keep the shiny side up, the boots on the pegs and best REgards,

Papa Juan

REA:    Member No. 119
BIKE:   2004 Royal Enfield Sixty-5
NAME: Perla