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johnktm
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Posted: Thu May 8th, 2008 10:01 am |
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| I think mine would be very much like the Aprilla SVX supermoto,but with perhaps about 650cc ,a range of about 100 miles,a bit more comfort and a decent service interval.(what is it now? about every few hours?) Attachment: aprilia svx.jpg (Downloaded 96 times) Last edited on Thu May 8th, 2008 10:05 am by johnktm
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Mav
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Posted: Thu May 8th, 2008 10:20 am |
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Full fat R1 / ZX10R/Blade engine
Adventure bike frame
underseat exhausts
no bloody fairings.
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sinbad
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Posted: Thu May 8th, 2008 10:31 am |
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Currently, something with 100-120bhp. Flexible 800ish cc engine. Semi-sporty riding position. Light sport bike handling. 200mile+ tank range (hah). Sporty styling. 7000mile service intervals (hah). Shaft drive (haha). Group 10 insurance (hahahah). 4 year warranty. (haha) £4000 rrp. (hahahahaha)
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TimmyMagic
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Posted: Thu May 8th, 2008 10:31 am |
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johnktm wrote: I think mine would be very much like the Aprilla SVX supermoto,but with perhaps about 650cc ,a range of about 100 miles,a bit more comfort and a decent service interval.(what is it now? about every few hours?)
You mean a bit like the Aprilia Dorsuduro
Mine too 
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kickstart
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Posted: Thu May 8th, 2008 11:00 am |
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Hi
Ideal bike for normal use.
Decent fuel range (at least 200 miles of normal use)
Riding position at the sports end of sports touring.
Fairly comfy seat.
Shimmed valves (so they virtually never need touching - might even consider hydraulic tapets).
Brakes that do not seize up when a cloud looks at the funny.
Decent spares backup for a long time.
Reasonably protective fairing.
Decent power and power delivery (think FZR1000EXUP).
Closest bike to that would be an early 90s VFR750, but with a bit more poke and quite a bit more top end poke.
All the best
Keith
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Mav
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Posted: Thu May 8th, 2008 11:06 am |
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100 - 120 bhp????
whats wrong with 180?
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kickstart
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Posted: Thu May 8th, 2008 11:30 am |
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Nothing, just for normal use I would prefer a bit of bias towards low down & mid range power / reliability / servicing / fuel consumption / lack of vibration / etc.
Difference between the 2 on the road for me would be nominal. Doing top speed runs on an airfield why stop at 180hp.
All the best
Keith
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johnktm
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Posted: Thu May 8th, 2008 11:41 am |
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TimmyMagic wrote: johnktm wrote: I think mine would be very much like the Aprilla SVX supermoto,but with perhaps about 650cc ,a range of about 100 miles,a bit more comfort and a decent service interval.(what is it now? about every few hours?)
You mean a bit like the Aprilia Dorsuduro
Mine too
Its not bad just looks a little long and a tad heavy.
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Mav
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Posted: Thu May 8th, 2008 11:42 am |
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why does a 180bhp bike need to have less midrange?
I would rather have the extra power and not need it than need it and not have it.
Okay I actually want to ride around like a twat even faster.
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kickstart
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Posted: Thu May 8th, 2008 12:12 pm |
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Mav wrote:
why does a 180bhp bike need to have less midrange?
Generally will. To get more power you either need more torque (basically a larger / longer stroke engine) or more revs. Not really much chance of a much larger engine so that means more revs. What works at high revs (cam profile, exhaust design, intake design, throttle bodies, injector sizes, etc) is far less able to work at lower revs. Generally you do not gain power everywhere, you merely exchange low down / mid range power (which on the road is what most people will use most of the time) for top end power. How much time do you honestly spend in the top 1/4 of the rev range on full throttle?
Mav wrote:
I would rather have the extra power and not need it than need it and not have it.
I would like the extra power as well, but I don't want to do without other things which will affect me far more in daily use to gain a some rarely used top end power.
If the bike is an occasional use toy then my wants might well be different. And would also mean a 2 stroke.
All the best
Keith
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Mav
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Posted: Thu May 8th, 2008 12:29 pm |
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kickstart wrote: Mav wrote:
why does a 180bhp bike need to have less midrange?
Generally will. To get more power you either need more torque (basically a larger / longer stroke engine) or more revs. Not really much chance of a much larger engine so that means more revs. What works at high revs (cam profile, exhaust design, intake design, throttle bodies, injector sizes, etc) is far less able to work at lower revs. Generally you do not gain power everywhere, you merely exchange low down / mid range power (which on the road is what most people will use most of the time) for top end power. How much time do you honestly spend in the top 1/4 of the rev range on full throttle?
Mav wrote:
I would rather have the extra power and not need it than need it and not have it.
I would like the extra power as well, but I don't want to do without other things which will affect me far more in daily use to gain a some rarely used top end power.
If the bike is an occasional use toy then my wants might well be different. And would also mean a 2 stroke.
All the best
Keith generally? we are talking about a fairytail bike here.
Also I am very good friends with my rev limiter
I guess I spend about 1/3 to 1/2 of my time in the business end of the rev counter.
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Iridium
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Posted: Thu May 8th, 2008 12:36 pm |
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Provided I was living in Kos for the long term and had a job this would be the perfect bike for me... Attachment: bmw-f800gs-2008.jpg (Downloaded 80 times)
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kickstart
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Posted: Thu May 8th, 2008 01:46 pm |
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Mav wrote:
Also I am very good friends with my rev limiter
I guess I spend about 1/3 to 1/2 of my time in the business end of the rev counter.
Given that most racers when datalogged spend only a few percent of the time on full throttle on a circuit, you might be a bit hopefull.
All the best
Keith
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Mav
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Posted: Thu May 8th, 2008 02:06 pm |
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kickstart wrote: Mav wrote:
Also I am very good friends with my rev limiter
I guess I spend about 1/3 to 1/2 of my time in the business end of the rev counter.
Given that most racers when datalogged spend only a few percent of the time on full throttle on a circuit, you might be a bit hopefull.
All the best
Keith
did I say full throttle? nope
I do spend most of my time at 7k plus though.
also what bike do I own?
I could be on a fecking speedflight for all you know.
Last edited on Thu May 8th, 2008 02:09 pm by Mav
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TimmyMagic
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Posted: Thu May 8th, 2008 02:10 pm |
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kickstart wrote: Mav wrote:
Also I am very good friends with my rev limiter
I guess I spend about 1/3 to 1/2 of my time in the business end of the rev counter.
Given that most racers when datalogged spend only a few percent of the time on full throttle on a circuit, you might be a bit hopefull.
All the best
Keith
Most racers have bikes that touch 200mph though, Mav's doesn't...
Another question here, by saying that you'd want more mid-range than on any of the current litre sports bikes, I'm curious as to how that would compare with say a 600 that is considered to have more mid-range than top end. Wouldn't the bigger bike have more mid-range purely because it's a much bigger engine and only seems like it hasn't got much because of the massive amount of power on tap in the upper range of the revs?
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devonrider
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Posted: Thu May 8th, 2008 02:19 pm |
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Unfortunately this current obcession with horsepower has robbed big bore bikes of that all important mid range.
At the end of the day, all horsepower figures are for is so middle aged blokes can impress their mates down the pub with big numbers.
It has little to do with real world riding.
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kickstart
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Posted: Thu May 8th, 2008 02:23 pm |
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Mav wrote:
did I say full throttle? nope
I do spend most of my time at 7k plus though.
Little point in being at high revs without using much throttle, just waiting for the occasional moment. To me fun for an occasional blast, pain in the bum for any kind of distance.
Mav wrote:
I could be on a fecking speedflight for all you know.
True, but then you would probably scare yourself silly with 50hp, let alone 180hp  .
All the best
Keith
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PaulR
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Posted: Thu May 8th, 2008 02:30 pm |
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Perhaps there are two of them this time?
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kickstart
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Posted: Thu May 8th, 2008 02:31 pm |
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TimmyMagic wrote:
Another question here, by saying that you'd want more mid-range than on any of the current litre sports bikes, I'm curious as to how that would compare with say a 600 that is considered to have more mid-range than top end.
Think the 600s are normally viewed as having stuff all mid range. The litre bikes are currently the ones where they can afford to loose a bit of top end to gain some mid range (although fairly likely to be a flat spot in the middle to help with noise tests).
For example, current R1 has a claimed 180hp, current R6 has a claimed 129hp (both without "induction" claims). If the R1 had the same specific hp as the R6 then it would be up to a claimed 215hp.
Gearing also plays a big part. Lots of available revs means you can use lower gearing for the same road speed.
If someone has a dyno run handy for the R1 & R6 (or another pair of equivalents) along with their gearing / tyre sizes I will have a play and produce some thrust graphs.
All the best
Keith
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Mav
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Posted: Thu May 8th, 2008 02:38 pm |
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PaulR wrote: Perhaps there are two of them this time?
One I am sure the other I will see.
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