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Newbie tech question: why/how does Honda Fury make low power?

 
 
Billericay Dickie
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      08-21-2010, 05:30 PM
I know this is a racing forum, but rec.motorcycles seems to be mostly
swearing ---.

Looking at the specs for the Honda Fury chopper, I'm puzzled to see a
modern motor, with 3-valves per cylinder, fuel injected, overhead cam,
of a massive 1,300cc capacity --- produce just 59bhp.

You'd think a Boy Scout troop working in a garden shed, if they
cobbled together a motor with those specs, would see more power. Did
Honda engineers have to work hard to REDUCE the power --- an odd task
for a m'cycle engineer?

Does the motor run on just a dribble of fuel to get "good" mileage?
Polite explanations welcomed. Cheers.

 
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Dr Ivan D. Reid
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      08-21-2010, 05:40 PM
On Sat, 21 Aug 2010 10:30:35 -0700 (PDT), Billericay Dickie
<(E-Mail Removed)>
wrote in <94a6d4cb-30e3-4ef3-8efb-(E-Mail Removed)>:
> I know this is a racing forum, but rec.motorcycles seems to be mostly
> swearing ---.


> Looking at the specs for the Honda Fury chopper, I'm puzzled to see a
> modern motor, with 3-valves per cylinder, fuel injected, overhead cam,
> of a massive 1,300cc capacity --- produce just 59bhp.


> You'd think a Boy Scout troop working in a garden shed, if they
> cobbled together a motor with those specs, would see more power. Did
> Honda engineers have to work hard to REDUCE the power --- an odd task
> for a m'cycle engineer?


> Does the motor run on just a dribble of fuel to get "good" mileage?
> Polite explanations welcomed. Cheers.


Don't you think 59 bhp is more than enough for anything as evil-
handling as a chopper? Plus it's unfaired, which limits how fast you
want to travel, and the tyres limit how fast you want to accelerate...

I did a quick gwgl but couldn't find; what revs give max power
and what torque/revs for max torque -- that will tell a lot.

--
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Brunel University. Ivan.Reid@[brunel.ac.uk|cern.ch] Room 40-1-B12, CERN
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KotPT -- "for stupidity above and beyond the call of duty".
 
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Julian Bond
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      08-21-2010, 07:20 PM
Billericay Dickie <(E-Mail Removed)> Sat, 21 Aug 2010 10:30:35
>I know this is a racing forum, but rec.motorcycles seems to be mostly
>swearing ---.
>
>Looking at the specs for the Honda Fury chopper, I'm puzzled to see a
>modern motor, with 3-valves per cylinder, fuel injected, overhead cam,
>of a massive 1,300cc capacity --- produce just 59bhp.
>
>You'd think a Boy Scout troop working in a garden shed, if they
>cobbled together a motor with those specs, would see more power. Did
>Honda engineers have to work hard to REDUCE the power --- an odd task
>for a m'cycle engineer?
>
>Does the motor run on just a dribble of fuel to get "good" mileage?
>Polite explanations welcomed. Cheers.


They're just emulating Harley.

--
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Webmaster: http://www.ecademy.com/ T: +44 (0)192 0412 433
Personal WebLog: http://www.voidstar.com/ skype:julian.bond?chat
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snogfest
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      08-23-2010, 02:48 PM
On Aug 22, 5:30*am, Billericay Dickie <brafi...@hotmail.com> wrote:
> I know this is a racing forum, but rec.motorcycles seems to be mostly
> swearing ---.
>
> Looking at the specs for the Honda Fury chopper, I'm puzzled to see a
> modern motor, with 3-valves per cylinder, fuel injected, overhead cam,
> of a massive 1,300cc capacity --- produce just 59bhp.
>
> You'd think a Boy Scout troop working in a garden shed, if they
> cobbled together a motor with those specs, would see more power. *Did
> Honda engineers have to work hard to REDUCE the power --- an odd task
> for a m'cycle engineer?
>
> Does the motor run on just a dribble of fuel to get "good" mileage?
> Polite explanations welcomed. Cheers.


You're right, this is a racing NG

The Rebel, oops, Fury, is a CRUISER. Therefore it's aimed at a market
who likes whatever it is that's appealing about cruisers, they
probably don't care about high power output or fuel consumption.
Cruisers with big cc long stroke air-cooled twins are about image and
low revs.
If it made twice the power what do you think Honda'd have to change ?
(that's rhetorical).
Seriously, I think it's a great looking bike, but I'd have the MT-01
or the new V-Max if I wanted something a bit different.
 
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