Class dismissed!
On Mon, Sep 3, 2018 at 4:48 PM van.mulders.marcel--- via Fot <
fot at autox.team.net> wrote:
>
> That's very right, Bill. Torque is only a force (force times distance to
> the shaft centre). A cyclist is exerting a greater torque on the pedals
> than many a car engine has, yet his torque is barely sufficient to reach
> 60km/hour with his bicycle Why? Because his power is so low :his torque
> times an rpm of only some 100rpm is only 1 or 2 hp.
> At one time, Volkswagen had a Polo diesel turbo and a Polo on gasoline :
> both engines had 75 hp, the diesel engine had much more torque :
> accelerating to 100km/u took exactly the same time though. The confusion is
> about the character of an engine : the same engine, for instance the TR 4
> cyl engine, can be tuned (by means of the camshaft in the first place) to
> be peaky : a small powerband at higher revs, or it can be tuned to be more
> torquey : a bit more torque, but at lower rev's. It is power that counts :
> torque times revs, but not only the revs at maximum power or max torque,
> but the power integrated over the rev band you are using at the track. A
> torquey engine (broad powerband, at lower revs) with the same maximum power
> as a peaky engine (smaller power band at higher revs) can be a little
> faster on the track, and it will be easier to drive. But, i.e., a peaky TR
> engine with 180 hp peak power will always outperform a torquey TR engine
> with say 160 hp. And, given enough gears, and the driver isn't lazy, a
> peaky engine and a torquey one, both with the same peak power will deliver
> about the same laptimes. The gasoline Polo with low torque, was as fast as
> the turbodiese polo because the gearbox ratio's for both engines were
> carefully chosen to suit their characters.
> Marcel.
>
> ------------------------------
> *Van: *"fot" <fot at autox.team.net>
> *Aan: *"gasket works" <gasket.works at gte.net>
> *Cc: *"fot" <fot at autox.team.net>
> *Verzonden: *Maandag 3 september 2018 05:46:09
> *Onderwerp: *Re: [Fot] 89MM piston question
>
> It always puzzles me when people say that. Horsepower is torque times RPM
> (and a conversion factor). Torque is horsepower/RPM. So how can one count
> more than the other?
>
> On Sep 2, 2018, at 4:13 PM, Mordy Dunst via Fot <fot at autox.team.net>
> wrote:
>
> Its the torque that counts. So, I suspect the motor enhancements took the
> benefit of the tractor stroke. If the motor is able to produce that
> power at 6k rpm with shift at 6500.
> I shift at @ 6200 - my motor produces max power @5800 on the dyno. I use
> a kastner designed cam for which I have the masters.
>
>
>
> MDunst Headgasket.com <http://headgasket.com/> 626.358.1616
> Fax 626.628.3777
> Triple R Munitions, Inc 626.201.9471
> T FFL 6,7 SOT 2
>
> On Sunday, September 2, 2018, John Styduhar via Fot <fot at autox.team.net>
> wrote:
>
>
> What kind of modifications were done to the engine to extract over 200 HP
> from a tractor engine? Nitrous shot.
>
>
> On Sat, Sep 1, 2018 at 3:05 PM Thomas Boyd <tom at trenterprises.com> wrote:
>
>> All of our FIA race cars are running legal 87mm engines.
>> Just rolling roaded the latest SLR build at well north of 200bhp
>>
>> Thomas Boyd
>> Director
>> TR Enterprises
>> 01623 793807 (ext 302) <01623%20793807;302>
>> www.trenterprises.com
>>
>>
>> On 1 Sep 2018, at 17:02, John Styduhar via Fot <fot at autox.team.net>
>> wrote:
>>
>> If you really had serious compliance with most group's rules, I would
>> guess half the TR cars would not pass muster. Let's have fun together.
>>
>>
>> On Sat, Sep 1, 2018 at 9:40 AM Terry Stetler via Fot <fot at autox.team.net>
>> wrote:
>>
>>> Indeed there are Glen.
>>>
>>>
>>>
>>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
>>> Windows 10
>>>
>>>
>>> ------------------------------
>>> * From:* Fot <fot-bounces at autox.team.net> on behalf of fubog1 via Fot <
>>> fot at autox.team.net>
>>> *Sent:* Saturday, September 1, 2018 7:34:26 AM
>>> *To:* rkramer56 at gmail.com
>>> *Cc:* fot at autox.team.net
>>> *Subject:* Re: [Fot] 89MM piston question
>>>
>>>
>>> everybody else seems to be using 89.
>>>
>>> HaHa not everybody, rules say 87mm, there are still a few guys running
>>> them (and winning)...
>>> Glen
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Bob Kramer via Fot <fot at autox.team.net>
>>> To: van.mulders.marcel <van.mulders.marcel at telenet.be>
>>> Cc: fot <fot at autox.team.net>
>>> Sent: Fri, Aug 31, 2018 11:26 pm
>>> Subject: Re: [Fot] 89MM piston question
>>>
>>> I've always used 87 MM due to the rules but everybody else seems to be
>>> using 89. The procedures are the same so It'll be the same. I blew a head
>>> gasket last time out, compression into the cooling system and blew off the
>>> bottom hose. I guess it wasn't tight enough, and scuffed two pistons
>>> before I could shut it down.
>>>
>>> Bob Kramer
>>>
>>> On Fri, Aug 31, 2018 at 12:43 PM, <van.mulders.marcel at telenet.be> wrote:
>>>
>>> Bob,
>>> It is definitely necessary to make that modification to the liners. The
>>> relieve should correspond to the shape of the combustion chambers : about 4
>>> mm wide on a 89mm engine.
>>> Marcel
>>>
>>> ------------------------------
>>> *Van: *"fot" <fot at autox.team.net>
>>> *Cc: *"fot" <fot at autox.team.net>
>>> *Verzonden: *Donderdag 30 augustus 2018 00:05:43
>>> *Onderwerp: *[Fot] 89MM piston question
>>>
>>> Do the guys running the 89MM pistons and liners need to relieve the
>>> liners to clear the intake valve, or does the extra MM make the difference?
>>>
>>> Bob Kramer
>>>
>>> On Tue,
>>>
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