I'm ok with a gutted non functional rotating pully . If they allow a light
battery.
MDunst Headgasket.com 626.358.1616
Fax 626.628.3777
Triple R Munitions, Inc 626.201.9471
T FFL 6,7 SOT 2
On Sunday, July 2, 2017, Duncan Charlton <duncan.charlton54 at gmail.com> wrote:
SVRA will penalize you 25 lbs if you don?t have a generator or alternator. You
don?t need to prove it works, however, and a gutted generator and mount weighs
a lot less than the 25 lb penalty.
Duncan
>
On Jul 2, 2017, at 3:33 PM, Mordy Dunst via Fot <fot at autox.team.net> wrote:
>
> Why run an alternator? Do vintage rules require an alternator and a lead acid
> battery?
>
> Get rid of the alternator and battery and save 30lbs . Get an "antigravity
> battery". It weighs 3 lbs, it is safer and has enough power to run the
> ignition and fuel pump easily for a couple of 25 min sessions. Get a simple
> volt meter in the dash . It starts at about 13.4 volts and ends @ 12.9
> depending on how much you need to crank. Heck get two -one to power the
> starter and one smaller for the rest of the car.
>
> That's what I'm told anyways.
>
>
> MDunst Headgasket.com 626.358.1616
> Fax 626.628.3777
> Triple R Munitions, Inc 626.201.9471
> T FFL 6,7 SOT 2
>
> On Sunday, July 2, 2017, John Styduhar via Fot <fot at autox.team.net> wrote:
>
> Bill, could I use my Denso alternator setup to charge the LiPos or what
> charging system is required??
>
>
> On Sat, Jul 1, 2017 at 1:32 AM, Bill Babcock via Fot <fot at autox.team.net>
> wrote:
> More realistically: Typical single cell lipo is 3.7V nominal, 4.3 V fully
> charged so four cells in series is nominally 14 to 16. Volts, which makes
> electronic ignition systems much happier than the 12.5 volts of lead acid
> batteries. A typical little battery for a RC model is 5000mah (or 5AH in more
> normal parlance) and it's a little smaller than a pound of butter. While one
> of them might actually crank your motor, five or six is a better bet. I had
> ten handy that I'm no longer using (new drone) so I put them together for
> peyote. 50AH, 1000Amps of cranking current. If I ever draw that my starter
> wire will probably vaporize, but the starter spins briskly. pertronix
> ignition at 6000 rpm draws five amps. So eight to ten hours of running flat
> out. That's the biggest load by far unless you're running an electric water
> pump.
>
> People's bad experience with total loss has to do mostly with lead acid
> batteries. Electronics are generally designed to run at alternator voltage of
> 14V. With typical voltage drop an LA battery might drop to 11V at full load.
> LiPos start with a higher voltage and don't droop as much, so everything
> works better.
>
> Sent from my iPad
>
> On Jun 30, 2017, at 8:00 AM, D V <explore8 at outlook.com> wrote:
>
> Elon? Is that you? Drove one of your cars the other day....nice.
>
> Sent from my iPhone
>
> On Jun 30, 2017, at 5:30 AM, Bill via Fot <fot at autox.team.net> wrote:
>
> You know, these days I could build a battery that would power any race car
> for a couple of weeks and weigh fifteen pounds. Why would I bother charging
> it?? It?s 2017. I made a battery recently that lets me weld aluminum. I can
> put it in a lunchbox. Alternator, really? Why?
>
>
> On Jun 29, 2017, at 5:00 PM, Bob Totten via Fot <fot at autox.team.net> wrote:
>
> What is the size of the shaft on the Denso ??
>
> Curious,
>
> Bob T
> stom make? Thanks
>> _______________________________________
>
>
>
> -----Original Message-----
> From: Tony Drews via Fot <fot at autox.team.net>
> To: John Styduhar <johnstydo at gmail.com>; Triumph 'Friends of Triumph <fot
> at autox.team.net>
> Sent: Thu, Jun 29, 2017 3:48 pm
> Subject: Re: [Fot] Oversize alternator pulley source
>
> I'm not sure of the shaft diameter on the Denso
> alternator, but here's a couple of
> possibilities. I think I'm running the first one.
> https://www.summitracing.com/parts/sum-g3969/overview/
> https://www.summitracing.com/parts/pwm-182/overview/
> https://www.summitracing.com/parts/mor-64800/overview/
>
> basically, search for "alternator pulleys" on www.summitracing.com
>
> Regards, Tony Drews
>
> At 09:20 AM 6/29/2017, John Styduhar via Fot wrote:
>> I'm running a single groove Denso 55A alternator
>> (Lester No. 14684) in my TR racer.? Pulley OD
>> is 2 11/16". Does anyone know where to buy a
>> larger diameter pulley for this unit or will I have to custom make? Thanks
>> _______________________________________________
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>>
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