[modeleng] Re: American Diesel Loco Drawings - F7 for Example
- From: "Charles & Dorothy Brumbelow" <cbrumbelow@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 27 Oct 2004 07:03:25 -0500
One possibility would be to add a small gasoline engine and an alternator to
the mix if they would fit. I've seen an article about such a model in 5"
gauge. Charles
----- Original Message -----
From: "R.L. Roebuck" <rlr20@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Wednesday, October 27, 2004 6:44 AM
Subject: [modeleng] Re: American Diesel Loco Drawings - F7 for Example
> Hi there Cliff,
>
> I had a play a number of years back, and built myself a 3.5" gauge 0-4-0
> electric loco, to a narrow gauge outline with a friend.
>
> After a bit of playing aound, I shoe horned a sinclair C5 motor into it,
> buy trimming everything down, including the rotor shaft at both ends.
>
> The battery for it went in the driving trolley, the rear of which was
> built to resemble a box van.
>
> In order to aid traction, we mounted a steel block under the loco, which
> measured something like 4*3*2".
>
> I still remember when we went to test out the chassis for the first time.
> Most people figured that because of its small size, we'd need to "lean on
> it a bit to get it get some grip" and the best prognosis was that it would
> only pull its driver.
>
> A few laps later when it pulled out of the station with three passenger
> trollies and approx half a tonne behind it (without anyone having to "lean
> on it a bit") the critics were silenced.
>
> Before I moved away from Norwich, it ran for few years on the majority of
> running days in the year at the Easton Park track (public running every
> Sunday May to September) for about 90 minutes each time, until its battery
> went flat.
>
> Having said all of that - your comments do make sense, its just that I'm
> keen to stick to 3.5" gauge.
>
>
> Yours,
>
>
> Rich.
>
> On Wed, 27 Oct 2004, Clif Walker wrote:
>
>> Hi Rich andAll,
>>
>> I think that the snag with 3.5"gauge electric locos is getting worthwhile
>> battery power into them.It may just work with an American outline but is
>> impossible with English.Then if you cannot get the batteries in you have
>> a
>> problem with getting sufficient weight for traction purposes.
>> The problem also comes up of physically getting in adequate size motors
>> because unfortunately the amount of power required is dictated by the
>> size
>> of human beings which cannot be scaled down.
>> As 3.5" frames are too narrow to get the motors in between them they have
>> to
>> be mounted on top of the bogies,which then eats into the space where you
>> want to put the batteries.
>> It will require a lot of scheming out but I think that you may have to
>> bite
>> the bullet and go for a 5" gauge F7.
>> Now that would be some loco.
>>
>> Regards
>>
>> Clif
>> ----- Original Message -----
>> From: "R.L. Roebuck" <rlr20@xxxxxxxxxxxxx>
>> To: <modeleng@xxxxxxxxxxxxx>
>> Sent: Tuesday, October 26, 2004 5:56 PM
>> Subject: [modeleng] American Diesel Loco Drawings - F7 for Example
>>
>>
>> > Hi there All,
>> >
>> > I'm currently toying with the idea of building a 3.5" gauge electric
>> > loco,
>> > with an American Diesel loco outline.
>> >
>> > Not knowing anything much about the loco's that you guys have over
>> > there in the USA have, I perused through the various web pages, and the
>> > F7
>> > looks like the kind of thing I'm after...
>> >
>> >
>> http://images.google.co.uk/images?q=F7%20diesel&hl=en&lr=&safe=off&sa=N&tab=
>> wi
>> >
>> > The only thing is, I can't seem to find any drawings of it (or anything
>> > like it on the web).
>> >
>> > Can anyone suggest where I could find some drawings, either online, or
>> > in
>> > books, etc?
>> >
>> > Any suggestions gratefully received.
>> >
>> > Yours,
>> >
>> >
>> > Rich.
>> >
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>
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