Hvordan kommer man igang med det første 5" lokomotiv?

1 indlæg / 0 new
Hvordan kommer man igang med det første 5" lokomotiv?

Den 30 & 31 aug 2008 deltog MDK i samarbejde med Brandhøjbanen i DMJUs udstilling i Valby Hallen.

Arno & Co. havde samlet en håndfuld flotte lokomotiver og vogne, som det kan ses her: [url]http://www.modeldampklubben.dk/node/324]

Bag efter har vi snakket om hvad vi og publikum fik ud af vores udstilling, og et af de tilbagevendende emner er hvordan får vi nye folk i gang.
Der er langt i mellem at der dukker en op der har gået hjemme i garagen og bygget sig et damplokomotiv, og det er efter hånden de færreste der
har en egentlig relation til damplokomotiver som andet end museumsgenstande.

Jeg har en ide om at vi skal have nye folk i gang med noget let overskueligt, og så ikke nødvendigtvis behøver at koste en formue, - altså et motordrevet
lokomotiv af simpel konstruktion.

For dem som ikke selv har mulighed for at lave det helt store ting, har jeg i min søgen på internettet fundet nogle sager, som kan erhverves til en rimelig pris. :wink:

Jeg har klippet lidt på hjemmesiderne og der er også links.

Build Your Own 5" Gauge 12 Volt Battery Electric Locomotive!

Maxitrak are pleased to offer you this build your own 12 volt electric locomotive chassis kit. The kit is easy to assemble & fully machined. You can build your own body to what ever style you like, the chassis is capable of pulling four adults. Additional Rail, rolling stock, locomotives including Live Steam are available.

Included in this kit are:
1 x steel chassis
2 x Steel Buffer beams
2 x 5" Gauge stainless steel wheel sets
2 x 80 watt motors with gears
1 x electronic control unit
1 x full set of wiring, switches etc (NOT INCLUDING BATTERY)
1 x instruction sheets and wiring diagram
2 x couplers
Ride On Railways
What is a Trojan Loco?

Sharp corners and steep gradients on a garden railways create a great strain on engines. Un like many club tracks the garden railway will often involve hard acceleration and deceleration with little free running. This put a lot of strain on our two Bulldog loco's, so constant checking of the control board and motors coupled with regular breaks were necessary to avoid overheating - something that wasn't necessary when we ran on a club track.

The principle behind our loco is to over power it, to avoid strain on both control board and motors. If you try to pull too big a load all that will happen is the wheels will slip. So far even with too heavier load we have only managed to get the motors and control board luke warm.

Power is 24v from two 12v car batteries powering 4 motors (in parallel ie. 24v each). We have to recommend leisure or traction batteries, as car batteries are not designed for constant current drain. That point raised our car batteries have given over 2 years good service - your choice.

* Wheel size 100mm
* Wheel Span 225mm
* Length 628 mm
* Width 306

The four motors fitted provide more than enough power for those occasionally overloaded trains. Removal of motors can be done without having to split or remove the wheel sets.

Should you ever wish to take the wheel sets out simply remove the eight bolts in the horn block guides and the set simply slides out.

The loco now comes with a welded on dashboard which allows the 4qd controller to be bolted on. It also has a slot and holes to accommodate the optional extras -

* Battery isolator switch
* Battery condition meter & switch
* Speed govenor pot

* Easy maintenance and repair
* Simple rigid construction
* Great base to start detailing
* No worry about over loading
* Keeping cost down by using car batteries
* Designed to take market leading control board
* Online instructions
* Just plug in and go

This is a bogied loco with 4 motors - one per axle. Powered by two standard car batteries this loco with its increased weight and additional wheel sets actually unleashes the power to the track where a Trojan would slip.

On a six foot radius on a 1 in 20 gradient hercules easily pull two adults on a bogie coach, or nine adults up a 1 in 40 from a standing start

By putting the batteries at the end the Hercules is well balanced. The control board is laid flat on the deck with the control panel above. The chassis strenght is gained from using two 25mm angle sections runnig the length of the deck. These also act as battery trays.

Ball race bearing version
Some club members have expressed a great interest in the Hercules but fear that the maintenance and potential catastrophic failure that could occur with the cranks would possibly put club members off from purchasing one. With this in mind we have developed a ball race version that needs comparatively little maintenance.

Only the oilite motor bushes need oiling (every 1000 hrs) and occasional nut and bolt checking on the bogies. Even without the cranks this loco produces more than enough power for most users. Once again these bogies use the unique motor mounts that allow for full suspension of each wheel.
Godt nok langt væk og heller ikke 5" men bare en smagsprøve.
Chassis is ready to rock and roll, their are plenty of holes to mount the motor and body, the holes are 3/8 dia on the top and ends of the chassis. Chain and sprocket size is number 40 , the small sprockets connecting the two axles has 12 teeth and the larger sprocket has 20 teeth, the distance between the axles is 16 inches. The chassis is very heavy duty, constructed of 3 X 5 X 3/8 angle, end plates are 3/8 thick also, wheels are very close to IBLS standards, the only thing is the flange is larger. Springs are 70 lbs per spring, axles are 3/4 dia. with 3/16 keyway running the total length of the shaft. the bearing block rides on Delrin bearing material, the whole chassis weigh is 85 lbs.

Total length is 24 inches X 15-3/4 inches wide, distance from the rail to the top of the chassis is 6-1/4 inch, the wheel thread dia. is 5-1/4 with a 2 degree angle. The chassis will ride on our 20 foot diameter track set, but preferably on our 30 and 40 foot dia. track set, wheels can be moved in closer for tighter curves by adjusting the split colars.
[b] :bowdown:[/b]

Tilføj kommentar