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Author Topic: M7 re-runs  (Read 6340 times)

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Offline Newportnobby

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M7 re-runs
« on: October 30, 2014, 03:58:16 PM »
Rails of Sheffield now have these in stock at 52.50 each

Offline bridgiesimon

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Re: M7 re-runs
« Reply #1 on: October 30, 2014, 04:30:39 PM »
Anyone got one yet?
Am very unsure as I was one of many burnt by teh original ones. A couple would be ideal for my next N gauge but if they run as badly as before I would rather do without!

Best wishes
Simon

Offline Dorsetmike

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Re: M7 re-runs
« Reply #2 on: October 30, 2014, 08:00:57 PM »
The original runs and pulls quite nicely with a white metal body; ABS/Beaver Highland o-6-4T hacked, the prototype was designed by Peter Drummond, brother of Dugald and as with some of his other locos shows a strong family resemblance.

Admittedly the ABS kit  is rarely found these days, hacking involves shortening the boiler and side tanks and the cab. The extra weight of a white metal body more than doubles the haulage.
Cheers MIKE
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Offline bridgiesimon

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Re: M7 re-runs
« Reply #3 on: October 30, 2014, 09:34:13 PM »
The starting off and slow speed running on the M7s was terrible hence my concern.
Best wishes
simon

Offline Roy L S

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Re: M7 re-runs
« Reply #4 on: October 30, 2014, 09:59:32 PM »
The starting off and slow speed running on the M7s was terrible hence my concern.
Best wishes
simon

The re-runs are to exactly the same design and specification as the original batches so I cannot think there will be any significant improvement in performance or haulage capacity.

Regards

Roy

Offline NeMo

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Re: M7 re-runs
« Reply #5 on: October 30, 2014, 09:59:57 PM »
The original runs and pulls quite nicely with a white metal body...
Admittedly the ABS kit is rarely found these days, hacking involves shortening the boiler and side tanks and the cab. The extra weight of a white metal body more than doubles the haulage.
Interesting DorsetMike, but doesn't really answer the question, does it? Rather like if someone asks, "Is the Ford Focus 4-door hatchback any good" and the reply they get is "Yes, provided you replace the bodywork with a 2-door roadster and cut up some of the chassis to make it fit."  :o

Simon: hope you get a positive answer. Haven't see then new M7s myself. Historically Dapol don't seem to revise mechanisms except to make them DCC-friendly. But you never know!

Cheers, NeMo
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Offline Agrippa

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Re: M7 re-runs
« Reply #6 on: October 30, 2014, 11:01:54 PM »
Sounds iffy , so don't buy.
Nothing is certain but death and taxes -Benjamin Franklin

Offline oreamnos

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Re: M7 re-runs
« Reply #7 on: October 31, 2014, 05:07:02 AM »

[edit] Historically Dapol don't seem to revise mechanisms except to make them DCC-friendly. But you never know!

Cheers, NeMo

The one exception to this I believe is their most recent run of Bulleid Q1s came with the "Super Creep" motor instead of the "Jack Rabbit" motor.

Mine certainly is creepy....   >:D  (Seemed appropriate on Halloween...)

Matt

Online Bealman

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Re: M7 re-runs
« Reply #8 on: October 31, 2014, 05:33:34 AM »
I didn't realise that. Certainty good to know! Thanks for posting!
Vision over visibility. Bono, U2.

Offline Ensign Elliott

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Re: M7 re-runs
« Reply #9 on: October 31, 2014, 10:26:27 AM »
I too bought an M7 when they first came out. It suffers with very poor slow running and "stationary to very fast" with no inbetween setting. I'd definitely have another one if they improved the motor, especially at the Hattons price.

I also have the same problem with a Q1, so interested to hear that they've improved the motor on them now.

Offline Dorsetmike

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Re: M7 re-runs
« Reply #10 on: October 31, 2014, 10:41:24 AM »
As well as the white metal bodied M7 I have 3 others with normal Dapol bodies, my solution to jack rabbit performance is to have a resistor in series with one controller output lead with a switch to bypass it when running other locos. About 22 - 27 ohm 5 watt works for me, it has the effect of lowering the voltage to the motor; it can also improve slow running of some other locos like UM. You may wish to experiment with different value resistors to find which best suits the output from your controller and locos.
Cheers MIKE
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Offline CarriageShed

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Re: M7 re-runs
« Reply #11 on: October 31, 2014, 01:57:39 PM »
I must have a bit of an oddity when it comes to the early M7s then. Mine seems to have wonderful slow-speed control. The real problem was its pulling power. Even the skin on a rice pudding would present a serious problem, so I've been gradually weighting it down with No.8 0.06g lead shot and the difference has been noticeable. It can even make it up my incline with two coaches behind it - a significant improvement!

The new versions have been 'improved' somehow. Dapol have insisted on that via their Facebook page, although without providing any actual details. But my bugbear is that they seem to have release the M7 in every livery except the right one - Maunsell green. They even have two in Bulleid day-glo green. Yuk.

Offline thebrighton

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Re: M7 re-runs
« Reply #12 on: October 31, 2014, 04:15:28 PM »
Here's a quote from Dapol on their Facebook page regarding the M7 re-runs:

'there are some aesthetic and running improvements brought about by better construction, but they are the same specification as was originally released.'

I've one on pre order so we'll see but I've 4 others which all run fine if a little light weight.
Gareth


Offline port perran

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Re: M7 re-runs
« Reply #13 on: October 31, 2014, 04:30:06 PM »
I'll be interested to see what people feel about the new ones.
I'm in two minds. An M7 isn't really ideal for my area but then I have a Q1 which is even more unusual for North Cornwall.
I shall hold off until someone reviews one I think.
If it looks right then it most probably is right.


Offline Roy L S

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Re: M7 re-runs
« Reply #14 on: October 31, 2014, 07:49:10 PM »
Here's a quote from Dapol on their Facebook page regarding the M7 re-runs:

'there are some aesthetic and running improvements brought about by better construction, but they are the same specification as was originally released.'


Sounds like a very optimistic "sales" driven statement to me. If they are the same spec in terms of motor, gearing, chassis, weight etc it is hard to see how "better construction" could have any material impact. It is in the same Facebook exchange that the same commentator from Dapol says the Ivatt now comes with NEM pockets. Like the M7 it always did!

So I would say don't expect too much..

Roy

 

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