Subject:
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Re: 8448 gearing problems
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Newsgroups:
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lugnet.technic
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Date:
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Mon, 12 Nov 2001 12:52:04 GMT
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Viewed:
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545 times
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> Well, I definitely did not have any such problems with my 8448, so my
> guess would be that some gear or other is blocked somewhere. Have
> another go.
Agreed. I remember my 8448 as being very smooth when it was built, and I was
able to motorise it using the older 9V ungeared motor no problem. If my
memory is correct I geared the motor down by 9:1 before the gearbox, and it
would even start in the higher gears, just as long as it was on vinyl at the
time! I remember being pleasantly surprised by the power of the motor, as
the only previous similar experience I had had was trying to move the 8860
with the old 4.5V motor, which moved like a slug on tranquilisers, as they
say...
Jennifer
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Message has 2 Replies:
 | | Re: 8448 gearing problems
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| (...) I ripped the gearbox apart and tried again, and I think I solved it - the motor I had on the mountings behind the engine to drive the gearbox was a bit loose so I'd added some plates to hold in place, and I think one of them was catching on (...) (23 years ago, 12-Nov-01, to lugnet.technic)
| | | Re: 8448 gearing problems
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| (...) I seem to recall that a rug is like kryptonite to the power of a LEGO motor.. and for this model which I got when I was 11, and have always been very happy with, I solved the problem of slow motorization using two motors, two 3-stud gears and (...) (23 years ago, 26-Dec-01, to lugnet.technic)
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Message is in Reply To:
| | Re: 8448 gearing problems
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| "DC" == Daniel Crichton <danielc@helio.co.uk> writes: DC> When putting the car in first and pushing it forwards (without any DC> motors attached) the gearbox clicks badly, and does the same if DC> reverse and pushing it backwards. Well, I definitely (...) (23 years ago, 12-Nov-01, to lugnet.technic)
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