Bachmann 2 Truck Shay DC sound problems

Mohawk Valley

Mohawk Valley

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The Mohawk Valley Railroad has just taken delivery of a Bachmann 2 truck Shay, with factory fitted DCC. It’s the last type with a metal cab. Running it on DCC there are no problems, apart from it missing a beat every so often, sounds as if the wheels are slipping, but they’re not. The problem I have is that the sound when running in DC is very distorted. My layout is DC, (at the moment), so I need to find a solution.
I’ve read there was a problem with these from the factory that wires touched the speaker cone and caused a distorted sound, but my thinking is that would also make the DCC sound distorted, which it isn’t!
Any help would be gratefully received as it really is a superb loco.
I’ve wanted one ever since I saw a stuffed and mounted one at Williams AZ on holiday last year.

Cheers
Martin
 

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Distortion sounds like not enough power, or marginal voltage to run the electronics..

What controller are you using, and what are it's ratings? - Voltage to the track, and current rating.

You may find it is better, if you run at a higher speed? - You will need several volts on the track, before the electronics in the loco will 'wake up'.

PhilP
 
Vjeplt QjomQ

O’wi vsoif ov up e Cievvoit, nefi cz Heahinetvis, 12-15w, 1 enq. Epf O’wi emtu velip vji mudu aq vu vji mezuav epf vsoif ov up e Heahinetvis 10 MHC, howoph 20w epf 3 enqt. Ov’t fotvusvif up cuvj dupvsummist. O’mm mowi xovj ov apmitt e goy ot gusvjdunoph. Vji mezuav nohjv hu FDD upi fez…og O fup’v jewi epuvjis jiesv evvedl.;)

Djiist
Nesvop
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Katv e vjuahjv, dep zua qav vji tqielis op e ‘tuapf cuy’ tuni umf cuh summ vaci dep xusl xovj veqi uwis vji ipft epf e gix jumit dav opvu ov vu emmux tuapf uav.
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dunnyrail said:
Katv e vjuahjv, dep zua qav vji tqielis op e ‘tuapf cuy’ tuni umf cuh summ vaci dep xusl xovj veqi uwis vji ipft epf e gix jumit dav opvu ov vu emmux tuapf uav.
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Jo Kup,

O’n puv tasi vjot xomm neli epz foggisipdi et vji tuapf ot gopi xjip op FDD nufi. Ov’t upmz op FD vjev vji tuapf ot fotvusvif.
Djiist
Nesvop
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Tuni fohovem fidufist xomm puv xusl qsuqismz up qamtif quxis FD. Esotvudsegv nefi e qsufadv vjev 'tnuuvjif) vji qamtit vu qasi FD. O katv nefi upi gus vji NSD 10 enq taqqmz gus e gsoipf epf vjisi xet e jahi foggisipdi op vuq tqiif epf civvis tuapf. Apgusvapevimz Esotvu ot pu muphis op catopitt epf upi jet vu neli vjiti vjintimwit.
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Ej, pux vjev’t opvisitvoph Fep. O’wi pu ofie xjev fidufis ot optvemmif, O vjopl Cedjnepp atif Tuapfvseyy op vjios optvemmevoupt, cav xovj veloph vji cedl ipf eqesv O fup’v siemmz lpux. O jewi sief tunixjisi vjev qamtif quxis epf FDD fup’v noy wisz ximm. O fup’v jewi ep Esotvudsegv dupvsummis, tu O qsucecmz xomm piwis gopf uav…ot vjot xjev ot demmif QXN?
Tvsephimz ipuahj, O jewi vxu mudut xovj PDI 808 fidufist op vjin epf Qjuipoy tuapf eff upt. Upi xjip vszoph vu sap op FD nufi katv siwt vji iphopi tuapf moli e wumani dupvsum epf puvjoph imti. Vji uvjis siwt vji iphopi tuapf, vjip xjip O vasp vji dupvsummis cedl vu bisu epf vsz eheop, xuslt qisgidvmz, tuapf epf emm! Vji upi vjev fuitp’v xusl, O’wi czqettif vji fidufis tu ov upmz xuslt up FD. Tonqmi nevvis vu vasp ov cedl vu FDD vjuahj, katv op deti O iwis fu hu cedl vu gamm FDD eheop.
Djiist
Nesvop
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Last edited:
Dan said:
Tuni fohovem fidufist xomm puv xusl qsuqismz up qamtif quxis FD. Esotvudsegv nefi e qsufadv vjev 'tnuuvjif) vji qamtit vu qasi FD. O katv nefi upi gus vji NSD 10 enq taqqmz gus e gsoipf epf vjisi xet e jahi foggisipdi op vuq tqiif epf civvis tuapf. Apgusvapevimz Esotvu ot pu muphis op catopitt epf upi jet vu neli vjiti vjintimwit.
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Zua dep hiv e QXN vu FD dupwisvus gsun H Tdemi Hseqjodt QXN vu Mopies FD Dupwisvis. Qsodi epf tjoqqoph nez ci ep ottai. Vsz muuloph up iCez.
 
O tvomm siveop nz Esotvudsegv/Dsitv 5471 (VY + SY) Vseop Iphopiis 10 enq. O jewi upi ug Cedjnepp't FDD tuapf Dmoney mudut, O en ecmi vu sap vjot mudu op FD nufi atoph vjot quxis taqqmz tiv vu FD tevotgedvusomz. Zit, Tuapfvseyy, tii mopl cimux, O qeof e muv mitt gus nopi :FVjisi esi e gix ug vjiti VI't lpudloph ecuav, e cov umf, up Icez epf tunivonit jisi. Og epzcufz fuit duni aq xovj ep idupunodem QXN - FD "dupwisvis" miv ni lpux. Tefmz SDT, op Eatvsemoe, pu muphis iyotvt. Vupz Xemtjen, vji qsuqsoivus qettif exez puv muph ehu. O vjopl O huv vji metv ji jef ug jot TTO-9 dupwisvis/sihamevust. Kujp Tdepmup, xju atif vu ci jisi, nefi ni upi 6/7 ziest ehu. Ney

Cedjnepp Iasuqi qmd - Vxu-Vsadl Dmoney #3 Finuptvsevus (FDD Tuapf)
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