Bernies Bike Shed

SPLIT/SINGLES and what they are!

u-t-ktn125140

A ‘Cornet’ engine showing the Y shape conrod and 2 pistons also showing the easy access to the crankshaft.

1952Express with Kuchensplit single motor 2

A rare picture of the Richard Kuchen split single in a Express frame

1952Express with Kuchensplit single motor

Triumph ?TWN cornet engine

inside the Cornet engine with the one Y shape conrod.The image top lefthand corner is of a prototype 250cc engine which double up 2 x 125 engines looks good but power output was similiar to the standar 250 BDG engine,so it was only a prototype.

img_1442

This is a PUCH 175 SVS engine showing the configuration of the Puch split single system

Puch and 'Cornet

Puch ‘s split/single system (showing the 250 SGS crank) and bottom picture showing the’Cornet, barrel and head.

trossi04_s

What has got to be the ultimate in split/single design a Monaco-Trossi from 1935 a radial 16 cylinder, oh! what must it sound like!!! remember 32 little pistons on the move!!

iso-1953-bretti-4

The Italian make ISO made a split/single in the fifties called the Isomoto(very similar in design to Puch 125SV) they also made a Isetta  bubblecar useing a 246cc split/single engine .later Iso went on to make high powered V8 engine luxury sports cars in the sixties.

puch-t125-1942-crank

A Puch crankshaft from a 1942 125T A Y shaped conrod but in a fore and aft configuration.also note the rear ie the one to the right small-end has a slight rectangle shape,so the piston can slide back and forth!!!

2 Comments

  1. […] brugte i "the singing saw" The Vintagent: 'ROSIE' THE DKW SS350 Her lidt om forskellene SPLIT/SINGLES and what they are! Bernies Bike Shed __________________ mvh O. Pedersen DMC styrelsesmedlem, […]

    Pingback by Fordele ved motor type. - Side 2 - Motorcykel Forum DK — September 30, 2010 @ 6:57 pm

  2. […] a 350 split single? Correct. The split single was very interesting 2 stroke engine architecture Split single __________________ I race because other sports only require one ball […]

    Pingback by Name the bike. - Page 25 - Speedzilla Motorcycle Message Forums — January 9, 2012 @ 7:41 pm


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