There is a special offer for them now they soon will be replaced by the 55i-b2

http://www.3w-modellmotoren.com/engl...toren_com.html

From the 3W site:
28i : 28ccm - revision of the 24i engine: lighter and a lot more power / available at the end of feb
55i B2: 55 ccm - revision of the 48 iB2 engine / available at the end of feb
112i B4:112 ccm fourcylinder engine / available at the end of feb
256 Str5: 256 ccm Fünfzylinder Sternmotor

for all of those loving big models with up to 220.04 lbs:
342i B2 Boxermotor mit 342 ccm / 20.86cui
684i B4 Vierzylindermotor mit 684 ccm / 41.72cui

Groeten,
Hans


Hans Meij / Modelvliegen