German Webra 1.5 cc Diesel (Record)

Webra Motor RECORD

Technical data:

Model Webra RECORD Manufacturer Webra-Fein-Modelltechnik, Berlin, Germany Distributed Webra-Fein-Modelltechnik, Berlin, Germany Series / Serial No. 20664 Year of manufacture 1956 Displacement 1.53 cc (0.096 cu. In.) Diameter 13 mm. (0.519 in.) Career 11.5 mm. (0.453 in.) Power class Diesel Time 2 Type of carburetor Fixed (no speed control) Admission Front rotary valve (crankshaft) Inner bearing Not Outdoor Bearing Not Crankshaft to crankcase If Crankshaft on bronze Not Fuel Ether / Petroleum / Oil Condition needs rebuild Comments Motor manufactured by Webra for many years, extremely simple, but handy when flying. No bearings, with steel casing and radial transfers, along with cast iron piston. The models have been undergoing gradual changes over its manufactured life

Content below by Peter Valicek 

 Bore 13 mm. Stroke 11.5 mm, Featuring full sub-piston induction, Power 0.133 H.P. at 13,800 R.P.M.

 Below we show 3 versions of the Webra 1.5 cc produced at various times over the years when it was in production.

 Below shown with the original box and factory warranty card

 Also was available with an optional exhaust stack 

 This engine was acquired in bad unrunnable condition: having zero compression, excessive big end play and the spray bar was missing completely.  

 Below are the old and new replacement parts we made for this project. 

 The new piston was made just a little lighter than the original.

 The cylinder proved on inspection to be not too bad and needed only a light honing to give the right surface.

 With all new parts finished, complete with a totally new spray bar we are ready for that all important test run. .

Comments:
Published on 16 Sep 2013 Today I uploaded a rebuild of a small 1,5 Webra diesel.This was a part of a exchange of engines from a friend in Spain. Webra engines were very popular in the 1950-1960. Good quality, great starting and performing engines. Used mostly in the control line planes. It was many hours work to transform it to a performer again, but the results are very nice. The spray bar was later changed with 2 small fuel exit holes and 2 gaskets on the venturi, so now he runs more smoothly at a constant speed. I am sure,the new owner will be happy with it. More engines and projects on my Youtube channel VALIC000......and still a lot will be test run.. I hope you enjoy this little jewel as much as I do.