Maintenance Manual LS4
Issued: May 2011
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
Foam:
PVC foam Divinycell H 60, 8 mm thick, mass 60 kg/m²,
<wing shells> Manufacturer: Diab
PVC foam Divinycell HP 80, 10 mm thick, mass 80 kg/m²,
<spar shearweb > Manufacturer: Diab
PVC foam Divinycell H 80 or HP 80, 6 mm thick, mass 80 kg/m²,
<stabilizer> Manufacturer: Diab
Foam Rohacell 71, 2.5 mm thick, mass 70 kg/m²,
<rudder> Manufacturer Röhm
Corrugated cardboard “E Wellpappe einseitig (370) API 80”, 80g/m²
<ailerons, elevator> Manufacturer Clemens Wellpappe
alternatively for Rohacell 71
PVC-Hartschaum Divinycell H 60, 3 mm stark, mass 60 kg/m³
<rudder> Manufacturer: Diab
alternatively for Divinycell H60
PVC-foam Klegecell TR 75, 6 / 8mm stark, mass 75 kg/m³,
<wing shells, wing spar shear web, stabilizer> Manufacturer: Polimex
Glue for Plexiglas
To attach the canopy:
glue Teroson Macroplast UK 8303B60
hardener Teroson Macroplast UK5400
mixing ratio: 6 : 1 by mass or 4.4 : 1 by volume,
thickened with Aerosil.
To repair cracks in the canopy:
Röhm Acrifix 192 hardening by exposure to light.
Filler
For glueing, the resin-hardener mix should be thickened with chopped cotton
flocks FL l f. (add enough so that the resin no longer flows). The surfaces to
be glued should be wetted with non-thickened resin + hardener beforehand.
To glue foam pieces into place when repairing sandwich sections and to fill
in irregularities and gaps etc. around the repair, Microballoon BJO - 0930
can be used mixed with the resin + hardener. Application and mixing is
identical as for cotton flocks.
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