Technical training
Blade Repair Standard / V5 23022026
Practise the ability to calculate the correct amount of gelcoat required for a given area and layer thickness, and to calculate, accurately measure and mix the required quantity of each component given the mixing ratio of the gelcoat
Practise the ability to measure and cut fibreglass mats to the correct dimensions required, and to mark the roll zero direction on the cut mats
Practise the ability to lay up the fibreglass mats on the gelcoat in the correct order and orientation referenced to zero direction with straight fibres and, where applicable, the correct overlaps between the layers Practise the ability to lay up the fibreglass mats on the gelcoat in the correct order and orientation referenced to zero direction with straight fibres and where applicable the correct overlaps between the layers
Practise the ability to accurately cut and shape the required core material for the sandwich panel in accordance with a blade drawing
Practise the ability to correctly calculate the total amount of matrix material required for the sandwich panel from the weight of the reinforcement material
Practise the ability to correctly calculate, measure and mix the required quantities of each component of the matrix material
Practise the ability to apply the matrix material to the glass fibre mats within the pot life and gel time of the matrix
Practise the ability to select and use the correct tools to wet out all the fibres in each layer of fibreglass while keeping the fibres in each layer straight
Practise the ability to apply vacuum consumables to the mould in the correct order with the correct placement of a thermocouple, and the ability to apply, measure and record the vacuum levels required and achieved Practise the ability to adjust the temperature of a heating blanket according to the readings from the thermocouple to the correct curing temperature for the matrix material used, and to control and record the curing temperature throughout the entire curing process
Practise the ability to record the ambient temperature and humidity throughout the entire process of building and curing a sandwich panel
After the curing time, practise the ability to safely remove and dispose of the vacuum consumables except for the peel ply and measure the hardness using a Barcol and/or a shore D hardness tester
Global Wind Organisation / www.globalwindsafety.org
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