jonnycowboy
Member
Hi all,
I've been researching building a Wainfan Facetmobile copy - NASA PAV version with the flat foam/honeycomb panels. In order to reduce costs, I have been looking at facing blue DOW foam with fiberglass (hand-laid).
However the research I've done identified two new products that could be interesting for use, namely construction-grade fiberglass-faced 1/2 foam panels. The two I've found so far are:
Links:
As I said I want to build a Facetmobile with foam-core or honeycomb construction as detailed in Wainfan's PAV report. I think using these panels, doubled-up (epoxy them together as a 1" nominal thickness) as the structural walls, along with a single-layer outer skin (top & bottom) could be a lot cheaper than using the aircraft grade sheets of honeycomb found at TEKLAM (~600-1000$/sheet).
Poly-iso foam in particular cannot be hot-wired, which is a disadvantage but it can be routed (which I would do with a CNC panel router for this project).
Any comments on these boards? Good idea or bad? I'd use a build-up at the intersecting joints with foam and fiberglass in a L-flange shape.
thanks
Jonathan
I've been researching building a Wainfan Facetmobile copy - NASA PAV version with the flat foam/honeycomb panels. In order to reduce costs, I have been looking at facing blue DOW foam with fiberglass (hand-laid).
However the research I've done identified two new products that could be interesting for use, namely construction-grade fiberglass-faced 1/2 foam panels. The two I've found so far are:
- IKO IKOTherm Covershield: 1/2" poly-iso foam faced on both sides with fiberglass, 90 psi compressive strength.
- Firestone ISOGARD HD: 1/2" poly-iso foam faced on only one side with fiberglass, 120 psi compressive strength.
Links:
As I said I want to build a Facetmobile with foam-core or honeycomb construction as detailed in Wainfan's PAV report. I think using these panels, doubled-up (epoxy them together as a 1" nominal thickness) as the structural walls, along with a single-layer outer skin (top & bottom) could be a lot cheaper than using the aircraft grade sheets of honeycomb found at TEKLAM (~600-1000$/sheet).
Poly-iso foam in particular cannot be hot-wired, which is a disadvantage but it can be routed (which I would do with a CNC panel router for this project).
Any comments on these boards? Good idea or bad? I'd use a build-up at the intersecting joints with foam and fiberglass in a L-flange shape.
thanks
Jonathan