DeltaQuad Evo: Composites and the Payload Trade-off

A mixed-material airframe with configuration-specific limits

DeltaQuad’s Evo GOV documentation lists fibreglass, carbon, Kevlar and composite in its airframe-material field. It gives 4.8 kg empty weight and 6.8 kg empty weight including one battery. Payload capacity is listed as 3 kg with one battery and 1 kg with two. The published 255-minute maximum flight-time entry belongs to the dual-battery specification section.[S1]

UXV Searcher calculation: preserve the battery configuration

The two published empty-weight entries differ by 2.0 kg: 6.8 minus 4.8. This is a configuration difference derived from the table, not an independently weighed battery or structural component. The listed payload capacities also differ by 2 kg. These numbers should remain attached to their configuration labels instead of being combined into a maximum-payload, maximum-endurance claim.[S1]

What this means for composites market analysis

The material list supports a mixed-material airframe classification. It does not allocate the 4.8 kg empty weight among structural materials, electronics, propulsion and other installed items. Even the lighter of the two weight entries is therefore not a composite-mass measurement. Removing a battery from a vehicle-weight reference does not automatically isolate the airframe structure.

For a supplier or buyer, configuration matching is the commercially useful insight. A payload integrator needs to know which energy configuration accompanies the capacity being evaluated. A structural-material supplier needs a component-specific bill of materials. Those questions are related through the same aircraft, but they require different evidence and should not share one generic “weight” field.

The mixed reinforcement description can guide supplier discovery, but it does not prove that every airframe component contains each listed material. A careful opportunity map would attach materials to specific parts as evidence becomes available, retaining the broad airframe statement until the manufacturer discloses a finer allocation.[S1]

How to use the specification responsibly

Preserve the GOV model, battery count and payload condition when comparing capabilities or researching a procurement. The performance table also includes operating assumptions, so its maximum flight time is not a universal mission result. No composite percentage, annual material requirement or measured endurance at the maximum single-battery payload is calculated. The original contribution is a configuration-aware reading that prevents attractive but incompatible specification maxima from entering a market or sales claim.[S1]