SportboatPlaningSportboat

Thompson T 8

Lightning Yachts · Steve Thompson · 1999

Updated

Measured under the previous VPP (2021–2024)

The Thompson T 8 is a 8.42 m planing racing yacht designed by Steve Thompson and built by Lightning Yachts, first launched in 1999. It races in Sportboat.

Thompson T 8 - Steve Thompson - Lightning YachtsP 10.73 mLOA 8.42 m

Length

8.42 m

27′ 7″

Beam

2.53 m

Draft

2.15 m

Displacement

0.8 t

Sail area

41 m²

No boat of this design has been measured under the current VPP. The figures below come from measurement records issued between 2021 and 2024, on the earlier scale, so this design carries no Race Edge.

On the podium

Where a Thompson T 8 finishes when she goes racing.

Not enough data yet to show how this design finishes. It has not been found in the race results we have collected so far.

Recent regattas

The latest events where a Thompson T 8 was on the start line, named as the organisers publish them.

No regattas found yet.

Raced one we are missing?

Report a regatta

Round the buoys, or offshore

A short windward-leeward and a night at sea ask different things of a boat. Here is how this one does in each.

Round the buoys

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Not enough data yet: no races of 10 NM or less carry a published distance.

Offshore & coastal

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Not enough data yet: no races over 10 NM carry a published distance.

Who she races against

The designs a Thompson T 8 actually lines up with, most often first. The bar shows how those meetings ended.

Not enough data yet to say who this design races against. No result we have collected puts it on the water beside another design we track.

Speed at every angle

The shape of this design's speed, drawn from the measured fleet. Pick a wind and watch it stretch.

369121530°60°90°120°150°WIND17.2

Upwind VMG

5.33

37°

Beam reach

11.29

90°

Broad reach

15.41

135°

Downwind VMG

15.23

170°

Speed in knots at 20 knots of true wind. Green marks the angles that pay: the closest useful beat and the deepest run worth sailing.

How fast is a Thompson T 8

Boat speed in knots, by true wind angle and wind strength.

Angle6 kn10 kn14 kn20 kn
Beat VMG4.775.215.365.33
52°6.717.327.647.83
60°6.937.698.128.47
75°7.148.319.009.77
90°7.088.749.8811.29
110°7.338.5910.3513.71
120°7.399.0510.5014.45
135°6.969.4211.6215.41
150°6.128.1811.0517.21
Run VMG5.307.089.5715.23

How they are set up

The range each sail spans across the fleet.

Mainsail27 m²
Headsail13 m² – 15 m²
Gennaker82 m² – 86 m²

Most run a fixed propeller. A bowsprit is standard across the fleet. Crew weight is declared around 470 kg.

Rigging

Thompson T 8 rig and sail dimensions

A Thompson T 8 carries 10.73 m of mainsail hoist on a 3.62 m boom, a forestay 10.21 m above the deck and a 5.69 m bowsprit. Typical figures across the 2 boats measured under the current VPP, with the range each one spans.

Rig

Mainsail hoistP10.73 m10.67 – 10.80
Boom lengthE3.62 m3.60 – 3.63
Forestay heightIG10.21 m10.21 – 10.21
Fore triangle baseJ3.01 m3.00 – 3.02
Spinnaker hoistISP11.78 m11.78 – 11.78
BowspritTPS5.69 m5.69 – 5.69
Boom above deckBAS1.01 m1.01 – 1.01

Sails

Mainsail27.1 m²27.0 – 27.1
Headsail13.7 m²12.7 – 14.7
Gennaker84.4 m²82.4 – 86.4