Hornby – Digital Accessory and Point Decoder (R8247) OO Gauge

Being able to change points and operate accessories with the minimum of wiring and fuss is one of the main attractions of digital control and the Hornby Accessory and Point Decoder allows the operator to do just that. Wiring points up in the old analogue fashion can be quite a daunting exercise. On some layouts which have numerous points this can mean that there are meters upon meters of cabling plus a whole bank of switches. Hours can be spent carefully wiring up the points only to find that there is a fault or an intermittent connection which means more hours of crawling about on the floor trying to locate the problem.

With the Hornby digital system these horrors can be but a distant memory. The Hornby R8247 Accessory/Point Decoder can be programmed to accommodate four point motors or solenoid operated accessories, plus other electrical accessories that require a constant or delayed current flow, for example a turntable. Connection of the points or accessories to the Hornby Accessory/Point Decoder is straightforward. The four outputs are factory set for the operation of solenoid (point) motors, however, by adjusting the CV settings of each output a graduation of varying ‘bursts’ of current up to a constant current (turntable motor operation, lighting, etc.) can be obtained for each individual output.

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Understanding Scale

The scale of a model is its size as a proportion to the real-life item. For instance, a 1:18 scale model means that every 1 unit of measurement on the model equals 18 units on the real item. If you divide the real item's size by 18, you'd get the size of the 1:18 model. Please note that models can vary slightly in size, as not all real-life items, like cars or planes, have the same dimensions.

Model Cars:

• 1:12 scale: ~38 cm or 15 inches
• 1:18 scale: ~25 cm or 10 inches
• 1:24 scale: ~18 cm or 7 inches
• 1:43 scale: ~10 cm or 4 inches
• 1:64 scale: ~7 cm or 2.75 inches
• 1:76 scale: ~6 cm or 2.3 inches

Model Trucks:

• 1:12 scale: ~75 cm or 29.5 inches
• 1:18 scale: ~50 cm or 19.7 inches
• 1:24 scale: ~38 cm or 15 inches
• 1:43 scale: ~21 cm or 8.3 inches
• 1:64 scale: ~14 cm or 5.5 inches
• 1:76 scale: ~12 cm or 4.7 inches

Model Bikes:

• 1:6 scale: ~30 cm or 12 inches
• 1:10 scale: ~18 cm or 7 inches
• 1:12 scale: ~15 cm or 6 inches

Model Trains:

• HO scale (1:87): ~22 cm or 8.7 inches
• N scale (1:160): ~12 cm or 4.7 inches
• O scale (1:48): ~38 cm or 15 inches

Model Airplanes:

Fighter Jets:

• 1:72 scale: ~20 cm or 7.9 inches
• 1:100 scale: ~14 cm or 5.5 inches
• 1:144 scale: ~10 cm or 3.9 inches
• 1:200 scale: ~7 cm or 2.8 inches

Civilian Aircraft:

• 1:72 scale: ~40 cm or 15.7 inches
• 1:100 scale: ~28 cm or 11 inches
• 1:144 scale: ~20 cm or 7.9 inches
• 1:200 scale: ~14 cm or 5.5 inches

Model Ships:

• 1:144 scale: ~150 cm or 59 inches
• 1:350 scale: ~62 cm or 24.4 inches
• 1:700 scale: ~31 cm or 12.2 inches

Model Tanks:

• 1:16 scale: ~97 cm or 38.2 inches
• 1:35 scale: ~44 cm or 17.3 inches
• 1:72 scale: ~22 cm or 8.7 inches

Delivery:

• Orders placed before 14:00 (Monday-Friday) are dispatched the same day. After 14:00, they're dispatched the next working day.
• Delays may occur during high order volume. Any significant delays will be communicated via email.
• We ship globally, with specific rates for different zones:
• UK: Standard - £3.50 (Free over £75), Express - £4.99.
• Europe: Starting at £14.99.
• North America: Starting at £17.99.
• Other zones vary. Surcharges apply for international rates depending on item size/weight. Shipping calculator available in cart for accurate rates.
• Delivery confirmation and tracking number provided post-dispatch.

Returns & Refunds:

• 30-day return policy. Items must be unused, in original packaging.
• No returns on hazardous or flammable items.
• Start returns by emailing support@model-universe.com. Do not return to the manufacturer.
• Returns address: Model Universe, 3 Hagley Court North, The Waterfront, Dudley, West Midlands, DY5 1XF, UK.
• Refund processing times vary; contact us if delays occur. Sale items may have different refund terms.

For detailed info on shipping zones, lost/damaged shipments, duties, and our full return policy, click here.