Quest Q-jet

AeroTech HDK-01 RMS-18/20 Hobby Delay Kit (3-Pack) - 43501

AeroTech HDK-01 RMS-18/20 Hobby Delay Kit (3-Pack) - 43501 - Main image
$9.37 $12.49 In stock

The AeroTech HDK-01 is for use with D24-4T (42404) motors. The motor hobby delay kit comes with 3 rocket delay elements and spacers. Motor delay O-rings, delay insulators and other parts are supplied with the RMS reload kits. Note that Hobby Delay Kits and High Power Delay Kits are not interchangeable.

This AeroTech kit is U.S. mailable with no hazmat fee! The sale of this high power motor to persons under 18 years of age is currently prohibited by federal law. Orders containing this item will not be shipped until proof of age (such as a copy of a driver's license) is received.

Certified by the Tripoli Rocketry Association (TRA), the National Association of Rocketry (NAR) and the Canadian Association of Rocketry (CAR).

  • Specifications:

    Motor Diameter: 0.70 inches (18mm)

    Hardware Required: RMS-18/20

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (5.0 / 5 · 5 reviews)

Owen P. ★★★★★

Swapped the stock delay out for the 4-second element in my D24-4T and the ejection timing was dead on. The little spacers make it easy to seat everything without guessing, and the o-rings and insulators included in the kit saved me a separate order.

Eli ★★★★★

The three delay elements and spacers in this kit fit my D24-4T casings perfectly, no trimming needed. Ejection timing came out consistent across all three flights, which is more than I can say for some bulk packs I've tried. Wish they sold these in a six-pack.

Jason ★★★★★

Flew a D24-4T last weekend and the delay elements burned exactly as they should, with the O-rings seating snugly against the insulator. Three kits in the pack means I've got spares for the next couple launches without reordering.