UK ROC Starter kit of bits - 50mm/75mm tube with 18mm motors

Stock: 4 item(s)
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UK ROC starter kit (although of course you can buy and enjoy it not as part of the UK ROC competition too!)

This kit focuses primarily on using Klima 50 and 75mm airframe tube. This is a bit stronger than your typical Estes BT tube which is a nice bonus. It also includes a 5x18mm motor mount and we're throwing in 2 of our 18mm motor blanks too so you can fly on 3, 4 or 5 motor clusters with this mount.

Everything you need (bar any accessories / altimeters / motors and the odd thing you may need depending on your design) is included to design and build a suitable rocket for UK ROC 2024. 

Included parts: 
  1x 50mm Klima nose cone in black. 53.3g weight.
  2x 50mm Klima air frame tubes 500mm long each. 43.6g weight.
  1x 75mm Klima air frame tube with 4 laser cut slots for fins 500mm long. 112.3g weight.
  1x 75mm Klima air frame tube with no slots 500mm long. 117.5g weight.
  1x 50mm to 75mm Klima tube transition adapter. (High temperature carbon nylon). 59.9g weight.
  1x 50mm Klima coupler 100mm long. 7.2g weight.
  1x 75mm Klima coupler 120mm long.  24.8g weight.
  1x carbon nylon anchor for 75mm Klima tube with eye bolt. 18.8g weight.
  1x 5x18mm Klima motor mount for 75mm Klima tube. 43.9g weight.
  5m of Kevlar shock cord  7g weight.
  1x bulkhead for 50mm klima tube. 4.2g weight.
  1x Launch lug pack. Weight depends on size choice but won't be a lot. 
  1x Pair of 1010 launch rail buttons and screws. 6.7g (with bolts and nuts worse case weight). 
  1x 12" build your own nylon parachute. 8g weight.
  1x 18" build your own nylon parachute. 18.1g weight.
  1x 24" build your own nylon parachute. 29.1g weight.
  1x 236ml Gorilla wood glue.
  1x 25ml (2x 12.5) Gorilla 5 minute epoxy.
  3x A4 size sheet of 3mm plywood (lightweight type). 115g per sheet.
  2x 18mm motor blanks. Nylon. Can be used to run either 3, 4 or 5 motors in your motor mount. 

We've included 4 sections of air frame, each is 500mm in length, and two couplers (One 75mm and one 50mm). There is a 75mm air frame with 4 slots included ready to mount your fins. You probably won't need to use all of this air frame but it's there if you do at least.

UK ROC 2024 requires you to use two tube sizes. The 75mm lower section and 50mm upper section meet these requirements. We've created a transition adapter for you to use in this kit. It is made from carbon reinforced Nylon with a working temperature up to 184 degrees Celsius. It's really tough and well up to the job. It's probably best to use epoxy (supplied) rather than wood glue to install this on your tubes. 

We've included Klima's 5x 18mm motor cluster mount. It's a well tested and decent motor mount for Klima's 75mm tube. You will be stuck using 18mm motors of course. Although there's nothing to stop you making your own 24mm or 29mm mount in this kit. We are planning to list more kits (which may already be listed) for other motor sizes. Klima do offer D9 motors in 18mm size which offer full 20 Ns impulse. If you want to run on 3, 4 or 5 motors (5x C for example is an option) you can with this mount. We include 2x 18mm motor blanks to block of tubes you're not using. 

We've also created a shock cord anchor to fit 75mm Klima tube that we've included in the kit. It comes with a galvanised steel eye bolt too. You should be fine gluing this in (ideally epoxy) on it's own. But if you want to ensure some extra strength you can always glue a section of the 75mm coupler above it in your rocket too. Like the transition, this is also made from carbon reinforced nylon. 

Our parachutes will typically be build your own from LOC. These will be Nylon which is much tougher wearing for repeated launches than your typical Estes plastic parachute. We only sell what we have in stock and pre-pack the kits ready to go. However, we may make kits with pre-made nylon parachutes if stock runs out. We've included three sizes so you can fine tune your design to hit the targets of the competition. 


We've included an Estes launch lug pack that offers all sorts of options for different rod sizes for your rocket. We've also put in two x 1010 rail buttons. These can be installed to launch on a more rigid launch paid using standard 1010 rail. (6.5mm slot size). If required we can swap this out for Klima buttons but this may delay your order shipping by a day. Please put your request in the order notes if you want this done. The Klima buttons fit a 5mm slot rail, and we also sell the Klima rail on the website if required.


The most sensible route for your payload is probably to create a payload section in the top of the rocket. We've included a bulkhead for 50mm Klima tube. This will allow you with the 50mm coupler to create a payload section for your egg's safe travels. This payload section with the nosecone attached should pop off with the parachute below. Of course there are plenty of other plans for you to think of.


We've put 3x A4 sized sheets of 3mm thick plywood in the pack. This has a poplar core which is nice and light and birch layers on the top and bottom. It's a reasonably tough but light weight plywood. The supplier says it's laser cut-able rated too. Great for centering rings and fins on your rocket. 


Product specifications

Construction skill
Skill 2 Intermediate
Maximum suggested motor
5x D9
Minimum suggested motor
3x B6
Motor mount
5x 18mm cluster
Product options
UKROC - 50/75mm - 5x18mm motor KIT
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Shipping your order.
Once you have paid for your order we will work to dispatch your items.
All items on our website shown as in stock, are in our warehouse ready to ship unless stated otherwise on the product page. 

We aim to ship orders within 1 working day of ordering on your chosen shipping method.
We do not guarantee this however, especially at extremely busy times of the year. Therefore if you do require your order urgently, please drop us a email after you order to let us know.

Please note that you must use a courier option if your order contains rocket motors, you can not use the Royal Mail for orders with motors. The website should automatically disable the Royal Mail shipping option once these items are added to your cart. However in the case of a website mistake you will need to use the courier option. 

Orders will ship on your chosen courier, all UK Mainland couriers we offer are a next day service. The couriers however do not offer us a guarantee on this, so we are unable to pass one along.
Over 95% of our orders do arrive next day as intended. 

If you require Saturday delivery there is a Saturday delivery option on the checkout page. DHL do not offer Saturday delivery by default.
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We offer a variety of delivery options on the checkout page. We also off the option to pickup your order from our warehouse in Millom, Cumbria, LA18 4JS.
You can use the Royal Mail option for smaller items up to 2Kg in weight as long as they do not contain motors.
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We will accept returns on all products for 90 days from the date of delivery.
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Items without rocket motors
Items with rocket motors
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