Uploaded January 2026 | Updated September 2026, 2 weeks ago

---

TECHING DIY Twin-spool Turbofan Engine Kits Assembly DM121 that´s what they call it.

In today's video, we will take a look at how to assembli this model which consists of 300+ parts and also I will try to explain the function of each part and how the jet engine works.

Where to buy it:
Extra 15% promo code: zeto
Engine DM121 you can find here: bit.ly/3L9XDeP
all engines you can find here: bit.ly/4g0YgkB


You can find me on:
Instagram:
instagram.com/zeto.r/?hl=en

tiktok:
tiktok.com/@zeto.r

big thanks to Stirling kit, take look on their instagram:
instagram.com/stirlingkitinfo?igsh=MWJzaGR1aDBkZWpucQ==

———-Video content———————

00:00 - intro and comparison
01:35 - Unboxing
03:16 - Assembling of the base
04:56 - Assembling of the Fan
06:08 - Assembling of the fan case and gear box
07:18 - Assembling of the accessory gear box
09:02 - Assembling of high pressure compressor
13:30 - Assembling of combustion chamber
18:19 - Assembling of High and low pressure turbine
21:49 - assembling of the TURBINE EXHAUST CASE (TEC)
22:27 - installation of the fan and fan case
24:05 - assembly of all sections
25:00 - Assembly of fan case and LPC
19:28 - assembly of intermediate case and explanation of components
21:33 - Assembly of fan case and intermediate case
22:01 - Assembly of gearbox
25:34 - function and a few of my thoughts

#Tech #JetEngine #ModelKit #Engineering #Stirlingkit #DIY #functionalengine #Aviation #Mechanics #scalemodel #stirlingkit #whyweengine