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The Cog MTL RTA by Matt from Suck My Mod and Wotofo is a single coil RTA designed for flavour chasers. The Cog RTA has a unique airflow controlled by a cog system, which is visible through the base of the RTA. The direct under coil airflow control provides a restricted mouth to lung hit full of flavour. With the Cog MTL RTA you can enjoy your nicotine salts all day long with the generous 3ml tank capacity. Check out the Wotofo website for more information.
Specs and Features
- 22mm Diameter
- 3ml Tank Capacity, convenient top filling design
- Simple Single Coil Build Deck
- Adjustable Bottom Airflow with Five Level of Adjustment
- Knurled Airflow Ring
- Delrin Drip Tip
- 510 Drip Tip Compatible
- 304 Stainless Steel and PCTG
- Gold Plated 510 Contact
- Dimensions 34mm by 22mm
What's in the box
- One Wotofo COG RTA
- Two Cotton Strips
- One Dual Core Fused Clapton Coil 0.8 ohms
- One Single Strand Coil 1.2 ohms
- One Cross Head Screwdriver
- User Manual
- Spare O-Rings
The Cog MTL RTA is available in the usual colours available from Wotofo, including gold and rainbow. The tank is constructed from stainless steel and a PCTG plastic. In an effort to avoid cracked and broken tanks the Cog has a plastic tank, this makes it lighter without making it look cheap. The Cog has a few interesting design features which make it unique compared to other RTA’s.
The inner cogs that control the airflow can be seen in through the clear plastic on the base of the deck. You can only see the cogs when you don’t have the RTA attached to a mod which renders it almost pointless as a design feature. It would have worked better had the cogs been visible while the tank was one your mod. It still looks cool, but really doesn’t serve any purpose other than being the namesake of the Cog.
Building on the Cog RTA is extremely simple, with only a single coil and top facing phillips head screws with a spring loaded clamp system. The coil sits directly above the airflow, with ample room for the included dual core fused clapton coil. The Cog has an overall diameter of 22mm, the deck is only slightly larger than the Aegis Boost RBA I recently reviewed. Despite the small size, installing coils and wicking the Cog RTA was pretty straight forward.
Wicking channels are fairly generous, you don’t need a lot of cotton in this RTA. The Cog RTA fits 2mm diameter coils the best. You may need to trim down the agleted cotton slightly to ensure optimal wicking. Providing you aren’t filling the wicking channels too tightly, it’s hard to go wrong building on the Cog RTA.
The airflow is unique on the Cog MTL RTA, some won’t appreciate the direct to coil airflow control. The Cog isn’t a cloud chasing RTA, it’s built for flavour. There are five levels of airflow airflow adjustment, which is easily adjusted by turning the base of the RTA. You can feel the cogs inside clicking into place. The design does a pretty good job of directing that airflow exactly where it should be.
The Cog is less restrictive than I was expecting for a MTL RTA, but for me it’s the perfect level for enjoying nic salts. With the included dual core fused clapton coil I”m enjoying my nicotine salts at 20W with the airflow half way. For me this is a good balance of flavour and nicotine. This RTA really isn’t for showing off your clouds, it’s all about the flavour.
In the flavour department, the Wotofo COG MTL RTA is a cut above the rest. I don’t often review or use MTL RTA’s, preferring to use MTL RDA’s. But, one of the things I don’t enjoy is dripping on with a MTL RDA. The Cog RTA is able to compete with the flavour from some of my favourite MTL setups such as the Vapefly Holic, and Wotofo STNG.
While I believe the Cog RTA performs well with nic salts I was also pleased to find that there wasn’t any lack of flavour with my freebase juice. The restricted airflow and compact chamber compresses the vapour, while the under coil airflow delivers dense clouds full of flavour. For a mostly sub ohm vaper, you’ll get a similar flavour experience, or maybe even better than your mesh coils.
The Cog RTA may not be built for cloud chasing, but that’s not to say that it isn’t capable of putting out some thick MTL clouds. I used the included dual core fused clapton coil with both my nic salts and freebase juice in the Cog. At lower wattages you get some good flavour but light clouds. Boosting the Cof RTA up to 40W with the included clapton coil you can get some nice thick clouds with your freebase juice.
The restricted airflow of the Cog RTA isn’t going to produce massive clouds. Although, you could experiment with various clapton builds. There isn’t a lot of space for larger coils, and the restricted airflow could be an issue if you prefer more clouds but a cooler vape. At 40-50W the clouds are more intense, but you will find the vapour is much warmer.
Cog MTL RTA from Wotofo and Suck My Mod
Product Name: Cog RTA
Product Description: The Cog MTL RTA by Matt from Such My Mod and Wotofo is a single coil RTA designed for flavour chasers. The Cog RTA has a unique airflow controlled by a cog system, which is visible through the base of the RTA. The direct under coil airflow control provides a restricted mouth to lung hit full of flavour. With the Cog MTL RTA you can enjoy your nicotine salts all day long with the generous 3ml tank capacity.
Flavour - 95
Clouds - 75
Design - 70
Quality - 80
I have to say the Cog is definitely my favourite MTL RTA. Flavour is excellent with all of my familiar juices. I don’t find the airflow too restrictive for my tastes, and the five levels of adjustment allow you to adjust to your desired level of flavour and throat hit. I do wish the design had included a full see through base so you should see the inner cogs while using the RTA.
It’s a nice looking RTA, the PCTG tank doesn’t look cheap or disposable. The Cog RTA has the same high quality that is expected from the Wotofo brand. This collaboration project with SMM may be one of the most underrated product releases this year. The delays from Covid means there’s more great products coming from Wotofo very soon. The juice getting into the cogs is a little concerning as if it is not properly cleaned this may cause bacteria to grow over time, however I seem to be the only person who has noticed this issue.
- The Cog RTA is a real flavour banger, it delivers a restrictive MTL hit full of flavour.
- Building is very simple and straightforward, even for beginners.
- The Cog RTA is great for flavour chasers, it’s great with nic salts and freebase juices.
- Five levels of airflow adjustment allow you to tailor the airflow to your needs whether you’re looking for some more intense clouds or a more restrictive throat hit.
- The tank of the Cog is made from a PCTG plastic, which means it can handle being dropped and broken tanks shouldn’t be an issue.
- An advantage of the plastic tank is that it makes the Cog small and light, perfect for using with compact mods or hybrid pod mods.
- While the see through bottom and the cogs are pretty cool, it’s a little gimmicky especially when you only see the cogs when the RTA isn’t attached to a mod.
- The top cap is very thin so there isn’t a lot of space to grab onto to unscrew it from the tank. A small grove or knurling would make it a little easier, but it doesn’t affect the overall function of the RTA.
- After a couple of weeks of use I’ve noticed some juice residue inside the cog compartment. I’ve only noticed this when removing the RTA from my mod. I haven’t seen anyone else mention this issue so it may be a defect with this particular unit. Unfortunately there is no way to take the RTA apart to properly clean this so it may over time become a problem. The best solution I found was to clean with an ultrasonic cleaner and allow to air dry in sunlight.