Which Direction Should the Fins Go on CRP and Parma Nerf Wings?
The RC Deep Dive24 Nov 2025

Which Direction Should the Fins Go on CRP and Parma Nerf Wings?

There has been a long debate in the radio control hobbyist community about which direction the fins go on the CRP and Parma Nerf Wing. We dig into the aerodynamics, geometry, material science, and physics and explain why there is only one correct way that makes sense for your need wings and while the other way can actually hurt your ORV Chassis radio controlled car, truck, or buggy on this episode of the RC Deep Dive podcast.

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Episoder(514)

The Popularity Pendulum: On-Road vs. Off-Road R/C Model Vehicles

The Popularity Pendulum: On-Road vs. Off-Road R/C Model Vehicles

In the 1970s on-road radio-controlled model vehicles were king, but as the 70s came to and end and the 80s came upon us, the off-road R/C cars, trucks, buggies, vans, jeeps, and busses ruled the radio...

22 Aug 5min

Grasshopper vs. Hornet: Which Body is More Aerodynamic?

Grasshopper vs. Hornet: Which Body is More Aerodynamic?

If all things are the same in the chassis, gearbox, wheels, and tires, which Lexan polycarbonate body shell is aerodynamically superior, the Tamiya Hornet or the Grasshopper body shell by Parma PSE? I...

21 Aug 6min

Aluminum Rear Trailing Arms for the ORV Chassis R/C Model Vehicles

Aluminum Rear Trailing Arms for the ORV Chassis R/C Model Vehicles

Should you upgrade your stock plastic rear trailing arms on your Tamiya ORV (Off-Road Vehicle) chassis R/C model vehicle? The answer depends on how your drive your Lancia 037 Rally car, Subaru BRAT, F...

20 Aug 15min

The Definitive Guide to the Tamiya Blackfoot Family of R/C Monster Trucks

The Definitive Guide to the Tamiya Blackfoot Family of R/C Monster Trucks

Both the vintage and rere (re-release) Blackfoot is one of the most iconic R/C monster trucks that Tamiya every made, but it spawned a family including the Super Blackfoot, King Blackfoot, Blackfoot X...

19 Aug 17min

Why are 2WD R/C Model Vehicles Usually RWD and Not FWD?

Why are 2WD R/C Model Vehicles Usually RWD and Not FWD?

Most full-size 2WD (Two Wheel Drive) cars that you set on the streets today are FWD (Front Wheel Drive), yet most 2WD R/C cars, trucks, buggies, keys, and vans are RWD (Rear Wheel Drive). In this epis...

18 Aug 6min

What Android and iOS R/C Apps are Available for your Phone?

What Android and iOS R/C Apps are Available for your Phone?

There are a lot of R/C apps out there fire both Android and iOS powered phones. However a lot of them aren't any good for enthusiasts if vintage and rere Tamiya radio-controlled model vehicles. Why? I...

17 Aug 4min

Monster Mania: Tamiya's Monster Trucks, Cars, Buggies, Vans, Jeeps, and Bus!

Monster Mania: Tamiya's Monster Trucks, Cars, Buggies, Vans, Jeeps, and Bus!

Tamiya's venturing into monster trucks, cars, buggies, jeeps, vans, buses, etc. Started much earlier than most people think. In this episode of the RC Deep Dive podcast we catalogue all of Tamiya's ra...

16 Aug 15min

What are the Best and Most Affordable Respirators for R/C Enthusiasts?

What are the Best and Most Affordable Respirators for R/C Enthusiasts?

Even if you set up perfect air filtration, ventilation. and circulation and have a quality issue of safety glasses, you are still going to need a good respirator for many activities like painting, dye...

15 Aug 7min

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