Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
E3977 Digital Servo
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Why choose E3977 Digital Servo through RC-MODEL?
E3977 Digital Servo is an RC product from JR Propo. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
Fit and use
E3977 Digital Servo fits customers looking for JR Propo items in Standard Servos, with RC-MODEL support for choosing the right configuration.
- Relevant category: Standard Servos
- Product identification for inquiry: model T0074534 / SKU T0074534
Key details
- Motor Type: coreless Spline size M5-T21
- Gears Material: B/plastic, C/Metal, D/Met, E/Metal. F/Metal.
- Categories: Servos > Digital
- Product Type: Servos Digital
- Weight: 0.72oz / 20.5g
- Dimensions: 0.31 x 0.93 x 0.87 in / 12 x 23 x 22mm
Before ordering
- Confirm dimensions, power system, radio compatibility or material size before purchase.
- Ask us to match required accessories, adhesives, hardware, batteries or replacement parts.
- RC-MODEL helps with fit checks, availability, compatible accessories and a formal quote in Israel.
E3977 Digital Servo
E3977 Digital Servo is presented as an information-rich standard RC servo from JR Propo for RC-MODEL customers who want clear product data, official imagery, and practical comparison details without storefront pricing.
Key Specifications
- Dimensions: 0.31 x 0.93 x 0.87 in / 12 x 23 x 22mm
- Weight: 0.72oz / 20.5g
- Stall Torque (oz-in): [email protected]/ [email protected]/ [email protected]
- Stall Torque (kg-cm): [email protected]/ [email protected]/ [email protected]
- Speed (sec/60deg): [email protected]/ [email protected]/ [email protected]
- Motor Type: coreless Spline size M5-T21
- Gears Material: B/plastic, C/Metal, D/Met, E/Metal. F/Metal.
- Categories: Servos > Digital
- Product Type: Servos Digital
Recommended Use
This catalog page is written for pilots, builders, racers, and RC hobby users comparing standard servos products. It highlights the manufacturer, model identity, application, and measurable details that matter when choosing compatible RC equipment.
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| Technical Specifications | |
| Categories | Servos > Digital |
| Product Type | Servos Digital |
| Weight | 0.72oz / 20.5g |
| Dimensions | 0.31 x 0.93 x 0.87 in / 12 x 23 x 22mm |
| Motor Type | coreless Spline size M5-T21 |
| Stall Torque (oz-in) | [email protected]/ [email protected]/ [email protected] |
| Stall Torque (kg-cm) | [email protected]/ [email protected]/ [email protected] |
| Speed (sec/60deg) | [email protected]/ [email protected]/ [email protected] |
| Gears Material | B/plastic, C/Metal, D/Met, E/Metal. F/Metal. |
Tags: JR Propo, E3977 Digital Servo, Servos, Standard Servos