fits make: Johnson. year: 2011.

( Manufacturer Part Number: F4B-11 ), ( Country/region Of Manufacture: United States )
The Johnson F4B F4B-11 Ultra Ballast JP is a high-quality, durable, and reliable RC airplane ballast system designed for the Johnson F4B and F4B-11 models. This ballast system is essential for achieving optimal performance and stability in your RC airplane, allowing it to fly smoothly and accurately, even in windy conditions.
The Johnson F4B F4B-11 Ultra Ballast JP is made of high-density lead, which provides optimal weight distribution and stability. The system comes with two 1.5 lb lead bags, each with a capacity of 0.66 lbs, allowing you to adjust the weight of your RC airplane to suit your flying style and preferences. The bags are easy to install and remove, with a quick-release clip system that ensures a secure and stable connection to your RC airplane.
The Johnson F4B F4B-11 Ultra Ballast JP is designed with safety in mind. The lead bags are encased in a durable, waterproof nylon sleeve, which prevents any lead from coming into contact with the inside of your RC airplane. The system also includes a safety strap, which ensures that the bags stay securely attached to your RC airplane, even in the event of a crash.
The Johnson F4B F4B-11 Ultra Ballast JP is easy to use and maintain. The lead bags are washable, which means that you can clean them after use to prevent any debris from building up. The system is also lightweight, which means that it will not add unnecessary weight to your RC airplane.
In conclusion, the Johnson F4B F4B-11 Ultra Ballast JP is an essential addition to any Johnson F4B or F4B-11 RC airplane. It provides optimal weight distribution and stability, allowing you to fly your RC airplane smoothly and accurately, even in windy conditions. The system is made of high-quality materials, is easy to use and maintain, and is designed with safety in mind. With the Johnson F4B F4B-11 Ultra Ballast JP, you can take your RC airplane flying experience to the next level.
Pros of buying Johnson F4B F4B-11 Ultra Ballast JP:1. Improved Performance: The Ultra Ballast JP provides more weight to the model, which improves its stability and performance in the air, especially during aerobatic maneuvers.
2. Durable Construction: Johnson's products are known for their durability, and the F4B-11 Ultra Ballast JP is no exception. It is made from high-quality materials that can withstand the rigors of frequent use.
3. Easy Installation: The ballast can be easily installed in the model's wings or fuselage, and it does not require any special tools or skills.
4. Lightweight: Despite its weight, the ballast is relatively lightweight, which means it does not add too much extra weight to the model.
Cons of buying Johnson F4B F4B-11 Ultra Ballast JP:1. Cost: The ballast is not cheap, and it may be a significant investment for some hobbyists.
2. Weight Limitations: While the ballast improves performance, it also adds weight to the model, which may affect its speed and maneuverability.
3. Requires Regular Maintenance: Like any other mechanical part, the ballast may require regular maintenance to ensure it continues to function properly.
Ending Conclusion:The Johnson F4B F4B-11 Ultra Ballast JP is a high-quality product that can significantly improve the performance of your RC model plane. If you are serious about aerobatics and want to take your hobby to the next level, then this ballast is worth considering. However, it is an investment, and you should weigh the pros and cons before making a purchase.
Recommendation:If you have the budget and are looking to improve your RC model plane's performance, then the Johnson F4B F4B-11 Ultra Ballast JP is a great option. It is durable, easy to install, and can significantly improve your model's stability and agility. However, make sure to consider the weight limitations and the cost before making a purchase.
Had this pump for a long time and never used it I bought new but got the old one working so had.