Following the multiple requests of our customers, we have created a new suspension system for the suspension to the rear/above.
This is made of 4.0 mm GRP (dyed black). The key features are
- two springs guided laterally on CFRP tubes
- an oil cable brake as a damper, which prevents the compressed springs from rebounding quickly. This prevents the model from jumping
- very small height
- very low weight (188 grams)
- Mounting on the rear bulkhead
- adjustable spring preload via a central nut on the oil train brake
- models from 10 kg to 28 kg can be sprung with it. The size is always the same, only the springs and their preload are different
The problems with the rear suspension used to be that when using a single strut, you had a very long and heavy strut. These are expensive to produce and the connection to the model was hardly possible without the customer having to do a lot of work himself. Thanks to this compact suspension unit with a defined size, weight and mounting options, these problems are a thing of the past.
As a customer, you do not have to take any measures of your own for the installation, only the rear bulkhead has to be adapted to the geometry of the suspension unit and the fuselage and resinated. In order to make this step as easy as possible, we have ready-made frame sets in our program. These come with oversize left/right/bottom, so that you only have to mold the actual fuselage geometry and transfer it to the frame.
The geometry of the suspension system also serves to protect the landing gear in shear landings. The undercarriage is thus safely guided at the rear. The undercarriage cannot deviate to the left/right at the rear when a lateral load is applied to the undercarriage. Thus, only one upward movement is possible for compression.
In conjunction with our flange plates, which connect the landing gear to the main bulkhead at the front and which allow a degree of movement of 50 mm on the rear of the landing gear, a great deal of weight is saved. The previously used aluminum blocks, which were previously necessary to move the chassis when springing, have had their day. These weighed more than 100 grams and had to be purchased separately as an accessory (costs up to 39.00 euros).
The new attachment with the flange plates just weighs 11 grams and are part of the standard equipment for all our chassis. This saves you a lot of unnecessary weight and money.
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