Thank you for choosing the ALPINA 2501 ELEKTRO high performance electric glider. We wish you much success and enjoyment with your new model. Your TANGENT model kit from the home of GRAUPNER represents a mature design and the product of many years experience in the manufacturing of high performance model aircraft.
Note that once installed, the front compression strut will restrict access to the fuselage opening, so you may wish to Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
1 -2 layers of fibre-glass cloth treated with a suitable resin to ensure a strong bond with the inside of the canopy. Again, be sure to Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
Note: The joiner tubes installed in the tail-plane halves incorporate the integrated All Moving Tail-Lock mechanism. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
Customers building the ARF version will need to carefully remove a little of the covering material around the fixing point. Fig 6 & 7. Rudder Control Horn Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
Mark the position carefully with a pencil. Now remove the two protective strips from the inside of the fuselage opening and tack the servo frame in place using an instant Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
Balsa pieces as guides, and tape it firmly in place. Now mark the position of the holes for incidence pins on the wing root by working through Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
The servos themselves are simply bonded to the inside of the servo cover scoop using suitably thickened epoxy and screwed onto the plywood frames (see also the Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
Don’t pull on the leads! ARF customers should now move to installation of the radio control equipment while those building the ARC version should now begin the finishing stage. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
Do so carefully, removing only the minimum amount of material necessary to install and operate the servos. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
The following recommended control throws have been determined following several test flights, confirmed by several different model pilots. We strongly recommend that you begin with the recommended throws and only change them with experience. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
The slightest deviation in manufacture or construction can lead to minor variations in flying characteristics and control responses. Test flying is the means to optimise the centre of gravity and generally fine-tuning the control response. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
• system and maintain it responsibly. Always give due consideration to other model flyers, provide ample air-space • and observe the local system of channel allocation. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
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If in doubt – please ask. If you are unsure about any aspect of flying your model safely, please seek the advice of an experienced aero-modeller or contact your dealer. Graupner GmbH & Co. KG * Henriettenstraße 94-96 * D- 73230 Kirchheim/Teck * www.graupner.de...
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