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DE1642349U - BREAK-PROOF PROPELLER ON THE INCLUDED FLIGHT MODELS. - Google Patents

BREAK-PROOF PROPELLER ON THE INCLUDED FLIGHT MODELS.

Info

Publication number
DE1642349U
DE1642349U DE1952G0004688 DEG0004688U DE1642349U DE 1642349 U DE1642349 U DE 1642349U DE 1952G0004688 DE1952G0004688 DE 1952G0004688 DE G0004688 U DEG0004688 U DE G0004688U DE 1642349 U DE1642349 U DE 1642349U
Authority
DE
Germany
Prior art keywords
break
propeller
flight models
proof
included flight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE1952G0004688
Other languages
German (de)
Inventor
Paul Guenther
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE1952G0004688 priority Critical patent/DE1642349U/en
Publication of DE1642349U publication Critical patent/DE1642349U/en
Expired legal-status Critical Current

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Description

BruchsichereLuftschraubeanfreifliegendenFlugmodellen. B e s c h r e i b u n g: Die bekannten Luftschrauben an freifliegenden Flugmodellen oestehen aus &olz und sind entweder aus dem vollen Block herausgearbeitet, oder die einzelnen Luftschraubenblätter werden in einen entsprechend geschlitzten aabenklotz verleimt.Shatterproof propellers on free-flying models. Description: The well-known propellers on free-flying model aircraft oestare from & olz and are either from the full block worked out, or the individual propeller blades are glued into an appropriately slotted hub block.

Alle diese starren Holzluftschrauben haben jedoch den Nachteil, dass sie im Betrieb sehr leicht zerbrechen,-denn beim freifliegenden Flugmodell ist ein Anprall auf Widerstände fast unvermeidbar.However, all of these rigid wood propellers have the disadvantage that they break very easily during operation, because in the free-flying model there is a Impact with resistance is almost inevitable.

Die Neuerung besteht nun darin, die einzelnen Luftschraubenblätter-a-mittelsHeissvulkanisationineineGumminabe - D - einzubetten.The innovation now consists in the individual propeller blades-a-by means of hot vulcanization in a rubber hub - D - to be embedded.

Die Stabilität der Luftschraube wird durch mehrere, die Blätter verbindende Fäden - c -, welche durch Bohrungen-eim Blattansatz geführt werden, stark erhöht.The stability of the propeller is ensured by several connecting the blades Threads - c -, which are guided through holes in the base of the leaf, greatly increased.

Ohne Schwächung der Nabe können dabei zwei und mehrflügelige Luftschrauben hergestellt werden, welche sich im betrieb als absolut bruchsicher erweisen.Without weakening the hub, two and multi-bladed propellers can be used which prove to be absolutely unbreakable in operation.

Claims (1)

S c h u t z a n s p r u c h : Bruchsichere Luftschraube an freifliegenden Flugmodellen, dadurch gekennzeichnet, dass 1. ) einzelne hölzerne Luftschraubenblätter mittels Heissvulkanisation in eine Gumminabe eingelagert sind, 2.) zwecks besserer Gummi-Holz-Verbindung die einzelnen Jiilattansätze mit Löchern versehen sind, und 3.) samtliche Luftschraubenblätter mittels im öuami ein- gelagerter Fäden verbunden sind.
Protection claim: Unbreakable propeller on free-flying model aircraft, characterized in that 1.) individual wooden propeller blades are embedded in a rubber hub by means of hot vulcanization, 2.) the individual jilatts are provided with holes for the purpose of a better rubber-wood connection, and 3.) all propeller blades by means of the öuami stored threads are connected.
DE1952G0004688 1952-04-05 1952-04-05 BREAK-PROOF PROPELLER ON THE INCLUDED FLIGHT MODELS. Expired DE1642349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1952G0004688 DE1642349U (en) 1952-04-05 1952-04-05 BREAK-PROOF PROPELLER ON THE INCLUDED FLIGHT MODELS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1952G0004688 DE1642349U (en) 1952-04-05 1952-04-05 BREAK-PROOF PROPELLER ON THE INCLUDED FLIGHT MODELS.

Publications (1)

Publication Number Publication Date
DE1642349U true DE1642349U (en) 1952-08-14

Family

ID=30455560

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1952G0004688 Expired DE1642349U (en) 1952-04-05 1952-04-05 BREAK-PROOF PROPELLER ON THE INCLUDED FLIGHT MODELS.

Country Status (1)

Country Link
DE (1) DE1642349U (en)

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