1CGS =FB=VikS Posted January 28, 2013 1CGS Posted January 28, 2013 Maybe anyone seen any detailed information about geometry of Ju87s? Especially that we interested it: - wings dihedral (V); - wing incedance; - wing airfoil type. Also any kind of specs/test reports - especially on aerodynamics are welcome.
1CGS =FB=VikS Posted January 28, 2013 Author 1CGS Posted January 28, 2013 From the Ju 87B-2 Betriebsanleitung June 1940: Ju 87B-2 pt 4.pdf unfortunately it didnt have what we whant (same table in D-1 handbuch).
MiloMorai Posted January 28, 2013 Posted January 28, 2013 Junkers Ju 87 Stuka Goettingen 256 (root) Goettingen 256 (tip)
1CGS LukeFF Posted January 31, 2013 1CGS Posted January 31, 2013 VikS, have you checked http://www.luftfahrt-archiv-hafner.de/ ? They have all sorts of original German aircraft documentation there.
1CGS =FB=VikS Posted February 4, 2013 Author 1CGS Posted February 4, 2013 VikS, have you checked http://www.luftfahrt-archiv-hafner.de/ ? They have all sorts of original German aircraft documentation there. yes, as my questions raised after ive checked all tech docs on Ju87D i was able to gather.
JtD Posted February 4, 2013 Posted February 4, 2013 Construction details about Luftwaffe aircraft is rarely found in Luftwaffe documentation, but rather in manufacturers documentation or test facility reports. As what was not destroyed of German records was captured by Allied forces, Allied archives are more likely to have this information, such as the UK Archives or the Smithonian. However, records stored there are not as quickly available as downloadable handbooks. Based on what I've seen an incidence of 1?
JG52EvilMerlin Posted August 1, 2013 Posted August 1, 2013 Let me go thru my books when I get home. I will scan anything I have that may have the information. I do know that the Stuka D's airfoil from root to tip was the Goettingen 256 airfoil as was already stated, but I don't have any coordinates for it.
=LD=Stache Posted August 11, 2013 Posted August 11, 2013 I found this about the wings from "Legend JU 87 Stuka by Robert Jackson; page 14 "the centersection was at an anhedral angle of 12 degrees from the fuselage while the outer sections had a dihedral of 8 degrees producing the famous 'inverted gull wing' that was the stukas main recognition feature.
=LD=dhyran Posted August 13, 2013 Posted August 13, 2013 (edited) allright, its a göttingen 256 profile without flaps, if you want you can get the flaps section too, just in the mood to calculate a bit, maybe do another run tomorrow to be a bit more precise Cl=0.329 AlCh=14.85 AlCl=-12.35 Clch=1.91 Clhl=-0.80891 Cd=0.010551 @ Chord 40,784% if you need the wing focus points just let me know Edited August 13, 2013 by =LD=dhyran 2
1CGS =FB=VikS Posted August 14, 2013 Author 1CGS Posted August 14, 2013 allright, its a göttingen 256 profile without flaps, if you want you can get the flaps section too, just in the mood to calculate a bit, maybe do another run tomorrow to be a bit more precise Cl=0.329 AlCh=14.85 AlCl=-12.35 Clch=1.91 Clhl=-0.80891 Cd=0.010551 @ Chord 40,784% if you need the wing focus points just let me know its confirmed by shape - that it's NOT Gottingen 256, check it here: http://forum.il2sturmovik.ru/topic/231-vopros-po-samoletu-ju-87d/?p=12917 (its clear - as Gottingen 256 had flat underside, but Ju-87 photos confirm that it's not) PS: ive contacted David Lednicer long ago (the source site about Gottingen 256) about source and his answer was "I found the information in a document, many years ago. I don’t remember what the document was and the information could be wrong."
=LD=dhyran Posted August 14, 2013 Posted August 14, 2013 its confirmed by shape - that it's NOT Gottingen 256, check it here: http://forum.il2sturmovik.ru/topic/231-vopros-po-samoletu-ju-87d/?p=12917 (its clear - as Gottingen 256 had flat underside, but Ju-87 photos confirm that it's not) PS: ive contacted David Lednicer long ago (the source site about Gottingen 256) about source and his answer was "I found the information in a document, many years ago. I don’t remember what the document was and the information could be wrong." good find, i will go into my lib tonight. From the drawings its closer to a clark yh profile
=LD=dhyran Posted August 15, 2013 Posted August 15, 2013 the airfoil dtatabase illinois stated also the goettingen 256 Junkers Ju 287 Ju 0.9 23 10.7-0.825-40 Ju 0.9 23 12.7-0.825-40 Junkers Ju 87 Stuka Goettingen 256 Goettingen 256 Junkers Ju 88 ? 14.9% ? 11.7% strange
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