7/27/2019 1938 - 2277

1/1

AUGUST I I , 1938. FLIGHT. " 3

T I P S Y T W O - S E A T E R6 2 h . p . W a l t e r M i k r o n I I .

Span 31ft . 2in.Length 22ft .All-up we ight "... ... 1,074 1b.W e i g h t e m p t y 6 1 8 1 b .Max imum speed 110 m.p .h .Cruising speed (2,600 r.p;m.) 100 m.p .h.Stall ing speed 37 m.p .h.Rate o f c l imb 650f t . /min .Range at cruising speed (12-gall. tank ) 350 milesPr ice 675Makers : T ipsy Ai rcraf t Co . L td . , London Ai r Park , Hanw orth , Mddx .Dis t r ibu t o rs : (Sou th ) Br ian Al len Av ia t ion L td . , Croydon Ai rpo r t .(North ) Wards Ai rcraf t , L iverpoo l Ai rpo r t .Equ ipme n t o f the T ipsy and i t s Wa l ter M ik ron eng ine inc ludes in s t ru men ts by Smi ths , Sc in t i l l a magnetos , K.L .G. p lugs , Dun lop wheels andtv res , t ank s by R . Malco lm, L td . , and m eta l f i t t ings by R . Malco lm, L td . ,a n d E . D . A b b o t t , L t d .

w a y , e v e n d u r i n g t h e take-off, w h e n a s l i g h t s w i n g m u s tb e c o r r e c t e d , a n d i s p r o b a b l y a g o o d t h i n g f r o m t h en o v i c e' s p o i n t o f v i e w . W h a t r u d d e r m o v e m e n t t h e r e isis l i gh t an d v i r i l e .E a r l i e r , w h i l e s p e a k i n g o f t h e e l e v a t o r l i m i t a t i o n , Im e n t i o n e d o n e o f t h e r e a s o n s f o r t h i s a s b e i n g c o n c e r n e dw i t h t h e p r e v e n t i o n of a r e a l l y v i o l e n t s t a l l . H e r e , t o o ,t h e s m a l l a r e a of t h e f l a p s i s a n i m p o r t a n t p o i n t . T h o u g ht he a r r i va l of t h e s t a l l w i t h t h e f l aps e i t h e r up o r do wn i sAnother Navigational Extension

T j ^ L S E W HE R E i n t h i s i s sue , i n an a r t i c l e desc r i b i ng t he new- *- ' nav i ga t i on schoo l a t S h or eha m, i t i s men t i oned t h a tAir Service Tra inin g wi l l a l so be ass i s t in g Man ston in thi swor k. R ece n t l y A .S .T . pur cha sed t wo Avr o 652s t he c i v i lp r o t o t ype o f t he Anson f r om I mper i a l A i r ways and conve r t edthem for use as f lying c lassroom s. Ea ch wi l l be flown by anex-ai rl ine pi lot wi th a radio ope rato r , an d wi l l car ry a nav igat ion i ns t r uc t o r and h i s s t ud en t s . Add i t i ona l l y , t he mach i neswi l l be used by those c ivi l ians taking the Long Commercia lCourse a t the School .T w o n e w i n s tr u c t o r s h a v e b e e n e n g a g e d a t A n s t y F / O .A. J . S . Morr i s , wh o i s tak ing Vice Cdr . Coo per ' s p lace as chiefg r ound i ns t r uc t o r , and F / O . J . H . H . Hil l .A New Company

1QE C E NT L Y r eg i s t e r ed unde r t he t i t l e o f W hi t e A l l om Ai r -* craf t , L td . , a new com pany i s a subsid iary of W hi teAl lom, Ltd. , a wel l -known f i rm of decorators and furnishers ,wi th off ices a t 15, S t . G eorge S t ree t , Han ove r S qua re ,L o n do n , W . i .One of the di rec tors of the la t te r , Cap t . S . Spr eat , wasassocia ted dur in g th e war wi th M r. M. H. Volk (now ofI ' r ighton- Hov e-Sho reham Airp or t fame) in the bui lding of f lying boa ts . Mr . Volk has been invi te d to joi n, t he boa rd of thenew com pany a s t echn i ca l d i r ec t o r i n an adv i so r y cap ac i t y .There i s a large and wel l -equ ipped fac tory, a nd M r. Volk s ta te st ha t t hey a r e now r eady t o cons i de r av i a t i on p r opos i t i ons r e -l u i r i ng deve l opment .

v e r y p r o l o n g e d , i t i s , w h e n i t d o e s a r r i v e , q u i t e s u c t d e uI t i s d i f f icu l t a l wa ys , du r i n g s l ow f ly ing ex pe r i m en t s , t o beq u i t e s u r e t h a t t h e r u d d e r i s c e n t r a l , b u t it s e e m e d t h a tt h e T i p s y t e n d e d t o d r o p i t s r i g h t w i n g r a t h e r t h a ni t s l e f t. T h e n o s e , t o o , d r o p p e d fa i r ly q u i c k l y , t h o u g ha t a s a f e a l t i t u de i t is d i f f icu l t t o j ud ge t he a m ou nt o fh e i g h t w h i c h i s l o s t d u r i n g t h i s f i n a l s p a s m o f t h e s t a l l .P r o b a b l y v e r y l i t t l e , a n d c o n t r o l is , i n a n y c a s e , r e g a i n e di m m e d i a t e l y . N e v e r t h e l e s s , t h i s c h a r a c t e r i s t i c p r o v i d e st h e o n l y p o s s i b l e s o u r c e o f d a n g e r w i t h t h e m a c h i n e f o rt h e e a r l y s o l o i s t . I t m a y b e i m p o s s i b l e t o i m a g i n e a n y o n es t r e t c h i n g a g l i d e t o t h e p o i n t o f r e d u c i n g t h e a i r s p e e dt o 3 5 m . p . h . o r le s s , b u t s u c h th i n g s h a v e b e e n k n o w n .U p t o t h e v e r y p o i n t o f t h e s t a l l t h e r e is a m p l e c o n t r o li n a l l a x e s , a n d t h e a i r f l o w s i l e n c e , c o u p l e d w i t h a s o m e w h a t l u m p y t i c k - o v e r o f t h e e n g i n e , w o u l d t e l l a n y o n eb u t a c o m p l e t e m o r o n t h a t t h e e n d w a s n e a r .T h i s n u m b e r o n e p r o d u c t i o n m a c h i n e h a s p a r a c h u t e -t y p e s e a t s , a n d fo r t h a t r e a s o n I w a s w e a r i n g a p a r a c h u t e . U p h o l s t e r y , a s s u c h , w a s n o n - e x i s t e n t , a n d as o m e w h a t s o l id p a c k i s n o t a l w a y s t h e m o s t c o m f o r t a b l eo f c u s h i o n s . P r e s u m a b l y t h e m a c h i n e w il l b e p r o d u c e dw i t h t h e n o r m a l t y p e o f s e a t w i t h a b a c k r e s t w h i c h p r o v i d e s r a t h e r m o r e n a t u r a l s u p p o r t . A s i t w a s , a c o u p l e

o f h o u r s o f c o n t i n u o u s f l y in g w a s q u i t e a s m u c h a s o n ec o u l d c o m f o r t a b l y e n d u r e .C o n t r a r y t o p r e v i o u s e x p e r i e n c e w i t h t h e k i n d o f i n s t r u m e n t s w h i c h a r e fi tte d t o l i t tl e a e r o p l a n e s , t h o s e i n t h eT i p s y w o r k e d w e l l . T h e v e r t i c a h r e a d i n g d a s h b o a r d - f i t te dc o m p a s s of C z e c h o s l o v a k i a n d e s i gn p r o d u c e d r e s u l t s , b u tt h e m a j o r i t y o f p i l o t s in t h i s c o u n t r y p r e f e r t h e v e r g e - r i n gp a t t e r n , a n d p r o d u c t i o n m a c h i n e s w i ll h a v e t h e m o r en o r m a l c o m p a s s m o u n t e d ju s t b e l o w t h e b o a r d . T h e p l a c ei n t h i s b o a r d a t p r e s e n t t a k e n b y t h e c o m p a s s w i l l , w h e nne ces sa r y , be use d f o r t h e f i tt ing o f a t u r n - i nd i ca t o r wh i chn o w f o r m s a n e s s e n t i a l i t e m o f e q u i p m e n t f or m o d e r nf l y i ng t r a i n i ng .A l t h o u g h t h e c o m p a n y is n o t , a p p a r e n t l y , p a r t i c u l a r l yp l ea sed w i t h t he f in ish of t h i s fi rs t m ac h i n e , an d say t h a tl a t e r m o d e l s w i l l b e m u c h b e t t e r i n t h i s r e s p e c t , t h i s w a s ,e v e n s o , a g r e a t d e a l b e t t e r t h a n t h a t n o r m a l l y f o u n d o nl i gh t ae r op l an es . T h i s fi ni sh is ob t a i n ed by us i ng a s e r i e so f c o a t s , w i t h a r u b - d o w n b e t w e e n e a c h , a n d a f in al s u r f a c e of l a c q u e r , b u t i t i s a l s o h e l p e d c o n s i d e r a b l y b y t h ew a y i n w h i c h t h e f a b r i c i s p u t o n .T h e s t r u c t u r e i s q u i t e s t r a i g h t f o r w a r d , w i t h a p a r t i c u l a r l y r o b u s t b o x - t y p e m a i n s p a r a n d p l y l e a d i n g e d g e ,a n d w i t h a c o n v e n t i o n a l b o x f u s e l a g e , t h e t o p s h a p e o fw h i c h is o b t a i n e d b y m e a n s of h a l f - h o o p s a n d s t r i n g e r so n w h i c h t h e f a b r i c i s l a i d . T h e u n d e r c a r r i a g e c o n s i s t s o ft w o c a n t i l e v e r l e g s , w i t h s i x i n c h e s o f m o v e m e n t , w h i c ha r e f i r m l y a t t a c h e d t o t h e m a i n s p a r . H . A . T .

Wattington's Aeronautical LibraryA LIST of some hundreds of avia t ion books which are avai l able to res idents in the Wal l ington dis t r ic t has been i ssuedby the Wal l ing ton publ ic l ibra ry. I t includes a very comprehensive l i s t of pract ical and technical works which would be olgreat use to ground engineers and s tudents and of interes t toa m a t e u r s .Aero-Engine LubricationAN informat ive l i t t l e book has jus t been publ i shed for thosewho are interes ted ( in a not too technical way) in theproblems which beset the des igner of a modern aero engine.I t s t i t l e i s Aero Engines and Their Lubrication, and i t dealsi n an admi r ab l e manner w i t h t he h i s t o r y o f t he ae r o eng i nef rom the ear l ies t day s to the la tes t types now in use . I t showsthe reader the var ious problems that have ar i sen as the ef f ic i

ency of engines has increased . The termin olog y is s imple ,bu t , t o ensur e t ha t t he r eade r may f u ll y u nde r s t and , a g l os sa r yof terms i s included.T he au t ho r goes on t o exp l a i n t he i mpo r t an t p a r t p l ayedby correc t lubr icat ion in the di f ferent type s of engin edeveloped, and c loses wi th a chapter on engine cont rol and af inal word on opera t ional cos ts . Th ou gh ou t , the book i s welli l lus t ra ted and includes a coloured t r i l ingual lubr icat ion char tfor the Rol l s -Royce Kest re l engine. Aero Engines and TheirLubrication i s ob ta ina ble f rom th e publ i she rs , C. C. W akef ie ldand C o . , L t d . , W akef ie l d Hou se , C heaps i de , L ond on , E .C .2 ,pr ice 2s .