Design > Stunt design

XF-91 Wing

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George Fruhling:
The Republic XF-91 Had swept wings that flared out with the cord widest at the tip. I wonder how that would work with a C/L stunt plane with straight wing.

Dave Hull:
You might not like it in gusty or turbulent conditions

Air Ministry .:
Our REJECT peacemaker , The Aeromudler one , had too quick cut rejects . SOMETIMES . Dont think we were sucked in more than once ! .

However , with a no nitrate Yin Yan  , if you whipped it  hugely for five laps , clibing in the last two , then dived -
You Might get a loop. If you kept whipping !
If you didnt you didnt .

The Field was three football fields , with 80 foot 45 degree banks , between levels . ( all remodelled now  >:( )
A outside loop from level , it'd PULL Somewhat . Unexpectedly . On a good day you might get it back up to ' ground level ' again .
At least once or twice I DID .

SO , Dont use a Yin Yan ! other than that , im not sure Its entirely Relevant ,  HOWEVER . Some current dwelling on WINGS might help .



The old YARDSTICK undercarrage mounts . A PINE Stick across , to ' catch the loads ' .

You might figure the Center of Area , on a side . And run a fancy Caron Backed or somesuch , cross spar . Anchored securely in the fuselage .

This'd sort of ' get ' the thing evenerish stressed - and you can put the wings on the other way round , if it dosnt work backward !  S?P  LL~

ACTUALLY , This could look darned good .



Hunt Thunderchiefish or that blokes MURAT ish , if you went sorta scale . STYLE .


https://outerzone.co.uk/plan_details.asp?ID=6183

George Fruhling:
You lost me there, Air Ministry.  Anyway, I was thinking of a straight, not swept wing design.  You a big Devo fan. "Whip it, whip it good!"   ;D

Air Ministry .:
Yin Yans and solid foam wing ' flite steaks ' ( peacemaker ) have a performance that may not be described as invigorateing .

The FOAM WINGS they cut TOO QUICK sagged ( the cutting wire ) in the middle . So gave the effect you mentioned . Amougst others .  n~


IF you had a say 1 1/2 x 3/8 STRONG ' stick , going across say 30 inches or three feet , with slip on wings . Ply Ribs at root and spar end - or a box spar sliding over the ' stick ' ,

You could have slide on detachable wings , and then , if the thick tips  roll it 90 degrees when you hit your slipstream , offsett . You can put em on normal , later .
After youve explored all the avenues of performance . IGNORE the Foam Peacemaker , Wasnt a ' Comp. ship . We built better before we met that lot !

Youll never know till you try it . A X in -planform - winged thing , closed across'd have very wide chord way out . !

Was a British ' Martin Baker maybe , Design sketch of something akin to youre idea . NOT THIS .


maybe in here or there . w t h .  >:(




coulda beena Saunders Roe rocket plane - Think it was never built - theyed draw myrid concepts for evaluation . AS Control Lines TEATHERED , you can try stuff inapropriate to free flight !

Wake in the middle should be less than conventional ships , maybe giving it sharp precise controls .  ;D

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