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Conference vmszoo::rc

Title:Welcome To The Radio Control Conference
Notice:dir's in 11, who's who in 4, sales in 6, auctions 19
Moderator:VMSSG::FRIEDRICHS
Created:Tue Jan 13 1987
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1706
Total number of notes:27193

1069.0. "Balancing folding props" by VARESE::SIEGMANN () Wed Aug 02 1989 11:27

    I have looked for some info herein on the subject of propellers:
    * Balancing
    * Single blade folding
    
    I presently balance using a steel rod through the prop, riding
    on two razor blades (levelled..). This seems to be better but I
    am not sure I am getting as good as I can. Any info (I know there
    are tools to do this, but not on this (Italy) country fror less than
    ~$75.
    
    I have seen several folding half props on combustion engines around
    the 1.5 - 2cc size but unable to locate vendor. The ones I have seen
    are all custom made.
    
    Application is in motorized slope glider,700sqin, <50 oz. and would like
    to get optimized perf with a given size engine. Running a OS 10FSR with
    a 7x3.5 (more or less..).
    
    Any thoughts appreciated, Ciao Ed
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1069.1K & W EnterprisesROCK::MINERElectric = No more glow-glopWed Aug 02 1989 11:5128
    Well, I don't know of any single bladed folding props, but I know of
    a company that sells 2 bladed folding props for gas engines:

        K & W Enterprises
        7824 Lexington Ave, 
        Philadelpha, PA  19152  (U.S.A.)

    Note that they also sell folding props "for electrics ONLY" and
    you'll need to specify that you want the (heavier duty) prop for a
    gas engine.

    I don't have their price list handy (it's at home), but I would
    guess a 7x4 folding prop would cost about $18.00.  ($10.00 for the
    hub and $4.00 each for the replaceable blades.)

    They do NOT take phone, credit card, or C.O.D. orders.  You MUST
    send in your check with your order through the mail.

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