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  1. Thread: Prop talk

    by david bryan
    Replies
    21
    Views
    12,342

    mine is not to reason why. But is to due or die

    mine is not to reason why. But is to due or die
  2. Thread: Prop talk

    by david bryan
    Replies
    21
    Views
    12,342

    it has ben my experience that a high rake lifts...

    it has ben my experience that a high rake lifts the nose of your boat and low rake lifts the transom
  3. Thread: Prop talk

    by david bryan
    Replies
    21
    Views
    12,342

    57163

    57163
  4. Replies
    112
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    63,413

    just canceled my flight thanks. i am thinking...

    just canceled my flight thanks. i am thinking air boats for next year
  5. Replies
    112
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    63,413

    depue

    is this race still on
  6. Replies
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    8,133

    yes thats Cathy never saw her look better thanks...

    yes thats Cathy never saw her look better thanks for the pictures
  7. Replies
    3
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    3,472

    rpm

    [QUOTE=stupidbaker57;112022]I've seen speedmaster cases with a 16/21 gear set. Does this mean that the engine spins 16 times to the props 21 times or the other way? What RPM do the engines run at...
  8. Replies
    26
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    19,445

    when you shorten the shaft it is no longer the...

    when you shorten the shaft it is no longer the same size look at the pictures
  9. Replies
    26
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    19,445

    Bill Curtis uses a craftsman deep socket and cuts...

    Bill Curtis uses a craftsman deep socket and cuts the square end off Makes both ends six sided
  10. Replies
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    19,445

    choping a tower housing

    if tower has much taper in its length when you take out 3 or4 inches it dose not fit back to gether very good hear is a 15 horse evinrude we did cut it into with a band saw put it in a milling...
  11. Replies
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    23,348

    Sam if you would like to talk to Ralph De Silva...

    Sam if you would like to talk to Ralph De Silva his ph # is 770 943 9494 but he won't answer the phone after 7 pm and he is getting hard of hearing so speak up
  12. Replies
    43
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    23,348

    DESilva

    this De Silva boat is still around the guy wants $ 1000.00 dollars for it
  13. Replies
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    23,348

    i have know en Ralph Silva for over 50 years he...

    i have know en Ralph Silva for over 50 years he will be 90 years old in June of 2011 i am building him some propellers for his speedy twin and pr to run at depue this year Ralph sill building a few...
  14. Replies
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    123,677

    john are going to let the facts get in the way of...

    john are going to let the facts get in the way of a good story
  15. Replies
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    7,032

    i think it must of ben evenrude v 8 with Wart...

    i think it must of ben evenrude v 8 with Wart driving it 180 miles a hour one way but not a merc sorry guys
  16. Replies
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    8,948

    well i wast here that day in parker. it cost...

    well i wast here that day in parker. it cost bob 50 dollars a class to run thru the kelos 13 x 50 =750.00 $. he could of broke more records .they where thubing thru the record s to break some more...
  17. Replies
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    8,948

    I believe the weight is the same as any Stock D...

    I believe the weight is the same as any Stock D Runabout for kilos but no height rules.
  18. Thread: in theory

    by david bryan
    Replies
    11
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    5,337

    does one propeller flex More than the other

    does one propeller flex More than the other
  19. Replies
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    3,318

    can you tell me who won the 1984 stock national...

    can you tell me who won the 1984 stock national at Wakefield
  20. Replies
    16
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    14,358

    0235 would be the stock timing but more is...

    0235 would be the stock timing but more is better i ran my 30 h at 375 thousand be for top dead center
  21. Replies
    34
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    12,178

    Barry do do you have any clue as to how much...

    Barry do do you have any clue as to how much pitch takes to go 35 mph at two hundred rpm per minuet if you get to much pitch you go back wards .diameter dose not move you forward it the pitch
  22. Replies
    34
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    12,178

    two blades are the fastes. Air plain guys say...

    two blades are the fastes. Air plain guys say that two blade are the fastes but the rate of clime is better with 3 blades. so on the race corce the 3 blades and in the kilo runs i go for two...
  23. Replies
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    12,178

    getting back to pitch again i make Small...

    getting back to pitch again i make Small propeller gages and 12 inches of pitch is a 45 degree angle
  24. Replies
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    12,178

    ps never hear of pitch in 16 foot range diameter...

    ps never hear of pitch in 16 foot range diameter yes
  25. Replies
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    12,178

    35 mph

    35 mph
  26. Replies
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    12,178

    what i am trying to prove is that a propeller...

    what i am trying to prove is that a propeller dose not screw it self through the water but is a pump that produces thrust like a jet and i have broken world records and won national championships...
  27. Replies
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    12,178

    Jeff you mist the point you can not get enough...

    Jeff you mist the point you can not get enough pitch to go 30 mph @175 RPM but the queen marry dose luck it up on google
  28. Replies
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    12,178

    its amassing to me how guys get screwed up on...

    its amassing to me how guys get screwed up on propeller slip I2 inches of pitch at 5200 rpm = a mile minuet less slip i think that is no way to describe how a prop works please conceder this....
  29. Replies
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    12,178

    funny transoms are torn out not pushed in

    funny transoms are torn out not pushed in
  30. Replies
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    12,178

    other factors need to be addressed i would not ...

    other factors need to be addressed i would not expect you would have as much force on the transom on 100 pound boat as you would on 1000 pound boat unless you where tied to the dock. But...
  31. Replies
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    5,128

    but sk s run 12 to 18% over drive whith lots of...

    but sk s run 12 to 18% over drive whith lots of hp
  32. Replies
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    5,128

    i would agree

    i would agree
  33. Replies
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    5,128

    ron hill but a thee blade cleaver on a inboard...

    ron hill but a thee blade cleaver on a inboard awhile back with a 36 % over drive they set a record a d lake
  34. Replies
    10
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    5,128

    efficiency of the propeller increases with the...

    efficiency of the propeller increases with the rpm that one reason the unlimited boats turn the prop 10.000 thousand
  35. Replies
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    15,200

    i have only ben around boat racing for 50 years...

    i have only ben around boat racing for 50 years so dont know much about thrust but i do know about rpms and that is a propeler officiates increases with the rpm
  36. Replies
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    7,065

    i am in wa and shipping cost would be out of...

    i am in wa and shipping cost would be out of sight
  37. Replies
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    7,065

    where do you live Ihave a mark 58 a that i would...

    where do you live Ihave a mark 58 a that i would give you
  38. Replies
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    6,407

    stiffing the bottom and make sure no hooks or...

    stiffing the bottom and make sure no hooks or rocker will help
  39. Replies
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    10,399

    Allan send me your phone # Ron and i will come by...

    Allan send me your phone # Ron and i will come by and have lunch its bin to long
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    lip stick. take a tube of lip stick paint the...

    lip stick. take a tube of lip stick paint the face with it make a test run . Then look at the propelers face to see what part of the prop is woking then try to work on the prop to git it to wear of...
  41. Replies
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    21,812

    if you call Ralph De Silva @770/943/9494 and read...

    if you call Ralph De Silva @770/943/9494 and read him that # bcr 12868324 he will tell you about the boat
  42. looks like the guy in the de sivlva is Phil...

    looks like the guy in the de sivlva is Phil Chick* if that helps let me know 75 h
  43. some time at night after a beer or two i dont...

    some time at night after a beer or two i dont read the post as well as i shoud i went to googel one day and looked for De silva boats i have known Bill and RALPH for about 50 yearsand was looking...
  44. well if you cant tell a mark 75 h who could look...

    well if you cant tell a mark 75 h who could look close it has De SILVA decals i do Not known the driver. Old helmet and jaket but a newer DeSILVA plus low transom hight
  45. if you can run 70 miles per hour with a 40 horse...

    if you can run 70 miles per hour with a 40 horse and a club foot on a runabout you dont need our help we need yours but i do like wood boots here is a dandy
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