gp viper w/ 60lx -sj50
hey bob, in your opinion what kind of speeds should i expect out of these setups. 15%synth fuel and apc 9-7 props. the weather out here in az is around 97 degrees.thanks, russ
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RE: gp viper w/ 60lx -sj50
hey bob, are you still around?
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RE: gp viper w/ 60lx -sj50
hi russ........
yeah... still lurking about :) SJ-50, regular 9x7, Viper ...... figure around 135-140 range. With the 60LX,maybe another 5 on top of that. Perhaps slightly more with a 8.8x8.5 prop or 8.5x7.5 on the 60LX. Bob |
RE: gp viper w/ 60lx -sj50
thanks bob, w/ the 60lx-gps-133mph.-9-6 apc prop. w/sj50-gps-115mph-9-8 prop. ihe 60 is new. looking for much better #s than i have gotten so far. goi beat by a sd formula w/ a souped up 160fx.(148)
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RE: gp viper w/ 60lx -sj50
eewwwww
SJ50 should have you well up over 120. TT40 (stock)can get a viper up to 115 Try the 9x6 on the SJ-50 ....... get the rpm up a bunch. Bob |
RE: gp viper w/ 60lx -sj50
geting 18000 on the 50, backing off 500 to fly. geting 20300 on the 60 and backing off 400 to fly. all props are apc. using 15%synth fuel. the temps are around 98 degrees.
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RE: gp viper w/ 60lx -sj50
engines are on the money....... you may want to try the D-1 props .... the 8.8x8.5 is a great place to start</p> |
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