The Murphy Builders Site

Hi Ray

I have not repitched the Warp so I'm still using 4700 for takeoff and
about 4800 for climb. A little more would not hurt for heavy takeoffs
from water or hot days but I don't really want to cruise much above 4400
at least until I open up my cooling a bit and get cooler intake air.
Guess I'll have to lose the vacuum pump to make room for that. Haven't
gone above 95*C coolant yet but I like more margin and I'm pretty
conservative.

What rpm are you running?

Ken

ray.mason@dcsol.com wrote:

Hi Ken
Congrats on the floats. What RPM are you using for take off and climb?

Ray

On 6/18/2010 10:11 AM, klehman@albedo.net wrote to rebel-builders:

-> Thank you to all the guys who forwarded their weight figures. It was
-> appreciated.
->
-> Had some fun splash'in about this morning.
->
-> 3.5* throat is looking good so far. (Well after I motor boated around
-> the lake on the step to get used to the nose so high). It breaks the
-> water around 41 knots. Takeoff distance seemed pretty good but I did
-> have at least 5 knots of wind.
->
-> Climb at close to gross was 570 fpm which corrects to about double the
-> minimum required.
->
-> Now we're having fun :)
->
-> Ken
->

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I have a electric prop so can change the pitch. I will take off at 6000RPM and
climb at 5200, cruise around 46-4800. You might find with two big guys in it
and on higher lakes you might not get off at 4800RPM. Did you up your
gross when you went to floats or kept it at 1650lbs?

On 7/3/2010 11:06 AM, klehman@albedo.net wrote to rebel-builders:

-> Hi Ray
->
-> I have not repitched the Warp so I'm still using 4700 for takeoff and
-> about 4800 for climb. A little more would not hurt for heavy takeoffs
-> from water or hot days but I don't really want to cruise much above 4400
-> at least until I open up my cooling a bit and get cooler intake air.
-> Guess I'll have to lose the vacuum pump to make room for that. Haven't
-> gone above 95*C coolant yet but I like more margin and I'm pretty
-> conservative.
->
-> What rpm are you running?
->
-> Ken
->
-> ray.mason@dcsol.com wrote:
-> > Hi Ken
-> > Congrats on the floats. What RPM are you using for take off and climb?
-> >
-> > Ray
-> >
-> > On 6/18/2010 10:11 AM, klehman@albedo.net wrote to rebel-builders:
-> >
-> > -> Thank you to all the guys who forwarded their weight figures. It was
-> > -> appreciated.
-> > ->
-> > -> Had some fun splash'in about this morning.
-> > ->
-> > -> 3.5* throat is looking good so far. (Well after I motor boated around
-> > -> the lake on the step to get used to the nose so high). It breaks the
-> > -> water around 41 knots. Takeoff distance seemed pretty good but I
did
-> > -> have at least 5 knots of wind.
-> > ->
-> > -> Climb at close to gross was 570 fpm which corrects to about double
the
-> > -> minimum required.
-> > ->
-> > -> Now we're having fun :)
-> > ->
-> > -> Ken
-> > ->
->




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