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Post by cjg on Jul 14, 2007 2:14:29 GMT 1
I had one of these in my tool box, it was my last propeller, so decided to try it on my stock SC with 8 cell battery.
It gave pretty good performance after I balanced it. The real nice thing is that I had one of my hardest landings on the nose, a real prop breaker - no damage. It is a lot stiffer than the stock prop. I would recommend it.
When the wind dies again I will test it with my 7 cells. I didn't have them along the other day...
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Post by kyle1745 on Jul 22, 2007 2:44:21 GMT 1
I have heard these are a great replacement for the stock prop. Do they have to be balanced? Where do you recommend getting them from?
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Post by mrmugen on Jul 22, 2007 2:48:05 GMT 1
They do not need balancing. They are very close out of the package. I use them with both my brushless cubs and they are the best so far that I have tested. I have not used them with the stock motor or nimh batteries though. Only lipo and BL.
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Post by kyle1745 on Jul 24, 2007 3:48:53 GMT 1
At the recommendation of my local hobby shop I picked up a APC 10X7 (LP 10070SF) and a E-flite Prop Adapter. I have it on the plane after dremeling off the extra shaft.
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Post by cjg on Jul 26, 2007 23:29:02 GMT 1
I just tried an APC 11x7 electric prop. It really pulls well. However, the extra 1 inch does make landing a bit trickier without nicking the runway. If I didn't have 2.75 inch wheels it would be worse.
On the other and, I had one major nose in with my APC 10x7 and didn't break the prop.
After further testing I really like this 11x7 prop. Lots of power for loops, and doesn't decrease flight times too much. (using 8 cell 1100mah batts)
It has survived several prop strikes without breaking, including a minor nose in. With stock wheels it would however, be too large.
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Post by s3etigohide on Sept 7, 2007 23:19:20 GMT 1
I just tried an APC 11x7 electric prop. It really pulls well. However, the extra 1 inch does make landing a bit trickier without nicking the runway. If I didn't have 2.75 inch wheels it would be worse. On the other and, I had one major nose in with my APC 10x7 and didn't break the prop. After further testing I really like this 11x7 prop. Lots of power for loops, and doesn't decrease flight times too much. (using 8 cell 1100mah batts) It has survived several prop strikes without breaking, including a minor nose in. With stock wheels it would however, be too large. How did you attach the apc? I bought the 11x7 slow flyer prop and the smallest included adapter was 3/16ths. The stock prop shaft is 4mm, correct? |
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Post by bigtone on Sept 8, 2007 0:10:06 GMT 1
To answer you question, you can get a lock washer or just put it on like the stock prop. The stock prop shaft is smaller then the prop adapter hole incerts. You can just tighten the bolt until the back bolt snugs tight enough to keep the prop from slipping. The stock washer will keep it centered.
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Post by s3etigohide on Sept 8, 2007 2:09:44 GMT 1
I've taxied around a bit like that, but I figured the prop would likely be off center and cause a bunch of vibration. However, if it's working for you folks, I'll give it a whirl.
Thanks for the speedy reply!
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Post by s3etigohide on Sept 10, 2007 4:09:19 GMT 1
Update: The 11x7 SF worked well until a bad crash on it's first flight! I bought a 11x7 E and it came with a larger variety of shims...one that's virtually the same as the 4mm shaft.
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Post by cjg on Sept 25, 2007 23:37:10 GMT 1
I have yet to break my 11x7e prop. I have bent it, causing it to vibrate, but a little work and it is back into balance and flying well.
I've done things that would have blown a stock prop apart.
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Post by cubnpede82 on Sept 27, 2007 12:48:37 GMT 1
i am running 7-9 cells on the typhoon BL motor in the stock cub gearbox , just got it up and flying, any advice on the prop that would make the best vertical pull?
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