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Just for further info, I had seen that thread before which is very interesting. Vari-Prop uses their own blade retention mechanism (not the weird compression, whatever-it-is system the ground adjustable hub from Props Inc uses). There are 3-4 lag bolts going directly into the blade body which are epoxied in. The lag bolts fix a metal retaining ring around the base of the blade, which I believe is also epoxied.
I don't have a good picture of that, but I can get one if anyone is interested. There are some folks successfully flying with these (and apparently lots of airboats), but certainly not as many as the mainstream brands. |
Testing, testing...
I have seen two in current operation installed on local airboats, both with composite blades per the website. Both had no apparent issues...
Smokey http://www.variprop.com/ FYI, The hub/blade system VariProp uses and the ill fated Props Inc system previously mentioned are two completely different animals. |
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MT
MT uses a wood core in their composite blades as well. I saw a cut-away of a MT blade once, and it was quite interesting.
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Prop me up...
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Having been down the prop trail nine times and seen the current available options out there my choices for Ground adjustable based on inputs from friends flying them FYI: 1. Whirlwind GA (all composite blades) 2. Sensenich GA (all composite blades) My favorites I flew many hours, owned and tested. 1. Catto 2 Blade wood/composite with nickel leading edges. www.cattoprops.com 2. MT Fixed Pitch wood/composite http://www.mt-propellerusa.com/en/mtusa/products.htm 3. Gary Hertzler wood/composite hertzler@yahoo.com V/R Smokey |
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What are any of you doing with Vari-Prop? Is anyone actually flying one successfully? Capt Jim |
The variprop.com URL is for sale on GoDaddy. I don't expect to see much customer support.
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