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RV-4 With Automobile engine ground run up
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interesting, wonder what he has planned for the cowl. I might suggest that next time use a set of chocks and tie the tail down.
bob burns N82RB RV-4 |
At first glance, this looks like a good engine match for the RV4. Hopefully we will hear/see more about this installation. It appears to sit with heads on top, assuming that box on the front is the drive unit. Also, wonder if it retains the factory ECU with all the associated benefits like timing and knock control. So many questions!
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I don't know how this guy expects to complete a test flight if he cant keep his emotions in any better check than what he did during that ground run....:rolleyes::rolleyes:
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I can picture it now. That is going to be one ugly cowl! Maybe it was the camera angle but the prop/ ground clearance looks close.
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Even when the tail began to get light, I saw neutral elevator at best. |
made me nervous
A little up elevator would make me feel better.
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I didn't use the factory ECU as it requires a code to operate from the body control computer. Custom tuning with the Microsquirt better matches the aircraft reqirements also. My cowl is complete - will show it in a later post. It appears smewhat ungainly.
Took six months to fabricate from scratch s-glass over a wood and plaster buck. Yes - the box up front is the PSRU - cog belt driven. |
photo of cowl
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